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
- 1.985³ =
- 2.999³ =
- 3.98³ =
- 4.993³ =
- 5.987³ =
- 6.103³ =
- 7.1004³ =
- 8.990³ =
- 9.105³ =
- 10.99³ =
- 11.1018³ =
- 12.1009³ =
- 13.987³ =
- 14.96³ =
- 15.1002³ =
- 16.96³ =
- 17.91³ =
- 18.109³ =
- 19.91³ =
- 20.108³ =
- 21.107³ =
- 22.96³ =
- 23.98³ =
- 24.94³ =
- 25.95³ =
- 26.989³ =
- 27.999³ =
- 28.104³ =
- 29.92³ =
- 30.995³ =
- 31.988³ =
- 32.1005³ =
- 33.1011³ =
- 34.104³ =
- 35.95³ =
- 36.95³ =
- 37.1013³ =
- 38.983³ =
- 39.103³ =
- 40.106³ =
Answer key
- 955671625
- 997002999
- 941192
- 979146657
- 961504803
- 1092727
- 1012048064
- 970299000
- 1157625
- 970299
- 1054977832
- 1027243729
- 961504803
- 884736
- 1006012008
- 884736
- 753571
- 1295029
- 753571
- 1259712
- 1225043
- 884736
- 941192
- 830584
- 857375
- 967361669
- 997002999
- 1124864
- 778688
- 985074875
- 964430272
- 1015075125
- 1033364331
- 1124864
- 857375
- 857375
- 1039509197
- 949862087
- 1092727
- 1191016
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