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 =
- 2.981³ =
- 3.91³ =
- 4.1015³ =
- 5.987³ =
- 6.105³ =
- 7.97³ =
- 8.99³ =
- 9.1018³ =
- 10.995³ =
- 11.995³ =
- 12.991³ =
- 13.105³ =
- 14.91³ =
- 15.1007³ =
- 16.107³ =
- 17.1003³ =
- 18.97³ =
- 19.1002³ =
- 20.109³ =
- 21.108³ =
- 22.1019³ =
- 23.94³ =
- 24.1003³ =
- 25.108³ =
- 26.997³ =
- 27.105³ =
- 28.106³ =
- 29.983³ =
- 30.101³ =
- 31.95³ =
- 32.93³ =
- 33.92³ =
- 34.983³ =
- 35.987³ =
- 36.98³ =
- 37.1002³ =
- 38.109³ =
- 39.101³ =
- 40.982³ =
Answer key
- 991026973
- 944076141
- 753571
- 1045678375
- 961504803
- 1157625
- 912673
- 970299
- 1054977832
- 985074875
- 985074875
- 973242271
- 1157625
- 753571
- 1021147343
- 1225043
- 1009027027
- 912673
- 1006012008
- 1295029
- 1259712
- 1058089859
- 830584
- 1009027027
- 1259712
- 991026973
- 1157625
- 1191016
- 949862087
- 1030301
- 857375
- 804357
- 778688
- 949862087
- 961504803
- 941192
- 1006012008
- 1295029
- 1030301
- 946966168
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