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
- 1.986³ =
- 2.104³ =
- 3.107³ =
- 4.103³ =
- 5.1001³ =
- 6.103³ =
- 7.94³ =
- 8.1015³ =
- 9.102³ =
- 10.985³ =
- 11.104³ =
- 12.988³ =
- 13.991³ =
- 14.984³ =
- 15.98³ =
- 16.107³ =
- 17.995³ =
- 18.989³ =
- 19.93³ =
- 20.102³ =
- 21.1016³ =
- 22.93³ =
- 23.99³ =
- 24.994³ =
- 25.106³ =
- 26.1006³ =
- 27.107³ =
- 28.981³ =
- 29.999³ =
- 30.99³ =
- 31.95³ =
- 32.108³ =
- 33.96³ =
- 34.94³ =
- 35.990³ =
- 36.1005³ =
- 37.983³ =
- 38.1005³ =
- 39.985³ =
- 40.999³ =
Answer key
- 958585256
- 1124864
- 1225043
- 1092727
- 1003003001
- 1092727
- 830584
- 1045678375
- 1061208
- 955671625
- 1124864
- 964430272
- 973242271
- 952763904
- 941192
- 1225043
- 985074875
- 967361669
- 804357
- 1061208
- 1048772096
- 804357
- 970299
- 982107784
- 1191016
- 1018108216
- 1225043
- 944076141
- 997002999
- 970299
- 857375
- 1259712
- 884736
- 830584
- 970299000
- 1015075125
- 949862087
- 1015075125
- 955671625
- 997002999
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