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 =
- 2.103³ =
- 3.99³ =
- 4.992³ =
- 5.992³ =
- 6.105³ =
- 7.91³ =
- 8.1003³ =
- 9.993³ =
- 10.1013³ =
- 11.103³ =
- 12.93³ =
- 13.109³ =
- 14.106³ =
- 15.107³ =
- 16.1020³ =
- 17.986³ =
- 18.997³ =
- 19.995³ =
- 20.97³ =
- 21.1003³ =
- 22.99³ =
- 23.987³ =
- 24.96³ =
- 25.98³ =
- 26.95³ =
- 27.990³ =
- 28.92³ =
- 29.101³ =
- 30.1008³ =
- 31.93³ =
- 32.981³ =
- 33.1002³ =
- 34.107³ =
- 35.93³ =
- 36.94³ =
- 37.1008³ =
- 38.109³ =
- 39.999³ =
- 40.106³ =
Answer key
- 1295029
- 1092727
- 970299
- 976191488
- 976191488
- 1157625
- 753571
- 1009027027
- 979146657
- 1039509197
- 1092727
- 804357
- 1295029
- 1191016
- 1225043
- 1061208000
- 958585256
- 991026973
- 985074875
- 912673
- 1009027027
- 970299
- 961504803
- 884736
- 941192
- 857375
- 970299000
- 778688
- 1030301
- 1024192512
- 804357
- 944076141
- 1006012008
- 1225043
- 804357
- 830584
- 1024192512
- 1295029
- 997002999
- 1191016
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