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
- 1.1018³ =
- 2.91³ =
- 3.994³ =
- 4.981³ =
- 5.94³ =
- 6.988³ =
- 7.101³ =
- 8.101³ =
- 9.94³ =
- 10.101³ =
- 11.1005³ =
- 12.983³ =
- 13.103³ =
- 14.98³ =
- 15.1004³ =
- 16.96³ =
- 17.94³ =
- 18.93³ =
- 19.98³ =
- 20.107³ =
- 21.98³ =
- 22.988³ =
- 23.97³ =
- 24.1019³ =
- 25.101³ =
- 26.103³ =
- 27.98³ =
- 28.105³ =
- 29.1011³ =
- 30.95³ =
- 31.981³ =
- 32.1003³ =
- 33.986³ =
- 34.92³ =
- 35.1017³ =
- 36.997³ =
- 37.109³ =
- 38.94³ =
- 39.109³ =
- 40.999³ =
Answer key
- 1054977832
- 753571
- 982107784
- 944076141
- 830584
- 964430272
- 1030301
- 1030301
- 830584
- 1030301
- 1015075125
- 949862087
- 1092727
- 941192
- 1012048064
- 884736
- 830584
- 804357
- 941192
- 1225043
- 941192
- 964430272
- 912673
- 1058089859
- 1030301
- 1092727
- 941192
- 1157625
- 1033364331
- 857375
- 944076141
- 1009027027
- 958585256
- 778688
- 1051871913
- 991026973
- 1295029
- 830584
- 1295029
- 997002999
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