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
- 1.1018³ =
- 2.94³ =
- 3.101³ =
- 4.94³ =
- 5.99³ =
- 6.95³ =
- 7.102³ =
- 8.1009³ =
- 9.990³ =
- 10.992³ =
- 11.92³ =
- 12.996³ =
- 13.998³ =
- 14.1002³ =
- 15.1015³ =
- 16.101³ =
- 17.96³ =
- 18.105³ =
- 19.92³ =
- 20.1013³ =
- 21.1006³ =
- 22.997³ =
- 23.996³ =
- 24.999³ =
- 25.98³ =
- 26.101³ =
- 27.95³ =
- 28.92³ =
- 29.101³ =
- 30.94³ =
- 31.101³ =
- 32.990³ =
- 33.107³ =
- 34.1002³ =
- 35.994³ =
- 36.93³ =
- 37.991³ =
- 38.109³ =
- 39.97³ =
- 40.95³ =
Answer key
- 1054977832
- 830584
- 1030301
- 830584
- 970299
- 857375
- 1061208
- 1027243729
- 970299000
- 976191488
- 778688
- 988047936
- 994011992
- 1006012008
- 1045678375
- 1030301
- 884736
- 1157625
- 778688
- 1039509197
- 1018108216
- 991026973
- 988047936
- 997002999
- 941192
- 1030301
- 857375
- 778688
- 1030301
- 830584
- 1030301
- 970299000
- 1225043
- 1006012008
- 982107784
- 804357
- 973242271
- 1295029
- 912673
- 857375
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