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
- 1.105³ =
- 2.109³ =
- 3.108³ =
- 4.1018³ =
- 5.99³ =
- 6.987³ =
- 7.997³ =
- 8.106³ =
- 9.994³ =
- 10.1006³ =
- 11.103³ =
- 12.93³ =
- 13.991³ =
- 14.1015³ =
- 15.91³ =
- 16.93³ =
- 17.999³ =
- 18.997³ =
- 19.98³ =
- 20.106³ =
- 21.106³ =
- 22.95³ =
- 23.1007³ =
- 24.99³ =
- 25.990³ =
- 26.97³ =
- 27.108³ =
- 28.983³ =
- 29.95³ =
- 30.97³ =
- 31.980³ =
- 32.98³ =
- 33.1019³ =
- 34.993³ =
- 35.987³ =
- 36.97³ =
- 37.102³ =
- 38.995³ =
- 39.97³ =
- 40.983³ =
Answer key
- 1157625
- 1295029
- 1259712
- 1054977832
- 970299
- 961504803
- 991026973
- 1191016
- 982107784
- 1018108216
- 1092727
- 804357
- 973242271
- 1045678375
- 753571
- 804357
- 997002999
- 991026973
- 941192
- 1191016
- 1191016
- 857375
- 1021147343
- 970299
- 970299000
- 912673
- 1259712
- 949862087
- 857375
- 912673
- 941192000
- 941192
- 1058089859
- 979146657
- 961504803
- 912673
- 1061208
- 985074875
- 912673
- 949862087
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