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
- 1.109³ =
- 2.999³ =
- 3.99³ =
- 4.103³ =
- 5.103³ =
- 6.988³ =
- 7.107³ =
- 8.103³ =
- 9.1011³ =
- 10.92³ =
- 11.1013³ =
- 12.1014³ =
- 13.982³ =
- 14.97³ =
- 15.993³ =
- 16.101³ =
- 17.985³ =
- 18.998³ =
- 19.995³ =
- 20.105³ =
- 21.109³ =
- 22.102³ =
- 23.96³ =
- 24.986³ =
- 25.99³ =
- 26.109³ =
- 27.95³ =
- 28.996³ =
- 29.987³ =
- 30.99³ =
- 31.104³ =
- 32.105³ =
- 33.107³ =
- 34.1005³ =
- 35.103³ =
- 36.985³ =
- 37.1002³ =
- 38.103³ =
- 39.92³ =
- 40.97³ =
Answer key
- 1295029
- 997002999
- 970299
- 1092727
- 1092727
- 964430272
- 1225043
- 1092727
- 1033364331
- 778688
- 1039509197
- 1042590744
- 946966168
- 912673
- 979146657
- 1030301
- 955671625
- 994011992
- 985074875
- 1157625
- 1295029
- 1061208
- 884736
- 958585256
- 970299
- 1295029
- 857375
- 988047936
- 961504803
- 970299
- 1124864
- 1157625
- 1225043
- 1015075125
- 1092727
- 955671625
- 1006012008
- 1092727
- 778688
- 912673
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