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 =
- 2.1013³ =
- 3.103³ =
- 4.990³ =
- 5.107³ =
- 6.1012³ =
- 7.1008³ =
- 8.109³ =
- 9.98³ =
- 10.97³ =
- 11.97³ =
- 12.1012³ =
- 13.95³ =
- 14.97³ =
- 15.93³ =
- 16.1015³ =
- 17.1011³ =
- 18.1010³ =
- 19.982³ =
- 20.982³ =
- 21.995³ =
- 22.995³ =
- 23.92³ =
- 24.109³ =
- 25.91³ =
- 26.994³ =
- 27.106³ =
- 28.109³ =
- 29.104³ =
- 30.999³ =
- 31.996³ =
- 32.92³ =
- 33.101³ =
- 34.983³ =
- 35.106³ =
- 36.107³ =
- 37.104³ =
- 38.981³ =
- 39.1004³ =
- 40.105³ =
Answer key
- 970299000
- 1039509197
- 1092727
- 970299000
- 1225043
- 1036433728
- 1024192512
- 1295029
- 941192
- 912673
- 912673
- 1036433728
- 857375
- 912673
- 804357
- 1045678375
- 1033364331
- 1030301000
- 946966168
- 946966168
- 985074875
- 985074875
- 778688
- 1295029
- 753571
- 982107784
- 1191016
- 1295029
- 1124864
- 997002999
- 988047936
- 778688
- 1030301
- 949862087
- 1191016
- 1225043
- 1124864
- 944076141
- 1012048064
- 1157625
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