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
- 1.993³ =
- 2.107³ =
- 3.987³ =
- 4.106³ =
- 5.95³ =
- 6.91³ =
- 7.1016³ =
- 8.108³ =
- 9.980³ =
- 10.103³ =
- 11.1008³ =
- 12.97³ =
- 13.91³ =
- 14.1002³ =
- 15.99³ =
- 16.101³ =
- 17.109³ =
- 18.109³ =
- 19.1004³ =
- 20.99³ =
- 21.997³ =
- 22.988³ =
- 23.91³ =
- 24.107³ =
- 25.97³ =
- 26.992³ =
- 27.94³ =
- 28.1003³ =
- 29.92³ =
- 30.985³ =
- 31.1014³ =
- 32.1007³ =
- 33.98³ =
- 34.988³ =
- 35.97³ =
- 36.95³ =
- 37.1005³ =
- 38.995³ =
- 39.105³ =
- 40.980³ =
Answer key
- 979146657
- 1225043
- 961504803
- 1191016
- 857375
- 753571
- 1048772096
- 1259712
- 941192000
- 1092727
- 1024192512
- 912673
- 753571
- 1006012008
- 970299
- 1030301
- 1295029
- 1295029
- 1012048064
- 970299
- 991026973
- 964430272
- 753571
- 1225043
- 912673
- 976191488
- 830584
- 1009027027
- 778688
- 955671625
- 1042590744
- 1021147343
- 941192
- 964430272
- 912673
- 857375
- 1015075125
- 985074875
- 1157625
- 941192000
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