Using your learning from the Wednesday and Thursday. Can you solve these addition and subtraction problems using an unstructured number line.
Remember to use your chips and peas (tens and ones) to help you if you get stuck and look carefully at the symbols.
1) 45 + 23 =
2) 74 - 36 =
3) 92 - 53 =
4) 24 + 52 =
5) 53 + 11 =
6) 13 + 16 =
7) 89 - 34 =
8) 74 - 14 =
9) 56 + 16 =
10) 99 - 66 =
Answers
1) 68
2) 38
3) 39
4) 76
5) 64
6) 29
7) 55
8) 60
9) 72
10) 33