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
- 1.993³ =
- 2.988³ =
- 3.982³ =
- 4.108³ =
- 5.97³ =
- 6.106³ =
- 7.989³ =
- 8.95³ =
- 9.109³ =
- 10.981³ =
- 11.92³ =
- 12.1002³ =
- 13.992³ =
- 14.984³ =
- 15.95³ =
- 16.93³ =
- 17.92³ =
- 18.1005³ =
- 19.98³ =
- 20.99³ =
- 21.104³ =
- 22.1011³ =
- 23.98³ =
- 24.96³ =
- 25.97³ =
- 26.109³ =
- 27.98³ =
- 28.105³ =
- 29.989³ =
- 30.92³ =
- 31.108³ =
- 32.92³ =
- 33.106³ =
- 34.990³ =
- 35.985³ =
- 36.93³ =
- 37.93³ =
- 38.1016³ =
- 39.91³ =
- 40.1009³ =
Answer key
- 979146657
- 964430272
- 946966168
- 1259712
- 912673
- 1191016
- 967361669
- 857375
- 1295029
- 944076141
- 778688
- 1006012008
- 976191488
- 952763904
- 857375
- 804357
- 778688
- 1015075125
- 941192
- 970299
- 1124864
- 1033364331
- 941192
- 884736
- 912673
- 1295029
- 941192
- 1157625
- 967361669
- 778688
- 1259712
- 778688
- 1191016
- 970299000
- 955671625
- 804357
- 804357
- 1048772096
- 753571
- 1027243729
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