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
- 1.981³ =
- 2.995³ =
- 3.93³ =
- 4.999³ =
- 5.1001³ =
- 6.1010³ =
- 7.995³ =
- 8.109³ =
- 9.93³ =
- 10.103³ =
- 11.994³ =
- 12.97³ =
- 13.107³ =
- 14.1009³ =
- 15.99³ =
- 16.1016³ =
- 17.103³ =
- 18.998³ =
- 19.1006³ =
- 20.105³ =
- 21.98³ =
- 22.105³ =
- 23.103³ =
- 24.99³ =
- 25.99³ =
- 26.94³ =
- 27.93³ =
- 28.95³ =
- 29.107³ =
- 30.980³ =
- 31.94³ =
- 32.994³ =
- 33.1014³ =
- 34.109³ =
- 35.96³ =
- 36.1003³ =
- 37.94³ =
- 38.92³ =
- 39.98³ =
- 40.98³ =
Answer key
- 944076141
- 985074875
- 804357
- 997002999
- 1003003001
- 1030301000
- 985074875
- 1295029
- 804357
- 1092727
- 982107784
- 912673
- 1225043
- 1027243729
- 970299
- 1048772096
- 1092727
- 994011992
- 1018108216
- 1157625
- 941192
- 1157625
- 1092727
- 970299
- 970299
- 830584
- 804357
- 857375
- 1225043
- 941192000
- 830584
- 982107784
- 1042590744
- 1295029
- 884736
- 1009027027
- 830584
- 778688
- 941192
- 941192
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