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PictoBlox: Learn coding and program robots online

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PictoBlox is a coding platform to learn AI, robotics, Python, game development, and STEM education online.

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Hi guys, welcome to this notes section. Well, we won't talk about Mother Tongue, since there are more than 1 languages, but we will do English, Math and Science. You may head over to these based on the specific subjects:

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is anyone still alive in 2025 to earn robux? 

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is anyone still alive in 2025 to earn robux? 

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reply or else no robux. respond for robux

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REMEMINDER(  IMPORTANT )FORMULA OF AREA OFTRIANGLE 

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REMEMINDER(  IMPORTANT )FORMULA OF AREA OFTRIANGLE 

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1/2XBASEXHEIGHT

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Guys I found a new phrase for english compo if we can use for high score :0

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Guys I found a new phrase for english compo if we can use for high score :0

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"Even when you think you have everything covered and protected all it takes is one person slipping up for everything to fall in the wrong hands and come crumbling down."

to describe something where one thing goes wrong, everything will go wrong.

"backends secured"

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Apart from means something additional, or something separate from the main point and Except means that it implies an exclusion or something that does not belong in a group.

An example for Apart from:

Jennie washed the dishes. Jennie also taken out the trash. How do you change this?

1) Add Apart from at the front.

2) There must only be 1 sentence. If there are 2 sentences, remove the full stop in the middle and change it to a comma (,)

3) The must only be 1 Jennie in the entire sentence. Remove 1 Jennie from the sentence. If Apart from is at the front, remove the first Jennie.

4) Your answer should be:

Apart from washing the dishes, Jennie also taken out the trash.

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Ye uh

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Synthesis involves combining multiple pieces of information, ideas, or perspectives to form a coherent whole. In language, this might mean combining several sentences or clauses to create a more complex or integrated statement. When using "apart from" or "except," synthesis can be applied to bring together contrasting elements or exclusions in a way that makes the overall meaning clearer or more insightful.

Transformation is the process of changing a structure or form, often for stylistic or grammatical purposes. In the context of "apart from" or "except," transformation involves rephrasing or reorganizing a sentence to convey the same idea differently. For example, changing a sentence with "except" into one using "apart from," or vice versa, while maintaining the original meaning, is an example of transformation.

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Menticulous: Very careful and precise

Crease: a line or ridge produced on paper or cloth by folding, pressing, or crushing

Advocate: Someone who promotes or fights for a cause

Snickered: scornful laugh

unbidden: arising without conscious effort

abruptly: suddenly and unexpectedly

deflated: having suddenly lost confidence or optimism

Slink off: walk away from somewhere quietly so that you are not noticed

Embodies: be an expression of/be an expression of an idea, quality, or feeling

Nonetheless: in spite of that

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For the first one, whichever you close circuit first will have electricity current going through it. For the second one, electricity current will cross through the circuit

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Nothing special, just that it is a bit more harder than usual. Let's give out some steps that you might need to do while solving this topic.

1) You need to understand the problem. This makes you have more knowledge on what that question is asking for, and you won't make careless mistakes.

2) If the denominators of a fraction is not the same, then you need to change it. Like for example:

Add up 2/5 and 3/7

Technically you can't solve it right now, unless you change the denominator. The common number of 5 and 7 is 35. So the denominator should be 35. That doesn't mean the numeral shouldn't change. Of course it should change. 2/5 = 14/35 while 3/7 = 15/35. You should know how to solve the rest then.

3) If the question asks for adding, then just add. This goes the same for subtraction.

I don't need to give an example question, right? Tell me in the comments if you want one.

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Aight, this might be tough for most of yall, but let's go through.

Currently you guys should know that algebra has some random letters like a, b, c etc. These actually represent a specific number.

How do you solve it:

It's simple. Firstly, you need to identify the variables (a, b, x etc). Then understand the relationship between each of the variables. Then you need to simplify the expressions, lastly, if there is an unknown variable, solve it first.

Let's give an example of an algebra question.

The perimeter P of a rectangle is given by the formula:

P = 2L + 2W

where L is the length and W is the width. If the perimeter of the rectangle is 24 cm and the width is 5 cm, find the length.

Simple right? Nope. Firstly, you need to identify the variables.

P: Perimeter = 24 cm

W: Width = 5 cm

L: Length = Unknown (?)

