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Mental-Arithmetic.co.uk worksheet indexNumber Bonds to 100
Worksheet 6
Name: ____________________________
| ___ + 21 = 100 (1) | 39 + ___ = 100 (2) | 17 + ___ = 100 (3) |
| ___ + 26 = 100 (4) | ___ + 30 = 100 (5) | ___ + 77 = 100 (6) |
| 65 + ___ = 100 (7) | ___ + 1 = 100 (8) | 79 + ___ = 100 (9) |
| 35 + ___ = 100 (10) | 96 + ___ = 100 (11) | ___ + 48 = 100 (12) |
| 57 + ___ = 100 (13) | 12 + ___ = 100 (14) | 52 + ___ = 100 (15) |
| ___ + 3 = 100 (16) | 70 + ___ = 100 (17) | ___ + 21 = 100 (18) |
| 68 + ___ = 100 (19) | ___ + 85 = 100 (20) | ___ + 17 = 100 (21) |
| ___ + 66 = 100 (22) | ___ + 3 = 100 (23) | ___ + 34 = 100 (24) |
| ___ + 75 = 100 (25) | ___ + 23 = 100 (26) | ___ + 71 = 100 (27) |
| 52 + ___ = 100 (28) | ___ + 72 = 100 (29) | 64 + ___ = 100 (30) |
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