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
- 1.993³ =
- 2.91³ =
- 3.102³ =
- 4.1019³ =
- 5.96³ =
- 6.99³ =
- 7.1010³ =
- 8.104³ =
- 9.991³ =
- 10.99³ =
- 11.989³ =
- 12.997³ =
- 13.990³ =
- 14.1004³ =
- 15.1013³ =
- 16.1002³ =
- 17.981³ =
- 18.98³ =
- 19.94³ =
- 20.1010³ =
- 21.987³ =
- 22.91³ =
- 23.104³ =
- 24.1003³ =
- 25.103³ =
- 26.998³ =
- 27.97³ =
- 28.987³ =
- 29.105³ =
- 30.1009³ =
- 31.1018³ =
- 32.103³ =
- 33.93³ =
- 34.987³ =
- 35.102³ =
- 36.1011³ =
- 37.93³ =
- 38.997³ =
- 39.103³ =
- 40.1015³ =
Answer key
- 979146657
- 753571
- 1061208
- 1058089859
- 884736
- 970299
- 1030301000
- 1124864
- 973242271
- 970299
- 967361669
- 991026973
- 970299000
- 1012048064
- 1039509197
- 1006012008
- 944076141
- 941192
- 830584
- 1030301000
- 961504803
- 753571
- 1124864
- 1009027027
- 1092727
- 994011992
- 912673
- 961504803
- 1157625
- 1027243729
- 1054977832
- 1092727
- 804357
- 961504803
- 1061208
- 1033364331
- 804357
- 991026973
- 1092727
- 1045678375
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