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Mental-Arithmetic.co.uk worksheet indexNumber Bonds to 100
Worksheet 3
Name: ____________________________
| ___ + 27 = 100 (1) | ___ + 90 = 100 (2) | 80 + ___ = 100 (3) |
| ___ + 14 = 100 (4) | ___ + 76 = 100 (5) | 100 + ___ = 100 (6) |
| 17 + ___ = 100 (7) | 51 + ___ = 100 (8) | 98 + ___ = 100 (9) |
| 13 + ___ = 100 (10) | ___ + 61 = 100 (11) | 38 + ___ = 100 (12) |
| 78 + ___ = 100 (13) | ___ + 47 = 100 (14) | 4 + ___ = 100 (15) |
| 47 + ___ = 100 (16) | 19 + ___ = 100 (17) | ___ + 24 = 100 (18) |
| 53 + ___ = 100 (19) | 77 + ___ = 100 (20) | ___ + 92 = 100 (21) |
| 70 + ___ = 100 (22) | 85 + ___ = 100 (23) | ___ + 17 = 100 (24) |
| 67 + ___ = 100 (25) | 27 + ___ = 100 (26) | ___ + 20 = 100 (27) |
| ___ + 48 = 100 (28) | ___ + 66 = 100 (29) | ___ + 79 = 100 (30) |
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