Now you need to substitue the variable, meaning that you make it a simpler version of it. The brackets shown will show that you would want to multiply it first.

24 = 2L + 2(5)

Now you have to simplify it. There is a brackets in the highlighted part above That number has to multiply the other number shown. Which makes that number 10.

24 = 2L + 10

Now you got 2 numbers: 24 and 10. So you isolate (leave it at the back) the 2L and place the biggest number at the front and the smallest number at the middle, which is 24 then 10.

24 - 10 = 2L

Lastly, now you know 2L is 24 - 10, which is 14, and 2 lengths right? They want one, so:

14 / 2 = 7

The final answer should be 7. Long work right? Give ur suggestions or mistake in the comments or in the Algebra collum for this subject.

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You would have prob seen that picture above before, even in Primary 1. This is Visual Text Comprehension. Reminder that there are only MCQ questions. You may highlight important information that may help you in the upcoming MCQ questions.

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In this note, you will learn a few things:

1) Counting and Place Values

2) OOO (Order Of Operations)

3) Basic Operations

4) Word Problems.

1) Counting and Place Values

So this is basically the same as every single whole numbers in every single level, like you just have to count up to 1 million, that's all.

2) OOO (Order of Operations)

Alright, as you know, we done this since P4. But I'll give in a bit more details on what you should do. Firstly, Brackets comes in first. If you see something like this: (54 x 5) Only do the inside of the brackets. So 54 x 5 = 220. Secondly, multiplication (x) and division (/) comes in next. So for multiplication, you saw that example above, but for division, it's next. So if this kind of operation appears: 65 + 24 / 2 then you do 24 / 2 first, which is 12, then after that you add 65 to that number.

Lastly, addition (+) and subtraction (-) comes in last. I mean after you do the multiplication, division and brackets, you just gotta add or subtract them. That's all.

3) Basic Operation

Nothing special, you did this since P4. Quick details, it's just a 3 digit number adding up a 3 digit number, or a 2 digit number multiplying a 2 digit number.

4) Word Problems

I mean, you should know it by now. A word problem is a question like: James had 254 coins. He gave away 50 coins away. How many coins did he have left. So it's just 254 - 50 coins, since he gave them away. The answer is actually just 204. You'll get the hang of it if you continue practicing.

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Notes:

The ovaries will develop into a fruit after pollination.

Anthers are the male sex cells of the plant. If they were removed, there is still the stigma and the ovaries present, so they are able to still reproduce.

The few parts of a plant is the anthers, stigma, petals, style, ovaries, ovules.

No more lmao

10

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Common question for reproduction in plants

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Common question for reproduction in plants

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To ensure that the experiment is reliable. (Do not change the word "reliable" to other words such as, "correct" or "fair", they will be considered wrong.)

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2nd topic (WA1 test)

There are 2 known sex cells, known as the male and the female sex cells.

Do note, the male sex cells is the sperm and the female sex cells is known as the egg.

The way of the fertilisation of the egg is here: Many male sex cells will be deposited though the woman's vagina (womb). The sperms will travel through the fallopian tube. After that, after millions of failures of the sperms, at least 1 will penetrate through the egg. The nucleus of the egg and the sperm will fuse together and the egg will finally undergo cell division.

Female sex cells will undergo cell division, and then it will develop into an infant.

The sperms will pass down the characteristics to the young. Reason for this being that the nucleus from the male and female sex cells contains genetic information from both parents that is passed onto the young.

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Why must there be millions of male sex cells when only 1 male sex cell is required to fertillise the female sex cells?

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Why must there be millions of male sex cells when only 1 male sex cell is required to fertillise the female sex cells?

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It is to increase the chances of the egg to develop into an infant.

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How is the male sex cells adapted to travel to the female sex cells?

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How is the male sex cells adapted to travel to the female sex cells?

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It has a tail to swim towards the female sex cells.

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Take note of the following:

When water is heated to 100C, it will form hot water vapor.

Ice will change to liquid, known as melting. Liquid will change to gas, known as evaporation. The gas is formally known as the water vapor.

Same goes for the opposite, water vapor will condensate into water droplets, then the water droplets will freeze into ice.

Exposed surface area will increase the amount of water being evaporated.

Experiments with water and the exposed surface area MUST be conducted in the same place. If not, the experiment is not fair.

