Practise counting on and back from different numbers.
Start at 4 and stop at 15
Start at 10 and stop at 17
Start at 8 and stop at 18
Choose some of your own numbers!
Work out these calculations together.
Think about what you have to do when you add and takeaway.
9-5=
5+5=
2+2+2=
5-4=
2+3+1=
2+1+2=
You are going to get a calculation card to work out on your fingers, it might be add or takeaway. Tell your teacher what the answer is and get a different one.