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
- 1.102³ =
- 2.981³ =
- 3.1007³ =
- 4.1005³ =
- 5.105³ =
- 6.106³ =
- 7.999³ =
- 8.93³ =
- 9.101³ =
- 10.95³ =
- 11.95³ =
- 12.99³ =
- 13.105³ =
- 14.988³ =
- 15.105³ =
- 16.93³ =
- 17.107³ =
- 18.1004³ =
- 19.1019³ =
- 20.95³ =
- 21.99³ =
- 22.999³ =
- 23.105³ =
- 24.999³ =
- 25.980³ =
- 26.97³ =
- 27.999³ =
- 28.103³ =
- 29.985³ =
- 30.109³ =
- 31.101³ =
- 32.1005³ =
- 33.997³ =
- 34.988³ =
- 35.996³ =
- 36.92³ =
- 37.95³ =
- 38.1012³ =
- 39.1002³ =
- 40.1005³ =
Answer key
- 1061208
- 944076141
- 1021147343
- 1015075125
- 1157625
- 1191016
- 997002999
- 804357
- 1030301
- 857375
- 857375
- 970299
- 1157625
- 964430272
- 1157625
- 804357
- 1225043
- 1012048064
- 1058089859
- 857375
- 970299
- 997002999
- 1157625
- 997002999
- 941192000
- 912673
- 997002999
- 1092727
- 955671625
- 1295029
- 1030301
- 1015075125
- 991026973
- 964430272
- 988047936
- 778688
- 857375
- 1036433728
- 1006012008
- 1015075125
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