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
- 1.988³ =
- 2.1001³ =
- 3.1014³ =
- 4.1009³ =
- 5.109³ =
- 6.1005³ =
- 7.980³ =
- 8.1003³ =
- 9.102³ =
- 10.990³ =
- 11.103³ =
- 12.988³ =
- 13.991³ =
- 14.103³ =
- 15.99³ =
- 16.994³ =
- 17.1011³ =
- 18.999³ =
- 19.94³ =
- 20.99³ =
- 21.106³ =
- 22.102³ =
- 23.109³ =
- 24.101³ =
- 25.99³ =
- 26.95³ =
- 27.109³ =
- 28.1009³ =
- 29.995³ =
- 30.92³ =
- 31.103³ =
- 32.1020³ =
- 33.1017³ =
- 34.1016³ =
- 35.93³ =
- 36.93³ =
- 37.1005³ =
- 38.102³ =
- 39.995³ =
- 40.97³ =
Answer key
- 964430272
- 1003003001
- 1042590744
- 1027243729
- 1295029
- 1015075125
- 941192000
- 1009027027
- 1061208
- 970299000
- 1092727
- 964430272
- 973242271
- 1092727
- 970299
- 982107784
- 1033364331
- 997002999
- 830584
- 970299
- 1191016
- 1061208
- 1295029
- 1030301
- 970299
- 857375
- 1295029
- 1027243729
- 985074875
- 778688
- 1092727
- 1061208000
- 1051871913
- 1048772096
- 804357
- 804357
- 1015075125
- 1061208
- 985074875
- 912673
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