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
- 1.93³ =
- 2.91³ =
- 3.108³ =
- 4.1012³ =
- 5.983³ =
- 6.997³ =
- 7.995³ =
- 8.983³ =
- 9.1004³ =
- 10.1007³ =
- 11.109³ =
- 12.92³ =
- 13.103³ =
- 14.92³ =
- 15.101³ =
- 16.980³ =
- 17.108³ =
- 18.105³ =
- 19.95³ =
- 20.1002³ =
- 21.95³ =
- 22.1013³ =
- 23.990³ =
- 24.986³ =
- 25.99³ =
- 26.1017³ =
- 27.107³ =
- 28.996³ =
- 29.982³ =
- 30.91³ =
- 31.101³ =
- 32.97³ =
- 33.1001³ =
- 34.983³ =
- 35.108³ =
- 36.101³ =
- 37.99³ =
- 38.97³ =
- 39.101³ =
- 40.980³ =
Answer key
- 804357
- 753571
- 1259712
- 1036433728
- 949862087
- 991026973
- 985074875
- 949862087
- 1012048064
- 1021147343
- 1295029
- 778688
- 1092727
- 778688
- 1030301
- 941192000
- 1259712
- 1157625
- 857375
- 1006012008
- 857375
- 1039509197
- 970299000
- 958585256
- 970299
- 1051871913
- 1225043
- 988047936
- 946966168
- 753571
- 1030301
- 912673
- 1003003001
- 949862087
- 1259712
- 1030301
- 970299
- 912673
- 1030301
- 941192000
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