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 =
- 2.99³ =
- 3.989³ =
- 4.99³ =
- 5.1004³ =
- 6.93³ =
- 7.107³ =
- 8.1008³ =
- 9.995³ =
- 10.999³ =
- 11.92³ =
- 12.93³ =
- 13.91³ =
- 14.98³ =
- 15.987³ =
- 16.103³ =
- 17.106³ =
- 18.999³ =
- 19.1006³ =
- 20.981³ =
- 21.993³ =
- 22.1005³ =
- 23.1016³ =
- 24.102³ =
- 25.986³ =
- 26.1013³ =
- 27.94³ =
- 28.983³ =
- 29.95³ =
- 30.95³ =
- 31.91³ =
- 32.98³ =
- 33.989³ =
- 34.998³ =
- 35.993³ =
- 36.91³ =
- 37.990³ =
- 38.1014³ =
- 39.92³ =
- 40.96³ =
Answer key
- 753571
- 970299
- 967361669
- 970299
- 1012048064
- 804357
- 1225043
- 1024192512
- 985074875
- 997002999
- 778688
- 804357
- 753571
- 941192
- 961504803
- 1092727
- 1191016
- 997002999
- 1018108216
- 944076141
- 979146657
- 1015075125
- 1048772096
- 1061208
- 958585256
- 1039509197
- 830584
- 949862087
- 857375
- 857375
- 753571
- 941192
- 967361669
- 994011992
- 979146657
- 753571
- 970299000
- 1042590744
- 778688
- 884736
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