3F's Maths page
Addition and subtraction
We will be learning how to add and subtract numbers mentally.
We should be able to;
Add/ subtract 3 digit numbers and ones: 354 + 4 = 358 878 - 5 = 873
Add/ subtract 3 digit numbers and tens: 354 + 40 = 394 878 - 50 = 828
Add/ subtract 3 digit numbers and hundreds: 354 + 400 = 754 878 - 500 = 378
3F: can you see which digits are changing in each sum?
We will also be practising how to column addition and subtraction to work out the answers to more challenging sums. These sums will involve us having to carry in written addition and exchange in written subtraction.
Challenge: 3F, explain or show someone at home a sum which has carrying or exchanging in it.
We think it is very important to learn our times tables, as it helps with all other areas of maths. To help us to do this the class will do a times table challenge every week.
3F have already had thier first go at the Bronze times table challenge, which focuses on the 2x, 5x, 3x and 10 x table.
Click on My Maths above to access this weeks homework.
Speak to your class teacher if you need the username and password.
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