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
- 1.999³ =
- 2.993³ =
- 3.108³ =
- 4.1011³ =
- 5.998³ =
- 6.1018³ =
- 7.996³ =
- 8.990³ =
- 9.99³ =
- 10.96³ =
- 11.108³ =
- 12.1005³ =
- 13.93³ =
- 14.107³ =
- 15.988³ =
- 16.97³ =
- 17.108³ =
- 18.1012³ =
- 19.985³ =
- 20.992³ =
- 21.1018³ =
- 22.109³ =
- 23.994³ =
- 24.97³ =
- 25.94³ =
- 26.107³ =
- 27.99³ =
- 28.1015³ =
- 29.1008³ =
- 30.105³ =
- 31.95³ =
- 32.1020³ =
- 33.92³ =
- 34.999³ =
- 35.1001³ =
- 36.98³ =
- 37.101³ =
- 38.980³ =
- 39.101³ =
- 40.94³ =
Answer key
- 997002999
- 979146657
- 1259712
- 1033364331
- 994011992
- 1054977832
- 988047936
- 970299000
- 970299
- 884736
- 1259712
- 1015075125
- 804357
- 1225043
- 964430272
- 912673
- 1259712
- 1036433728
- 955671625
- 976191488
- 1054977832
- 1295029
- 982107784
- 912673
- 830584
- 1225043
- 970299
- 1045678375
- 1024192512
- 1157625
- 857375
- 1061208000
- 778688
- 997002999
- 1003003001
- 941192
- 1030301
- 941192000
- 1030301
- 830584
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