Cubes Near 100 Worksheet
The trick (Yavadunam): Left part: the number + twice the difference. Middle part: 3 × the difference squared. Right part: the difference cubed. Each right-hand part has as many digits as the base has zeros — carry the extra, borrow if a part is negative.
NameDateTime takenScore ___ / 40
- 1.95³ =
- 2.106³ =
- 3.1010³ =
- 4.989³ =
- 5.986³ =
- 6.991³ =
- 7.93³ =
- 8.988³ =
- 9.987³ =
- 10.107³ =
- 11.109³ =
- 12.1003³ =
- 13.108³ =
- 14.107³ =
- 15.105³ =
- 16.1001³ =
- 17.1003³ =
- 18.109³ =
- 19.998³ =
- 20.991³ =
- 21.103³ =
- 22.1013³ =
- 23.107³ =
- 24.109³ =
- 25.1011³ =
- 26.94³ =
- 27.1006³ =
- 28.98³ =
- 29.103³ =
- 30.99³ =
- 31.981³ =
- 32.982³ =
- 33.999³ =
- 34.106³ =
- 35.1013³ =
- 36.1015³ =
- 37.95³ =
- 38.98³ =
- 39.998³ =
- 40.1018³ =
Answer key
- 857375
- 1191016
- 1030301000
- 967361669
- 958585256
- 973242271
- 804357
- 964430272
- 961504803
- 1225043
- 1295029
- 1009027027
- 1259712
- 1225043
- 1157625
- 1003003001
- 1009027027
- 1295029
- 994011992
- 973242271
- 1092727
- 1039509197
- 1225043
- 1295029
- 1033364331
- 830584
- 1018108216
- 941192
- 1092727
- 970299
- 944076141
- 946966168
- 997002999
- 1191016
- 1039509197
- 1045678375
- 857375
- 941192
- 994011992
- 1054977832
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