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
- 1.1018³ =
- 2.98³ =
- 3.93³ =
- 4.987³ =
- 5.986³ =
- 6.107³ =
- 7.101³ =
- 8.92³ =
- 9.92³ =
- 10.1009³ =
- 11.108³ =
- 12.988³ =
- 13.982³ =
- 14.983³ =
- 15.993³ =
- 16.107³ =
- 17.96³ =
- 18.997³ =
- 19.988³ =
- 20.99³ =
- 21.103³ =
- 22.982³ =
- 23.993³ =
- 24.101³ =
- 25.1006³ =
- 26.92³ =
- 27.96³ =
- 28.999³ =
- 29.103³ =
- 30.108³ =
- 31.994³ =
- 32.97³ =
- 33.97³ =
- 34.94³ =
- 35.91³ =
- 36.1008³ =
- 37.99³ =
- 38.94³ =
- 39.99³ =
- 40.104³ =
Answer key
- 1054977832
- 941192
- 804357
- 961504803
- 958585256
- 1225043
- 1030301
- 778688
- 778688
- 1027243729
- 1259712
- 964430272
- 946966168
- 949862087
- 979146657
- 1225043
- 884736
- 991026973
- 964430272
- 970299
- 1092727
- 946966168
- 979146657
- 1030301
- 1018108216
- 778688
- 884736
- 997002999
- 1092727
- 1259712
- 982107784
- 912673
- 912673
- 830584
- 753571
- 1024192512
- 970299
- 830584
- 970299
- 1124864
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