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
- 1.1009³ =
- 2.1009³ =
- 3.986³ =
- 4.109³ =
- 5.985³ =
- 6.99³ =
- 7.95³ =
- 8.94³ =
- 9.1002³ =
- 10.102³ =
- 11.996³ =
- 12.97³ =
- 13.1013³ =
- 14.996³ =
- 15.103³ =
- 16.103³ =
- 17.109³ =
- 18.1004³ =
- 19.993³ =
- 20.980³ =
- 21.1001³ =
- 22.104³ =
- 23.996³ =
- 24.98³ =
- 25.98³ =
- 26.102³ =
- 27.95³ =
- 28.99³ =
- 29.1004³ =
- 30.98³ =
- 31.987³ =
- 32.103³ =
- 33.1012³ =
- 34.993³ =
- 35.998³ =
- 36.102³ =
- 37.107³ =
- 38.94³ =
- 39.985³ =
- 40.98³ =
Answer key
- 1027243729
- 1027243729
- 958585256
- 1295029
- 955671625
- 970299
- 857375
- 830584
- 1006012008
- 1061208
- 988047936
- 912673
- 1039509197
- 988047936
- 1092727
- 1092727
- 1295029
- 1012048064
- 979146657
- 941192000
- 1003003001
- 1124864
- 988047936
- 941192
- 941192
- 1061208
- 857375
- 970299
- 1012048064
- 941192
- 961504803
- 1092727
- 1036433728
- 979146657
- 994011992
- 1061208
- 1225043
- 830584
- 955671625
- 941192
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