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
- 1.107³ =
- 2.108³ =
- 3.989³ =
- 4.106³ =
- 5.986³ =
- 6.105³ =
- 7.988³ =
- 8.987³ =
- 9.1006³ =
- 10.981³ =
- 11.1001³ =
- 12.99³ =
- 13.105³ =
- 14.1002³ =
- 15.999³ =
- 16.1004³ =
- 17.108³ =
- 18.97³ =
- 19.97³ =
- 20.1019³ =
- 21.99³ =
- 22.91³ =
- 23.91³ =
- 24.1013³ =
- 25.999³ =
- 26.106³ =
- 27.981³ =
- 28.1006³ =
- 29.1009³ =
- 30.103³ =
- 31.980³ =
- 32.103³ =
- 33.105³ =
- 34.94³ =
- 35.105³ =
- 36.993³ =
- 37.982³ =
- 38.993³ =
- 39.91³ =
- 40.993³ =
Answer key
- 1225043
- 1259712
- 967361669
- 1191016
- 958585256
- 1157625
- 964430272
- 961504803
- 1018108216
- 944076141
- 1003003001
- 970299
- 1157625
- 1006012008
- 997002999
- 1012048064
- 1259712
- 912673
- 912673
- 1058089859
- 970299
- 753571
- 753571
- 1039509197
- 997002999
- 1191016
- 944076141
- 1018108216
- 1027243729
- 1092727
- 941192000
- 1092727
- 1157625
- 830584
- 1157625
- 979146657
- 946966168
- 979146657
- 753571
- 979146657
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