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Lina Osama

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How do I do a division between two fractions, for example, if we have 1/4÷ 2/3 how do we solve it? Once easy, the second number is 2/3. Change the places of the numbers and take a multiplication, meaning it becomes 1/4 x 3/2, 3  x 1 = 3, 4 x 2 = 8, meaning the result is 3/8

Now we are right, that we multiply two numbers, right as fractions, how do we do them? We see between the two numbers below and above, if there are two numbers like some, like we leave them one, and like this, for example, if we have above number 9 and below number 3 opposite each other, we leave the 3 1 and the 9 3 according to  The smaller number is how much we multiply it so that it becomes the largest, then we multiply them together. In an easier way, which is to do a normal multiplication, then we divide the result, like 12/10 becomes 6/5
Made by me shahd🔥

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The signs rule is
《+》×《_》=(_)
《+》×《+》=(+)
《_》×《_》=(+)
《_》×《+》=(_)
EX:-2(6)=-12
3(3)=9
-4(-2)=8

Number line
Step1:find the product
Step2:start at 0 then move any number of units to the right ro left according to the sign  of number
Step3:found the result
EX:-2(-3)
=6
Starts from 0 then move 3 units to the left 2 times
The result is -6
So it must be equal to the opposite of-6
It will be 6
-2(-3)=6

Multiplying more than 2 Rational Numbers
Step1: find the product of the first  two factors if they was different signs so it will be (-) product but if it was the same signs it will be (+)product
Step2: multiply numerator by numerator then multiply donemnator by donemnator
Step 3: simplify the result by division
EX:(-2 over 3)(-1 over 2)(-3 over5)
2×1×3=6
3×2×5=30
It will be (-6 over 30)
Simplify =6÷6=1
30÷6=5
The result is (1 over 5)

Finished

By Rokaia Ahmed grade 7

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Jana farhan

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How to Convert Fractions to DecimalsIn This ArticleYou can convert all fractions to decimals. The decimal forms of rational numbers either end or repeat a pattern. To convert fractions to decimals you just divide the top by the bottom — divide the numerator by the denominator — and if the division doesn’t come out evenly, you can stop after a certain number of decimal places and round off.To convert fractions to decimals:If the fraction is a mixed number, change it to an improper fraction.Divide the numerator by the denominator.If the division

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How to Convert Fractions to DecimalsIn This ArticleYou can convert all fractions to decimals. The decimal forms of rational numbers either end or repeat a pattern. To convert fractions to decimals you just divide the top by the bottom — divide the numerator by the denominator — and if the division doesn’t come out evenly, you can stop after a certain number of decimal places and round off.To convert fractions to decimals:If the fraction is a mixed number, change it to an improper fraction.Divide the numerator by the denominator.If the division

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the numerator by the denominator.If the division doesn’t come out evenly, round the decimal off.Here are some examples:The fraction 3/4: Divide 3 by 4, and you end up with the decimal .75.image0.pngThe fraction
image0.pngThe fraction 15/8: Divide 15 by 8, and you end up with the decimal 1.875.image1.pngOf course, these examples have divided evenly so far, but if the division doesn’t come out evenly, you can stop after a certain number of decimal places and round off.The fraction 5/9: Divide 5/9 to get the decimal .555…. If you choose to round to three decimal places, as in this example, you get an approximate answer, Student work :Athob

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Basma Mohamed G7 🤍.

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How to Convert Fractions to DecimalsIn This ArticleYou can convert all fractions to decimals. The decimal forms of rational numbers either end or repeat a pattern. To convert fractions to decimals you just divide the top by the bottom — divide the numerator by the denominator — and if the division doesn’t come out evenly, you can stop after a certain number of decimal places and round off.To convert fractions to decimals:If the fraction is a mixed number, change it to an improper fraction.Divide the numerator by the denominator.If the division doesn’t come out evenly, round the decimal off.Here are some examples:The fraction 3/4: Divide 3 by 4, and you end up with the decimal .75.image0.pngThe fraction 15/8: Divide 15 by 8, and you end up with the decimal 1.875.image1.pngOf course, these examples have divided evenly so far, but if the division doesn’t come out evenly, you can stop after a certain number of decimal places and round off.The fraction 5/9: Divide 5/9 to get the decimal .555…. If you choose to round to three decimal places, as in this example, you get an approximate answer, .556.image2.png

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How to Convert Fractions to DecimalsIn This ArticleYou can convert all fractions to decimals. The decimal forms of rational numbers either end or repeat a pattern. To convert fractions to decimals you just divide the top by the bottom — divide the numerator by the denominator — and if the division doesn’t come out evenly, you can stop after a certain number of decimal places and round off.To convert fractions to decimals:If the fraction is a mixed number, change it to an improper fraction.Divide the numerator by the denominator.If the division doesn’t come out evenly, round the decimal off.Here are some examples:The fraction 3/4: Divide 3 by 4, and you end up with the decimal .75.image0.pngThe fraction 15/8: Divide 15 by 8, and you end up with the decimal 1.875.image1.pngOf course, these examples have divided evenly so far, but if the division doesn’t come out evenly, you can stop after a certain number of decimal places and round off.The fraction 5/9: Divide 5/9 to get the decimal .555…. If you choose to round to three decimal places, as in this example, you get an approximate answer, .556.image2.png

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by Tala Badr

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Siba ALMOUISHEER

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Give two ways to write each expression in words:

X - 3
X minus three, X decreased by three

M + 7
M plus 7, M increased by 7

5 (h)
5 times h, the product of 5 and h

K ÷ 2
K divided by 2, the quotient of k and 2

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 a fraction is used to represent the portion/part of the whole thing

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 a fraction is used to represent the portion/part of the whole thing

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Aseel sultan alserhany 🤍

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A rational number is the result of dividing two integers. If the signs of the divisor and dividend are the same, then the quotient will be positive. If the signs of the divisor and dividend are different, then the quotient will be negative.

