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
- 1.91³ =
- 2.984³ =
- 3.95³ =
- 4.995³ =
- 5.93³ =
- 6.103³ =
- 7.1014³ =
- 8.987³ =
- 9.93³ =
- 10.95³ =
- 11.1013³ =
- 12.101³ =
- 13.95³ =
- 14.1006³ =
- 15.94³ =
- 16.985³ =
- 17.93³ =
- 18.991³ =
- 19.103³ =
- 20.102³ =
- 21.1007³ =
- 22.1001³ =
- 23.998³ =
- 24.96³ =
- 25.1011³ =
- 26.105³ =
- 27.92³ =
- 28.91³ =
- 29.105³ =
- 30.995³ =
- 31.991³ =
- 32.1004³ =
- 33.998³ =
- 34.982³ =
- 35.105³ =
- 36.1009³ =
- 37.993³ =
- 38.94³ =
- 39.97³ =
- 40.988³ =
Answer key
- 753571
- 952763904
- 857375
- 985074875
- 804357
- 1092727
- 1042590744
- 961504803
- 804357
- 857375
- 1039509197
- 1030301
- 857375
- 1018108216
- 830584
- 955671625
- 804357
- 973242271
- 1092727
- 1061208
- 1021147343
- 1003003001
- 994011992
- 884736
- 1033364331
- 1157625
- 778688
- 753571
- 1157625
- 985074875
- 973242271
- 1012048064
- 994011992
- 946966168
- 1157625
- 1027243729
- 979146657
- 830584
- 912673
- 964430272
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