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
- 1.990³ =
- 2.106³ =
- 3.994³ =
- 4.1016³ =
- 5.984³ =
- 6.990³ =
- 7.94³ =
- 8.91³ =
- 9.98³ =
- 10.103³ =
- 11.103³ =
- 12.106³ =
- 13.95³ =
- 14.1013³ =
- 15.91³ =
- 16.988³ =
- 17.995³ =
- 18.108³ =
- 19.983³ =
- 20.101³ =
- 21.94³ =
- 22.98³ =
- 23.985³ =
- 24.99³ =
- 25.999³ =
- 26.982³ =
- 27.105³ =
- 28.97³ =
- 29.95³ =
- 30.107³ =
- 31.103³ =
- 32.997³ =
- 33.96³ =
- 34.1008³ =
- 35.94³ =
- 36.1016³ =
- 37.1020³ =
- 38.105³ =
- 39.97³ =
- 40.109³ =
Answer key
- 970299000
- 1191016
- 982107784
- 1048772096
- 952763904
- 970299000
- 830584
- 753571
- 941192
- 1092727
- 1092727
- 1191016
- 857375
- 1039509197
- 753571
- 964430272
- 985074875
- 1259712
- 949862087
- 1030301
- 830584
- 941192
- 955671625
- 970299
- 997002999
- 946966168
- 1157625
- 912673
- 857375
- 1225043
- 1092727
- 991026973
- 884736
- 1024192512
- 830584
- 1048772096
- 1061208000
- 1157625
- 912673
- 1295029
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