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
- 1.104³ =
- 2.985³ =
- 3.105³ =
- 4.1017³ =
- 5.998³ =
- 6.1015³ =
- 7.106³ =
- 8.1012³ =
- 9.107³ =
- 10.101³ =
- 11.1010³ =
- 12.109³ =
- 13.106³ =
- 14.97³ =
- 15.987³ =
- 16.1014³ =
- 17.1010³ =
- 18.99³ =
- 19.985³ =
- 20.102³ =
- 21.1016³ =
- 22.1020³ =
- 23.95³ =
- 24.98³ =
- 25.91³ =
- 26.1018³ =
- 27.985³ =
- 28.92³ =
- 29.91³ =
- 30.1002³ =
- 31.990³ =
- 32.104³ =
- 33.991³ =
- 34.98³ =
- 35.96³ =
- 36.989³ =
- 37.986³ =
- 38.981³ =
- 39.1005³ =
- 40.93³ =
Answer key
- 1124864
- 955671625
- 1157625
- 1051871913
- 994011992
- 1045678375
- 1191016
- 1036433728
- 1225043
- 1030301
- 1030301000
- 1295029
- 1191016
- 912673
- 961504803
- 1042590744
- 1030301000
- 970299
- 955671625
- 1061208
- 1048772096
- 1061208000
- 857375
- 941192
- 753571
- 1054977832
- 955671625
- 778688
- 753571
- 1006012008
- 970299000
- 1124864
- 973242271
- 941192
- 884736
- 967361669
- 958585256
- 944076141
- 1015075125
- 804357
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