# Monday

XI.I.MMXI

Monday 11th January 2021         Maths

LO: to add and subtract decimals with a different number of decimal places

Challenge 1: adding and subtracting decimals using column method

Your challenge can be found beneath the videos.

2. Next, watch the second video about subtracting decimals. Then complete the second page of your challenge.

## Subtracting decimals with a different number of decimal places

Challenge 2: adding decimals with a different number of decimal places - reasoning and problem solving

Have a go at the challenge below. If you need a reminder about how to add decimals with a different number of decimal places, watch the video above, called 'Adding decimals with a different number of decimal places'.

Remember to line up your decimal point!

Challenge 3: adding and subtracting decimals with a different number of decimal places number pyramids

Use your addition and subtraction skills to find the missing numbers in these decimal pyramids. Watch the video below in which I model how to do the first question.

Then have a go yourself (you can find the challenge beneath the video!)

## Challenge 3 - decimal pyramids

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