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Reflections on ALP Lesson on P5 Math Rates

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Reflections on ALP Lesson on P5 Math Rates

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In this ALP lesson, you have learnt the following:

(a) calculate the energy costs of common household appliances.

(b) examine ways to promote energy efficiency.

Reflection

At the end of this lesson, please share with the class on one of the following:

(1) How do you promote energy savings in your classroom and within the school through a comic strip? You can design it online using Canva or your own hand drawn comic strip. Once finished, please upload your work onto this padlet.

(2) Surf the internet to find ways to reduce energy consumption.

(3) Imagine you are choosing an electrical appliance for your home, what are the considerations that you will make pertaining to energy efficiency and savings?

Peer Comments:

In your comments on your peer(s)'s work, do use Math Talk Moves such as:

Reasoning: I like your comic strip / checklist / choice of electrical appliance / suggestion for learning journey because ...

Adding on : Further to what you have suggested, you may want to consider ...

Clarifying: Could you elaborate on how you decide on the theme of your comic strip or suggestion for the learning journey...

In each comment, please remember to state your name and always give positive feedback to encourage your peer to think deeper.

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Free Comic Strip Maker - Create Comic Strips Online | Canva

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Create and share your own brilliant comic strips for free with Canva’s amazingly simple online comic strips maker.

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Using Canva to create your own comic strips

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Using Canva to create your own comic strips

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look for more ticks

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turn off the light at home and use sunlight if possible

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to save electricity at home or school, switch off the lights, fans and the projector when there is no one in class

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take photo of the things with ticks then people will buy because it use lesser energy and energy use money

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turn off lights when leaving a room, unplug devices when not in use, and consider using energy-efficient appliances and light bulbs. In school, turn off lights, computers, and other devices when not needed, promote natural light usage.

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save energy by turning off the tv when not using, turn off chargers when not using, turn off light and use the sun as light

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when we are having recess we need to turn off all the fans and lights if there is no one in the class.

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Choose the right cooling capacity for your air-conditioner. Oversized or undersized air-conditioners operate inefficiently.

Choose an energy efficient air-conditioner with more ticks on the energy label. ...

Choose models with lower life cycle costs (LCC).

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1. Convert watts to kilowatts: 2500 watts is equal to 2.5 kilowatts (2500 / 1000 = 2.5 kWh).

2. Calculate total kilowatt-hours (kWh): 2.5 kWh x 5 hours = 12.5 kWh.

3. Calculate the total cost: 12.5 kWh x $0.32/kWh = $4.

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Turn on AC to 25 degrees

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Before you sleep turn off all the aircon and light and switch on the fan

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Six Simple Steps to Save Your Home Electricity Use

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choose more ticks

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turn off fans and lights when not using

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i will turn off the lights and use sunlight and i will turn off any electrical appliances when not in use no matter if its at home or at school

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check the wattage and check if suitable

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to check what electrical appliances will save more energy is to look for the one with more ticks

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1. switch off lights and fan when nobody is using it

2. in the morning use the sunlight from the sun

3. when walking past a class and you see a class lights and fans not turn off, help the class to switch it off

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looks for electrical items that has more ticks

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when the sun is out we can off the light to save more electricity

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i will look for the most ticks

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led saving bulbs

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2500 x 5 =12500

12500 divide by 1000 = 12.5

12.5 x $0.32 = $4

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turn off lights, computer, fans when not using. School, check if there's any light on and turn it off if no one is in the classroom.

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2500 x 5 = 12500

12500 divide by 1000 = 12.5

12.5 x $0.32 = $4

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250 x 5=12500

12500 divide 1000=12.5

12.5x$0.32=$4

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Use a fan instead of using an aircon to save energy

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Look for more green ticks so you can save more energy

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250 times 4=12500

12500 divide by 1000=12.5

12.5 times $0.32=$4

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When not using the electricial appliances, turn it off to reduce the cost of electricity bills.