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
- 1.1020³ =
- 2.1005³ =
- 3.998³ =
- 4.98³ =
- 5.987³ =
- 6.98³ =
- 7.1016³ =
- 8.109³ =
- 9.1010³ =
- 10.93³ =
- 11.109³ =
- 12.99³ =
- 13.101³ =
- 14.986³ =
- 15.990³ =
- 16.97³ =
- 17.989³ =
- 18.92³ =
- 19.93³ =
- 20.1017³ =
- 21.99³ =
- 22.103³ =
- 23.981³ =
- 24.93³ =
- 25.97³ =
- 26.99³ =
- 27.95³ =
- 28.1007³ =
- 29.105³ =
- 30.102³ =
- 31.988³ =
- 32.994³ =
- 33.102³ =
- 34.99³ =
- 35.103³ =
- 36.98³ =
- 37.97³ =
- 38.93³ =
- 39.98³ =
- 40.982³ =
Answer key
- 1061208000
- 1015075125
- 994011992
- 941192
- 961504803
- 941192
- 1048772096
- 1295029
- 1030301000
- 804357
- 1295029
- 970299
- 1030301
- 958585256
- 970299000
- 912673
- 967361669
- 778688
- 804357
- 1051871913
- 970299
- 1092727
- 944076141
- 804357
- 912673
- 970299
- 857375
- 1021147343
- 1157625
- 1061208
- 964430272
- 982107784
- 1061208
- 970299
- 1092727
- 941192
- 912673
- 804357
- 941192
- 946966168
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