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
- 1.99³ =
- 2.1011³ =
- 3.991³ =
- 4.1019³ =
- 5.97³ =
- 6.983³ =
- 7.1003³ =
- 8.1014³ =
- 9.109³ =
- 10.985³ =
- 11.94³ =
- 12.96³ =
- 13.1013³ =
- 14.104³ =
- 15.1016³ =
- 16.996³ =
- 17.107³ =
- 18.1012³ =
- 19.984³ =
- 20.109³ =
- 21.984³ =
- 22.96³ =
- 23.993³ =
- 24.1007³ =
- 25.990³ =
- 26.93³ =
- 27.987³ =
- 28.96³ =
- 29.999³ =
- 30.1012³ =
- 31.99³ =
- 32.107³ =
- 33.95³ =
- 34.91³ =
- 35.1017³ =
- 36.1012³ =
- 37.987³ =
- 38.98³ =
- 39.989³ =
- 40.1006³ =
Answer key
- 970299
- 1033364331
- 973242271
- 1058089859
- 912673
- 949862087
- 1009027027
- 1042590744
- 1295029
- 955671625
- 830584
- 884736
- 1039509197
- 1124864
- 1048772096
- 988047936
- 1225043
- 1036433728
- 952763904
- 1295029
- 952763904
- 884736
- 979146657
- 1021147343
- 970299000
- 804357
- 961504803
- 884736
- 997002999
- 1036433728
- 970299
- 1225043
- 857375
- 753571
- 1051871913
- 1036433728
- 961504803
- 941192
- 967361669
- 1018108216
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