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
- 1.94³ =
- 2.1010³ =
- 3.1015³ =
- 4.983³ =
- 5.92³ =
- 6.92³ =
- 7.102³ =
- 8.93³ =
- 9.996³ =
- 10.108³ =
- 11.94³ =
- 12.107³ =
- 13.985³ =
- 14.996³ =
- 15.1009³ =
- 16.1007³ =
- 17.1010³ =
- 18.98³ =
- 19.102³ =
- 20.105³ =
- 21.96³ =
- 22.990³ =
- 23.108³ =
- 24.105³ =
- 25.98³ =
- 26.91³ =
- 27.1014³ =
- 28.1014³ =
- 29.98³ =
- 30.1002³ =
- 31.102³ =
- 32.990³ =
- 33.105³ =
- 34.102³ =
- 35.991³ =
- 36.94³ =
- 37.103³ =
- 38.99³ =
- 39.103³ =
- 40.95³ =
Answer key
- 830584
- 1030301000
- 1045678375
- 949862087
- 778688
- 778688
- 1061208
- 804357
- 988047936
- 1259712
- 830584
- 1225043
- 955671625
- 988047936
- 1027243729
- 1021147343
- 1030301000
- 941192
- 1061208
- 1157625
- 884736
- 970299000
- 1259712
- 1157625
- 941192
- 753571
- 1042590744
- 1042590744
- 941192
- 1006012008
- 1061208
- 970299000
- 1157625
- 1061208
- 973242271
- 830584
- 1092727
- 970299
- 1092727
- 857375
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