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
- 1.988³ =
- 2.985³ =
- 3.980³ =
- 4.1011³ =
- 5.981³ =
- 6.1012³ =
- 7.102³ =
- 8.91³ =
- 9.983³ =
- 10.91³ =
- 11.995³ =
- 12.1014³ =
- 13.984³ =
- 14.1003³ =
- 15.1013³ =
- 16.102³ =
- 17.993³ =
- 18.108³ =
- 19.1020³ =
- 20.988³ =
- 21.98³ =
- 22.102³ =
- 23.99³ =
- 24.985³ =
- 25.1011³ =
- 26.990³ =
- 27.106³ =
- 28.981³ =
- 29.95³ =
- 30.985³ =
- 31.105³ =
- 32.103³ =
- 33.989³ =
- 34.984³ =
- 35.1011³ =
- 36.988³ =
- 37.99³ =
- 38.1005³ =
- 39.1018³ =
- 40.1001³ =
Answer key
- 964430272
- 955671625
- 941192000
- 1033364331
- 944076141
- 1036433728
- 1061208
- 753571
- 949862087
- 753571
- 985074875
- 1042590744
- 952763904
- 1009027027
- 1039509197
- 1061208
- 979146657
- 1259712
- 1061208000
- 964430272
- 941192
- 1061208
- 970299
- 955671625
- 1033364331
- 970299000
- 1191016
- 944076141
- 857375
- 955671625
- 1157625
- 1092727
- 967361669
- 952763904
- 1033364331
- 964430272
- 970299
- 1015075125
- 1054977832
- 1003003001
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