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
- 1.92³ =
- 2.984³ =
- 3.109³ =
- 4.989³ =
- 5.1003³ =
- 6.1019³ =
- 7.1020³ =
- 8.102³ =
- 9.95³ =
- 10.91³ =
- 11.988³ =
- 12.92³ =
- 13.990³ =
- 14.95³ =
- 15.101³ =
- 16.1019³ =
- 17.1016³ =
- 18.1016³ =
- 19.1002³ =
- 20.96³ =
- 21.985³ =
- 22.105³ =
- 23.994³ =
- 24.109³ =
- 25.988³ =
- 26.98³ =
- 27.95³ =
- 28.105³ =
- 29.104³ =
- 30.989³ =
- 31.1007³ =
- 32.1008³ =
- 33.94³ =
- 34.103³ =
- 35.982³ =
- 36.980³ =
- 37.987³ =
- 38.106³ =
- 39.96³ =
- 40.91³ =
Answer key
- 778688
- 952763904
- 1295029
- 967361669
- 1009027027
- 1058089859
- 1061208000
- 1061208
- 857375
- 753571
- 964430272
- 778688
- 970299000
- 857375
- 1030301
- 1058089859
- 1048772096
- 1048772096
- 1006012008
- 884736
- 955671625
- 1157625
- 982107784
- 1295029
- 964430272
- 941192
- 857375
- 1157625
- 1124864
- 967361669
- 1021147343
- 1024192512
- 830584
- 1092727
- 946966168
- 941192000
- 961504803
- 1191016
- 884736
- 753571
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