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
- 1.109³ =
- 2.986³ =
- 3.106³ =
- 4.97³ =
- 5.94³ =
- 6.95³ =
- 7.981³ =
- 8.104³ =
- 9.93³ =
- 10.97³ =
- 11.1012³ =
- 12.106³ =
- 13.105³ =
- 14.1011³ =
- 15.996³ =
- 16.102³ =
- 17.99³ =
- 18.97³ =
- 19.99³ =
- 20.109³ =
- 21.988³ =
- 22.106³ =
- 23.1007³ =
- 24.992³ =
- 25.96³ =
- 26.104³ =
- 27.108³ =
- 28.985³ =
- 29.93³ =
- 30.983³ =
- 31.1011³ =
- 32.93³ =
- 33.94³ =
- 34.99³ =
- 35.105³ =
- 36.998³ =
- 37.1020³ =
- 38.982³ =
- 39.982³ =
- 40.98³ =
Answer key
- 1295029
- 958585256
- 1191016
- 912673
- 830584
- 857375
- 944076141
- 1124864
- 804357
- 912673
- 1036433728
- 1191016
- 1157625
- 1033364331
- 988047936
- 1061208
- 970299
- 912673
- 970299
- 1295029
- 964430272
- 1191016
- 1021147343
- 976191488
- 884736
- 1124864
- 1259712
- 955671625
- 804357
- 949862087
- 1033364331
- 804357
- 830584
- 970299
- 1157625
- 994011992
- 1061208000
- 946966168
- 946966168
- 941192
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