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Made by Lamar Adel

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Mayar turki
Math project🤍✨

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Lesson 2.1: Graphing and writing inequalities

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Lesson 2.1: Graphing and writing inequalities

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An lnequality is a statement that two quantities are not equal.
A solution of an inequality is any value of the variables that makes the inequality true.

wojood Saleh

G:8

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Adding rational numbers with the same sign 

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Adding rational numbers with the same sign 

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To add rational number with the same sign, apply the rules for adding integers. The sum has the same sign of the rational number

Example:
Malachi hikes for 2.5 miles and stops for lunch. Then he hikes for 1.5 more miles. how many miles did he hike altogether

Step 1: use positive numbers to represent the distance malachi hiked

Step 2: find 2.5+ 1.5

Step 3: start at 2.5

Step 4: move 1.5 units to the right because the second addend is positive

The result is 4

Malachi hiked 4 miles

By: Durar Alshammair

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Rules on How to Multiply Integers

Step 1: Multiply their absolute values.

Step 2: Determine the sign of the final answer (in this case it is called the product because we are multiplying) using the following conditions.

Condition 1: If the signs of the two numbers are the same, the product is always a positive number

Condition 2: If the signs of the two numbers are different, the product is always a negative number

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solving equations by adding or subtracting
*writean operationg torepresent each relationship than solve the equation:

1- ten less than a number is a equal to 12.

E:    x-10=12


S:    x-10=12
       +10 +10  = x=22


2-Anumber decrease by 13 is eqaul to 7.

E:   D-13=7


S:   D-13=7
      +13 +13  = D=20


3-Eight morethan a number is 16

E:  8+y=16


S:  8+y=16
   -8  -8  = y=8

Durar Ali Alaydie
Grade:8

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Adding and subtracting entegers
+and+=+
_and_ =_
_and+= sign of greatest number

Multiplying and Dividing entegers
_and_=+
+and+=+
_and+=_
+and_=_

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Anequation is a mathematical statmenf that tow expression are equal

*a solution of an equaltyion is avadue of the variabel that make the equation true.

Solve each equation ;

N-10=4
10-10-=N=14

A-3.2=5.6
3.2+3.2+=A=8.8

Alnahlah Aber

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ADDING INTEGERS :

ADDING INTEGERS WITH THE SAME SIGN :

The sum of two positive integers is always positive .

The sum of two negative integers is always negative .

EXAMPLE : 1        3 + 5 = 8

EXAMPLE :  2         _3 + _5 = _8

ADDING INTEGERS WITH DIFFERENT SIGNS :

If the numbers you are adding have different signs

,subtract the smaller number from the larger number , then determine which number is larger .

The sign (  positive  or negative ) of the answer will be the sign of the larger number .

EXAMPLE : 1    8 + (-2) = 6

EXAMPLE : 2   (-8) + 2 = -6

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Naya Feras G7

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Layan hamdan G7

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DIVIDING INTEGERS:

1- When you divide two integers with the same sign, the result is always positive. Just divide the absolute values and make the answer positive.

Positive ÷ positive = positive
Negative ÷ negative = positive

EXAMPLE:
-10 / -5 = +2

HERE WE HAVE NEGATIVE WITH THE BOTH NUMBERS SO IT GONNA BE POSITIVE

2 -When you divide two integers with different signs, the result is always negative. Just divide the absolute values and make the answer negative.

Positive ÷ negative = negative
Negative ÷ positive = negative

EXAMPLE:
-12/4= -3

HERE WE HAVE DIFFERENT SIGNS SO DIVIDE THEN PUT THE NEGATIVE SIGN

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MULTYPLYING INTEGERS:

1- When you multiply two integers with the same signs, the result is always positive. Just multiply the absolute values and make the answer positive.

Positive x positive = positive
Negative x negative = positive

EXAMPLE:
(-4) -4= +16

HERE WE HAVE NEGATIVE WITH THE BOTH NUMBERS SO  MULTIPLY THEN PUT POSITIVE SIGN

2- When you multiply two integers with different signs, the result is always negative. Just multiply the absolute values and make the answer negative.

Positive x negative = negative
Negative x positive = negative

EXAMPLE:
(-3) 8= -24

HERE WE HAVE DIFFERENT SIGNS SO MULTIPLY THEN PUT NEGATIVE SIGN

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SUBTRACTING RATIONAL NUMBERS:

Step one : keep the first number
Step two : change the operation from subtract to add
Step three: get the opposite of the second number
Step four: follow addition rules

-14+(-11)= - 35

ADDING RATIONAL NUMBERS:

Rule:  to add integers if the sign is different subtract  the numbers and use the sign of the largest number , to add integers with same sign add normally and get the answer .

-4+3= -1
-13+-17= +30 or 30

Student: Wafa Mabrouki  grade 7