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
- 1.1004³ =
- 2.997³ =
- 3.989³ =
- 4.1001³ =
- 5.95³ =
- 6.105³ =
- 7.92³ =
- 8.109³ =
- 9.102³ =
- 10.101³ =
- 11.986³ =
- 12.98³ =
- 13.102³ =
- 14.1008³ =
- 15.1011³ =
- 16.104³ =
- 17.1009³ =
- 18.1008³ =
- 19.105³ =
- 20.981³ =
- 21.987³ =
- 22.93³ =
- 23.91³ =
- 24.1005³ =
- 25.987³ =
- 26.103³ =
- 27.1005³ =
- 28.93³ =
- 29.99³ =
- 30.104³ =
- 31.1011³ =
- 32.92³ =
- 33.1016³ =
- 34.997³ =
- 35.107³ =
- 36.981³ =
- 37.101³ =
- 38.109³ =
- 39.101³ =
- 40.991³ =
Answer key
- 1012048064
- 991026973
- 967361669
- 1003003001
- 857375
- 1157625
- 778688
- 1295029
- 1061208
- 1030301
- 958585256
- 941192
- 1061208
- 1024192512
- 1033364331
- 1124864
- 1027243729
- 1024192512
- 1157625
- 944076141
- 961504803
- 804357
- 753571
- 1015075125
- 961504803
- 1092727
- 1015075125
- 804357
- 970299
- 1124864
- 1033364331
- 778688
- 1048772096
- 991026973
- 1225043
- 944076141
- 1030301
- 1295029
- 1030301
- 973242271
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