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
- 1.985³ =
- 2.91³ =
- 3.104³ =
- 4.105³ =
- 5.98³ =
- 6.103³ =
- 7.992³ =
- 8.1017³ =
- 9.992³ =
- 10.988³ =
- 11.1013³ =
- 12.103³ =
- 13.993³ =
- 14.991³ =
- 15.1001³ =
- 16.995³ =
- 17.987³ =
- 18.103³ =
- 19.99³ =
- 20.997³ =
- 21.980³ =
- 22.1016³ =
- 23.990³ =
- 24.1018³ =
- 25.992³ =
- 26.108³ =
- 27.1016³ =
- 28.1018³ =
- 29.1005³ =
- 30.105³ =
- 31.98³ =
- 32.103³ =
- 33.1012³ =
- 34.1017³ =
- 35.92³ =
- 36.989³ =
- 37.97³ =
- 38.95³ =
- 39.993³ =
- 40.990³ =
Answer key
- 955671625
- 753571
- 1124864
- 1157625
- 941192
- 1092727
- 976191488
- 1051871913
- 976191488
- 964430272
- 1039509197
- 1092727
- 979146657
- 973242271
- 1003003001
- 985074875
- 961504803
- 1092727
- 970299
- 991026973
- 941192000
- 1048772096
- 970299000
- 1054977832
- 976191488
- 1259712
- 1048772096
- 1054977832
- 1015075125
- 1157625
- 941192
- 1092727
- 1036433728
- 1051871913
- 778688
- 967361669
- 912673
- 857375
- 979146657
- 970299000
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