Mass

Measure mass

Grams and kilogramshttps://www.youtube.com/watch?time_continue=87&v=9dwdO_ISPL8&feature=emb_logo

KILOGRAMS kg

GRAMS g

1 kg is the same as 1000g

Half a kg is 500g

BALANCE SCALES

How much does the bar of chocolate weigh?

How much does the parcel weigh?

How much does the 500g weight weigh?

Try this to practice measuring https://www.ictgames.com/mobilePage/mostlyPostie/index.html

Make sure you can read the intervals.

What is this going up in?

If you can try measuring using your own scales or try these challenge questions.

Measure mass

Grams and kilograms 2https://www.youtube.com/watch?v=-Jh71YY5i38

Remember that every thousand grams (1000g) is a kilogram. Can you can convert these weights?1. 1000g= 1kg2. 1350g= 1kg 350g3. 1745g =4. 1049g=5.2820g= 6. 3959g= 7.9375g=

Remember that every thousand grams (1000g) is a kilogram. Can you can convert these weights?1. 1kg=1000g2. 1kg 836g= 1836g3. 1kg 370g =4. 1kg 748g=5.2kg 89g= 6.3kg 190g= 7.9kg 839g=

Challenge

Compare mass

https://www.turtlediary.com/game/heavy-and-light.html

Can you find anything else to measure in your home and compare the weights?

Challenge

Challenge

Add mass

https://www.bbc.co.uk/bitesize/clips/zbvgkqt

To add mass you will need to use your own mental maths strategies to help.

You can use this or your own strategy

You can use this or your own strategy

Balance the scales to make them the same.

Challenge!

Subtract mass

To subtract we can use a range of different methods to support us. Here are some you might want to use.