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
- 1.991³ =
- 2.92³ =
- 3.1016³ =
- 4.1020³ =
- 5.1014³ =
- 6.1006³ =
- 7.985³ =
- 8.107³ =
- 9.981³ =
- 10.95³ =
- 11.1019³ =
- 12.1008³ =
- 13.1001³ =
- 14.94³ =
- 15.94³ =
- 16.998³ =
- 17.997³ =
- 18.982³ =
- 19.1008³ =
- 20.91³ =
- 21.101³ =
- 22.1014³ =
- 23.108³ =
- 24.993³ =
- 25.987³ =
- 26.1005³ =
- 27.1016³ =
- 28.92³ =
- 29.107³ =
- 30.989³ =
- 31.97³ =
- 32.992³ =
- 33.988³ =
- 34.997³ =
- 35.105³ =
- 36.109³ =
- 37.98³ =
- 38.93³ =
- 39.91³ =
- 40.999³ =
Answer key
- 973242271
- 778688
- 1048772096
- 1061208000
- 1042590744
- 1018108216
- 955671625
- 1225043
- 944076141
- 857375
- 1058089859
- 1024192512
- 1003003001
- 830584
- 830584
- 994011992
- 991026973
- 946966168
- 1024192512
- 753571
- 1030301
- 1042590744
- 1259712
- 979146657
- 961504803
- 1015075125
- 1048772096
- 778688
- 1225043
- 967361669
- 912673
- 976191488
- 964430272
- 991026973
- 1157625
- 1295029
- 941192
- 804357
- 753571
- 997002999
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