Add, Subtract and Compare
(1) Calculate.
| 73 + 2 = 75 | 23 - 8 = ____ | 69 + 7 = ____ | 50 - 4 = ____ |
| 31 - 9 = ____ | 88 + 5 = ____ | 70 + 1 = ____ | 48 - 3 = ____ |
| 52 + 5 = ____ | 67 - 4 = ____ | 56 + 3 = ____ | 89 - 0 = ____ |
| 57 - 1 = ____ | 24 + 6 = ____ | 65 - 8 = ____ | 80 + 2 = ____ |
| 85 - 9 = ____ | 82 + 5 = ____ | 37 + 7 = ____ | 83 - 3 = ____ |
| 90 + 4 = ____ | 42 - 1 = ____ | 25 + 6 = ____ | 40 - 8 = ____ |
| 33 - 6 = ____ | 29 + 8 = ____ | 30 + 0 = ____ | 34 - 4 = ____ |
| 55 + 5 = ____ | 72 - 3 = ____ | 64 + 7 = ____ | 35 - 2 = ____ |
(2) Fill in the table.
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(3) Put <, > or =
| 53 + 15 73 | 87 27 + 33 | 95 - 39 32 | 20 + 26 18 |
| 99 28 + 28 | 83 - 13 16 | 18 23 + 14 | 74 - 2 32 |
| 4 80 - 44 | 77 - 17 59 | 86 26 + 60 | 85 - 16 33 |
| 79 - 5 20 | 72 34 + 45 | 71 - 56 25 | 3 84 - 24 | 97 12 + 49 | 37 - 12 11 | 20 91 - 50 | 82 - 12 40 |
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