There is something known as the water cycle. Water will firstly be from the sea or the ocean. After that, the water will evaporate into water vapor, and it will reach the skies. Followed by that, the water vapor will condensate at the skies to form clouds. When the clouds get thicker and thicker, it will form rain. The rain will then go back to the rivers or the seas. This is repeated.

The max boiling point is 100C. The heat of water will not reach at least more than 100C.

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Correction *By Aliza*(6th point, 4th Sentence) *Corrected*

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Correction *By Aliza*(6th point, 4th Sentence) *Corrected*

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6th Point: 4th Sentence:

Followed by that, the water vapour cools down and condenses in the sky to form clouds

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Why is rainwater not salty even though they came from salty seawater?

Ans: Only water evaporates from the seawater.

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Respiratory system is a new subject to yall guys, cuz it was made just after WA. So here are some notes:

Inhaled air has more oxygen, it has lesser carbon dioxide, contains lesser water vapor and contains lesser heat.

Exhaled air is the complete opposite, it has lesser oxygen, it has more carbon dioxide, contains more water vapor and has more heat.

Lungs has a special thing to do: To remove carbon dioxide from the body.

On the lungs, there are air sacs to allow oxygen to be taken into the red blood cells and carbon dioxide to be removed out of the blood at a faster rate.

It is important to have large number of air sacs in the lungs because they will increase the surface area for exchanges of gases to take place more efficiently.

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In this topic, you will learn about the basic concept of electricity, including what it is and how it works. This usually involves understanding that electricity is a form of energy resulting from the flow of electric charge through a conductor.

The syllabus often includes learning about basic components such as batteries, bulbs, switches, and wires. Students understand how these components are connected to form a circuit.

You are introduced to creating simple circuits and understanding the flow of electricity through them. They may build series and parallel circuits to observe how electricity flows.

The differences between conductors (materials that allow electricity to flow through them) and insulators (materials that prevent electricity from flowing) are explored.

Emphasis is placed on the importance of electrical safety, including understanding the potential hazards of electricity and practicing safe handling procedures.

The syllabus may include discussions on how electricity is used in everyday life, such as powering household appliances and lighting.

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Notes:

Numbers are up to 1 million ( 1000000)

When doing questions like this: 6 x 4 + 6 / 4, please take note that brackets () is first. Do the calculations in the brackets first. After that, times (x) or divide (/) is the 2nd to do. For example: 6 x 5 + 1, you need to do 6 x 5 before adding the number 1 to the 6 x 5. Lastly addition and subtraction is last. Like the previous example, after multipling 6 by 5, you need to add the number 1. So firstly, 6 x 5 = 30. Then 30 + 1 = 31. So the answer is 31.

Whenever they give this kind of question: 9100 / ____ = 130, you need to do this: Big number divide the small number. Doing so will give you the answer. If you want to check, you need to do the answer x small number. If it is 9100, the answer is correct.

If they give this kind of question: 52 hundred thousands + 72 thousands + 32 hundreds = ?, you need to do this: 52 hundred thousands = 520 000. 72 thousands = 72 000. 32 hundreds = 3200. Add them up: 520 000 + 72 000 + 3200 = 595 200. And that is the answer.

If they give you an question like this: James was supposed to multiply a (4 digit number) by a 1 digit number. For the 1 digit number, she placed the answer incorrectly as 2 instead of 5, and got the answer 2568. What is the correct number?. To solve this, you need to use the ( incorrect answer / 2 ) *If the bolded word is divide, then you need to do ( incorrect answer x 2 ). After that, you will have another answer. Place that and multiply by 5. That is the answer.

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West Coast Ferry Road, West Coast Park, Singapore

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Notes: (x) Multiply

Fractions is like for eg: 7/8.

Fractions can be multiplied and divided. For eg: 8/10 x 6/8. You multiply the numerator x numerator and denominator x denominator. Yould receive 48/80. If the question asked to divide the fraction more, you just need to do this: 48/80 is the same as 12/20. 12/20 is the same as 6/10. 6/10 is the same as 3/5. And 3/5 is the answer.

