Add and subtract 11 and 12 – adding integers worksheet
Click here to download today’s worksheet and teaching ideas – adding integers worksheet.
Add and subtract 9 or 11 quickly
To add 11, you simple add 10 and then 1 more.
If you add 12, you simply add 10 and then 2 more..
For subtracting 11, you subtract 10, and then take away one more from the answer.
For subtracting 12, you take away 10 and then give away another 2.
A simple introduction into using a hundred square to add and subtract.
You are now ready for today’s worksheet.
Now you are ready to complete today’s maths challenges. Have fun!
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