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
- 1.103³ =
- 2.1009³ =
- 3.1007³ =
- 4.92³ =
- 5.1017³ =
- 6.109³ =
- 7.94³ =
- 8.102³ =
- 9.986³ =
- 10.1011³ =
- 11.999³ =
- 12.999³ =
- 13.92³ =
- 14.92³ =
- 15.109³ =
- 16.108³ =
- 17.997³ =
- 18.991³ =
- 19.998³ =
- 20.109³ =
- 21.97³ =
- 22.99³ =
- 23.1001³ =
- 24.989³ =
- 25.993³ =
- 26.1006³ =
- 27.999³ =
- 28.91³ =
- 29.104³ =
- 30.108³ =
- 31.988³ =
- 32.96³ =
- 33.108³ =
- 34.981³ =
- 35.109³ =
- 36.92³ =
- 37.93³ =
- 38.982³ =
- 39.97³ =
- 40.103³ =
Answer key
- 1092727
- 1027243729
- 1021147343
- 778688
- 1051871913
- 1295029
- 830584
- 1061208
- 958585256
- 1033364331
- 997002999
- 997002999
- 778688
- 778688
- 1295029
- 1259712
- 991026973
- 973242271
- 994011992
- 1295029
- 912673
- 970299
- 1003003001
- 967361669
- 979146657
- 1018108216
- 997002999
- 753571
- 1124864
- 1259712
- 964430272
- 884736
- 1259712
- 944076141
- 1295029
- 778688
- 804357
- 946966168
- 912673
- 1092727
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