When they give these types of questions: 2 4/5 x 3 5/6, you need to change the mixed number into an improper fraction. Like this: 2 4/5 = 14/5, and 3 5/6 = 23/6. After that, you need to times (x) them together. Like this: 14/5 x 23/6. You need to multiply numerator (x) numerator and denominator (x) denominator. you would get 322/30. By transforming the fraction to a mixed number, be sure to do 322 ÷ 30, which the mixed number will be the quotient (the whole number). So 322 ÷ 30 is 10. and the remainder is 22. So the mixed number should be 10 22/30. Simplifying is the part where you need to be careful. 10 22/30 is the same as 10 11/15. *Take note that you do NOT divide the mixed number as well for fractions. So the answer is 10 11/15.

When converting fraction to time, for example: 1 4/5 min = ___ s. Of course, there is a mixed number, 1. The 1 is 60 seconds. the 4/5 gets tricky. you need to do 4/5 x 60 (the seconds). You should end up getting 48 seconds. Then 60 seconds (From the 1 minute) and add it with 48 (the seconds from the 4/5) would be 108 seconds. Congrats we got the answer yay!

When answering questions like: 5/6 - 4/7. We need to change the denominator to the same denominator for each fraction. Like this: 5/6 = 35/42. 4/7 = 24/42. Then subtract the numerator, like this: 35 - 24 = 11. And 11 with the common denominator, 42 is added back. 11/42. Completed!

When answering questions like: Find the decimal form of 1/9 and round the decimal to 2 decimal places, it is difficult when first seen, but I will tell you that will suddenly make it easier! So 1/9 to change to decimal is 1 ÷ 9. Of course, 1 ÷ 9 is definitely a very long decimal, but hear me out. 1 ÷ 9 is 0.1111111...; so you take the first 3 digits (0.11) and round it to the 2nd decimal place. So rounding is 0.12. And that is your answer.

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Marina Gardens Drive, Gardens by the Bay, Singapore

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Notes:

When answering area of triangles question, you just need to know this formula: L x B x 1/2. So if the length of a triangle is 7 and the breadth is 4, the formula is 7 x 4 x 1/2. Which it is 28 / 2 = 14. (Picture sent for explanation.)

Take note that for every area of triangle questions, the answer must be in cubic centimeters/meters.

(Section AOT pic 2) When finding the shaded area of the triangle, you do NOT use the whole length. Only the length inside the shaded triangle can be the length.

Areas of triangles can only be found when the line meets each other (forming a right angle).

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Marina Gardens Drive, Gardens by the Bay, Singapore

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Marina Gardens Drive, Gardens by the Bay, Singapore

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Marina Gardens Drive, Gardens by the Bay, Singapore

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Marina Gardens Drive, Gardens by the Bay, Singapore

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To find A, you must first find B

B=> 4cm X 5cm X 1/2 = 10cm²

A=> 14cm + 4cm = 18cm²

18cm X 5cm X 1/2 = 45cm²

45cm² - 10cm² = 35cm²

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Jurong East Street 12, Jurong East MRT Station (NS1/EW24), Singapore

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Notes:

When questions asks for this ratio to be simplified: 60:24. You divide it like every other kind until it can no longer be divided. So 60:24 is similar to 20:8. 20:8 is similar to 5:2. So 5:2 is your answer.

Take note, when a question asks for 7:5, it is allowed to actually go past the number. The fraction of 7:5 is actually 7/5. But do NOT switch the number 5 and 7 together or it will be considered wrong.

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Ans = 70 Sheeps

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Notes: () = Can be replaced.

When doing volume, take note that answer must be ___ cm/m3.

To find out the volume, you need to do this formula: Length x Breadth x height. Take note you can do anyhow like height x length x breadth and they will give the same answer.

If a question was to ask something like this: The volume is 959 cm3. The height is 7 cm3. Find the base area. To solve this, you need to use 959 cm3 ÷ 7 which is 137 cm3.

When a questions asks you this: A box measured 54 cm by 24 cm by 28 cm. (Kelly) placed 6 cm cubes into the box. Find the amount of cubes able to be placed in that box.

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Length X Breadth X Height

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Decimals are a way of expressing fractions in a base-10 system. They represent parts of a whole and are written with a decimal point separating the integer part from the fractional part.

The decimal point is the dot that separates the whole number from the fractional part. For example, in the decimal 12.45, the decimal point separates the 12 (the whole number) from 45 (the fractional part).

Each digit in a decimal number has a place value based on its position relative to the decimal point. For instance, in 0.678, the 6 is in the tenths place, the 7 is in the hundredths place, and the 8 is in the thousandths place.

