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
- 1.990³ =
- 2.109³ =
- 3.996³ =
- 4.1009³ =
- 5.93³ =
- 6.997³ =
- 7.107³ =
- 8.108³ =
- 9.109³ =
- 10.1004³ =
- 11.98³ =
- 12.108³ =
- 13.991³ =
- 14.97³ =
- 15.1007³ =
- 16.99³ =
- 17.109³ =
- 18.97³ =
- 19.108³ =
- 20.983³ =
- 21.993³ =
- 22.101³ =
- 23.101³ =
- 24.988³ =
- 25.1019³ =
- 26.985³ =
- 27.109³ =
- 28.109³ =
- 29.91³ =
- 30.96³ =
- 31.995³ =
- 32.105³ =
- 33.987³ =
- 34.1001³ =
- 35.1006³ =
- 36.992³ =
- 37.988³ =
- 38.981³ =
- 39.999³ =
- 40.96³ =
Answer key
- 970299000
- 1295029
- 988047936
- 1027243729
- 804357
- 991026973
- 1225043
- 1259712
- 1295029
- 1012048064
- 941192
- 1259712
- 973242271
- 912673
- 1021147343
- 970299
- 1295029
- 912673
- 1259712
- 949862087
- 979146657
- 1030301
- 1030301
- 964430272
- 1058089859
- 955671625
- 1295029
- 1295029
- 753571
- 884736
- 985074875
- 1157625
- 961504803
- 1003003001
- 1018108216
- 976191488
- 964430272
- 944076141
- 997002999
- 884736
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