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
- 1.999³ =
- 2.92³ =
- 3.104³ =
- 4.1009³ =
- 5.92³ =
- 6.108³ =
- 7.995³ =
- 8.1002³ =
- 9.101³ =
- 10.1005³ =
- 11.99³ =
- 12.96³ =
- 13.93³ =
- 14.97³ =
- 15.93³ =
- 16.102³ =
- 17.103³ =
- 18.106³ =
- 19.982³ =
- 20.984³ =
- 21.94³ =
- 22.91³ =
- 23.981³ =
- 24.97³ =
- 25.96³ =
- 26.984³ =
- 27.985³ =
- 28.1013³ =
- 29.98³ =
- 30.1011³ =
- 31.105³ =
- 32.96³ =
- 33.102³ =
- 34.999³ =
- 35.1014³ =
- 36.1009³ =
- 37.101³ =
- 38.1003³ =
- 39.97³ =
- 40.97³ =
Answer key
- 997002999
- 778688
- 1124864
- 1027243729
- 778688
- 1259712
- 985074875
- 1006012008
- 1030301
- 1015075125
- 970299
- 884736
- 804357
- 912673
- 804357
- 1061208
- 1092727
- 1191016
- 946966168
- 952763904
- 830584
- 753571
- 944076141
- 912673
- 884736
- 952763904
- 955671625
- 1039509197
- 941192
- 1033364331
- 1157625
- 884736
- 1061208
- 997002999
- 1042590744
- 1027243729
- 1030301
- 1009027027
- 912673
- 912673
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