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 =
- 2.97³ =
- 3.1009³ =
- 4.94³ =
- 5.1001³ =
- 6.997³ =
- 7.1012³ =
- 8.986³ =
- 9.991³ =
- 10.1008³ =
- 11.1009³ =
- 12.98³ =
- 13.993³ =
- 14.1011³ =
- 15.103³ =
- 16.102³ =
- 17.103³ =
- 18.109³ =
- 19.983³ =
- 20.1010³ =
- 21.97³ =
- 22.99³ =
- 23.105³ =
- 24.996³ =
- 25.99³ =
- 26.93³ =
- 27.95³ =
- 28.94³ =
- 29.97³ =
- 30.101³ =
- 31.1020³ =
- 32.980³ =
- 33.98³ =
- 34.1003³ =
- 35.95³ =
- 36.987³ =
- 37.98³ =
- 38.1012³ =
- 39.103³ =
- 40.1018³ =
Answer key
- 753571
- 912673
- 1027243729
- 830584
- 1003003001
- 991026973
- 1036433728
- 958585256
- 973242271
- 1024192512
- 1027243729
- 941192
- 979146657
- 1033364331
- 1092727
- 1061208
- 1092727
- 1295029
- 949862087
- 1030301000
- 912673
- 970299
- 1157625
- 988047936
- 970299
- 804357
- 857375
- 830584
- 912673
- 1030301
- 1061208000
- 941192000
- 941192
- 1009027027
- 857375
- 961504803
- 941192
- 1036433728
- 1092727
- 1054977832
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