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
- 1.994³ =
- 2.94³ =
- 3.993³ =
- 4.992³ =
- 5.107³ =
- 6.990³ =
- 7.989³ =
- 8.1007³ =
- 9.986³ =
- 10.91³ =
- 11.103³ =
- 12.983³ =
- 13.1016³ =
- 14.93³ =
- 15.107³ =
- 16.94³ =
- 17.107³ =
- 18.985³ =
- 19.95³ =
- 20.994³ =
- 21.91³ =
- 22.1004³ =
- 23.987³ =
- 24.999³ =
- 25.95³ =
- 26.102³ =
- 27.93³ =
- 28.106³ =
- 29.1013³ =
- 30.105³ =
- 31.1002³ =
- 32.103³ =
- 33.987³ =
- 34.94³ =
- 35.1009³ =
- 36.92³ =
- 37.997³ =
- 38.991³ =
- 39.1001³ =
- 40.982³ =
Answer key
- 982107784
- 830584
- 979146657
- 976191488
- 1225043
- 970299000
- 967361669
- 1021147343
- 958585256
- 753571
- 1092727
- 949862087
- 1048772096
- 804357
- 1225043
- 830584
- 1225043
- 955671625
- 857375
- 982107784
- 753571
- 1012048064
- 961504803
- 997002999
- 857375
- 1061208
- 804357
- 1191016
- 1039509197
- 1157625
- 1006012008
- 1092727
- 961504803
- 830584
- 1027243729
- 778688
- 991026973
- 973242271
- 1003003001
- 946966168
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