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
- 1.108³ =
- 2.987³ =
- 3.990³ =
- 4.105³ =
- 5.991³ =
- 6.996³ =
- 7.109³ =
- 8.98³ =
- 9.106³ =
- 10.99³ =
- 11.107³ =
- 12.1012³ =
- 13.91³ =
- 14.91³ =
- 15.1019³ =
- 16.105³ =
- 17.102³ =
- 18.99³ =
- 19.99³ =
- 20.981³ =
- 21.103³ =
- 22.96³ =
- 23.98³ =
- 24.101³ =
- 25.986³ =
- 26.104³ =
- 27.104³ =
- 28.997³ =
- 29.1005³ =
- 30.99³ =
- 31.982³ =
- 32.992³ =
- 33.108³ =
- 34.1009³ =
- 35.1019³ =
- 36.1002³ =
- 37.995³ =
- 38.1012³ =
- 39.989³ =
- 40.997³ =
Answer key
- 1259712
- 961504803
- 970299000
- 1157625
- 973242271
- 988047936
- 1295029
- 941192
- 1191016
- 970299
- 1225043
- 1036433728
- 753571
- 753571
- 1058089859
- 1157625
- 1061208
- 970299
- 970299
- 944076141
- 1092727
- 884736
- 941192
- 1030301
- 958585256
- 1124864
- 1124864
- 991026973
- 1015075125
- 970299
- 946966168
- 976191488
- 1259712
- 1027243729
- 1058089859
- 1006012008
- 985074875
- 1036433728
- 967361669
- 991026973
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