These are decimals that come to an end after a finite number of digits. For example, 0.75 and 2.5 are terminating decimals.

These decimals have a repeating pattern of digits. For instance, 0.333... (where the 3 repeats indefinitely) is a repeating decimal, often written as 0.3.

Decimals can be added, subtracted, multiplied, and divided just like whole numbers, but you need to line up the decimal points for addition and subtraction. For multiplication, you count the total number of decimal places in both factors to determine the decimal places in the product.

Decimals can be compared by looking at their place values from left to right. The larger digit in the highest place value determines the larger decimal.

Decimals can be rounded to a specified number of decimal places. For instance, rounding 3.14159 to two decimal places gives 3.14.

Decimals are widely used in everyday life for measurements, financial calculations, and more. For example, prices in a store, measurements in cooking, and distances are often expressed as decimals.

Not all decimals end or repeat. Some decimals, like the value of π (pi), go on infinitely without repeating. These are known as irrational numbers.

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is 3.141592654 a rounded decimal number

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Bayfront Avenue, Marina Bay Sands Singapore, Singapore

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A percentage is a ratio expressed as a fraction of 100. The symbol for percentage is "%". For example, 25% means 25 out of 100

Percentages are commonly used in financial calculations, such as calculating discounts, interest rates, and tax rates. For example, a 10% discount on a $50 item is $5.

When comparing two percentages, the difference between them is called the percentage point difference. For instance, if a tax rate increases from 15% to 20%, it has increased by 5 percentage points.

In finance, interest rates are often expressed as percentages. For example, a 5% annual interest rate on a savings account means you earn 5% of your balance in interest each year.

When dealing with multiple percentages, cumulative percentages can be calculated to show how different percentages add up over time or within a dataset.

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Marina Coastal Drive, Marina South Pier MRT Station (NS28), Singapore

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The average (or arithmetic mean) is the sum of a set of numbers divided by the count of numbers in the set. It provides a measure of central tendency, showing where the center of a data set lies.

he average is used to summarize a data set with a single value, providing a quick overview of the data's general magnitude. It is widely used in statistics, education, finance, and everyday life.

The median is another measure of central tendency, representing the middle value in a sorted data set. Unlike the average, the median is less affected by outliers and skewed data.

The mode is the most frequently occurring value in a data set. A data set can have one mode, more than one mode, or no mode at all. The average does not account for frequency, whereas the mode specifically addresses it.

Outliers (extremely high or low values compared to the rest of the data) can significantly affect the average, potentially skewing it away from the central tendency of the rest of the data.

For sets of numbers that are products or rates, the geometric mean is used, calculated as the nth root of the product of n numbers. It is particularly useful for comparing growth rates.

The harmonic mean is used for rates and ratios, such as speed. It is calculated as the reciprocal of the average of the reciprocals of the values.

In finance, averages are used to calculate returns on investments, interest rates, and financial ratios. For example, the average return on investment (ROI) provides insight into overall performance.

Averages are commonly used to calculate grades and scores in education. For instance, a student's overall grade may be an average of scores from different assignments and exams.

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Chats left in this column after 10 days will be deleted.

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Try pls

Your Answer in comments

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Math Quiz: Rounding Decimal Numbers | MATH SPEED TEST

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Moderator: Aliza and Scholes (have not replied)

Admins: Javier Chew

me am owner lmao

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On some days, this might become a robux prize. Good luck. This message will tell you if the current quiz is a robux prize. Current reward: None

Next reward:

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https://quizizz.com/join?gc=86472148

For 12/11/24. Try practicing P4, P5 and P6 topics!

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Join an activity with your class and find or create your own quizzes and flashcards.

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what al u get broda

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Hey guys! Have you ever seen these words in questions like identify, predict etc. I'll tell you all the meaning.

analyse: To identify the parts of objects, information or processes, and the patterns and relationships between these parts.

Classify: To group objects or events based on common characteristics.

Compare: To identify similarities and differences between objects, concepts or processes.

Construct: To put a set of components together, based on a given plan.

Describe: Writing the main points given on a specific topic.

Identify: To select and/or name the object, event, concept or process.

Predict: To assess the likelihood of an outcome based on prior knowledge of how things usually turn out.

State: To give a concise answer with little or no supporting argument.

Yup.