Some, subtraia e compare
(1) Calcule.
| 73 + 4 = 77 | 68 - 8 = ____ | 61 + 5 = ____ | 52 - 7 = ____ |
| 37 - 6 = ____ | 42 + 9 = ____ | 87 + 3 = ____ | 60 - 2 = ____ |
| 47 + 5 = ____ | 34 - 2 = ____ | 44 + 6 = ____ | 26 - 8 = ____ |
| 53 - 7 = ____ | 78 + 3 = ____ | 67 - 4 = ____ | 64 + 0 = ____ |
| 51 - 6 = ____ | 20 + 1 = ____ | 22 + 3 = ____ | 38 - 9 = ____ |
| 71 + 8 = ____ | 39 - 4 = ____ | 49 + 2 = ____ | 56 - 5 = ____ |
| 83 - 8 = ____ | 32 + 3 = ____ | 50 + 0 = ____ | 30 - 6 = ____ |
| 89 + 7 = ____ | 86 - 9 = ____ | 35 + 5 = ____ | 81 - 4 = ____ |
(2) Preencha a tabela.
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(3) Coloque <, > ou =
| 56 + 34 85 | 83 10 + 44 | 84 - 14 17 | 39 + 45 19 |
| 92 12 + 24 | 75 - 52 37 | 19 20 + 37 | 93 - 17 60 |
| 1 79 - 29 | 77 - 11 48 | 98 28 + 21 | 70 - 35 40 |
| 76 - 3 27 | 95 15 + 55 | 73 - 11 32 | 16 72 - 43 | 87 16 + 18 | 24 - 33 5 | 13 89 - 32 | 71 - 14 31 |
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