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
- 1.997³ =
- 2.1014³ =
- 3.1006³ =
- 4.980³ =
- 5.108³ =
- 6.95³ =
- 7.104³ =
- 8.107³ =
- 9.985³ =
- 10.97³ =
- 11.99³ =
- 12.98³ =
- 13.1002³ =
- 14.987³ =
- 15.1013³ =
- 16.105³ =
- 17.106³ =
- 18.91³ =
- 19.1015³ =
- 20.107³ =
- 21.108³ =
- 22.997³ =
- 23.991³ =
- 24.102³ =
- 25.99³ =
- 26.103³ =
- 27.1013³ =
- 28.997³ =
- 29.109³ =
- 30.1008³ =
- 31.94³ =
- 32.102³ =
- 33.104³ =
- 34.99³ =
- 35.94³ =
- 36.109³ =
- 37.1020³ =
- 38.983³ =
- 39.107³ =
- 40.990³ =
Answer key
- 991026973
- 1042590744
- 1018108216
- 941192000
- 1259712
- 857375
- 1124864
- 1225043
- 955671625
- 912673
- 970299
- 941192
- 1006012008
- 961504803
- 1039509197
- 1157625
- 1191016
- 753571
- 1045678375
- 1225043
- 1259712
- 991026973
- 973242271
- 1061208
- 970299
- 1092727
- 1039509197
- 991026973
- 1295029
- 1024192512
- 830584
- 1061208
- 1124864
- 970299
- 830584
- 1295029
- 1061208000
- 949862087
- 1225043
- 970299000
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