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
- 1.91³ =
- 2.96³ =
- 3.99³ =
- 4.994³ =
- 5.1016³ =
- 6.1009³ =
- 7.93³ =
- 8.96³ =
- 9.98³ =
- 10.105³ =
- 11.980³ =
- 12.1019³ =
- 13.101³ =
- 14.108³ =
- 15.93³ =
- 16.109³ =
- 17.103³ =
- 18.95³ =
- 19.109³ =
- 20.99³ =
- 21.1018³ =
- 22.992³ =
- 23.91³ =
- 24.1007³ =
- 25.1020³ =
- 26.91³ =
- 27.97³ =
- 28.106³ =
- 29.985³ =
- 30.991³ =
- 31.1003³ =
- 32.1007³ =
- 33.103³ =
- 34.94³ =
- 35.982³ =
- 36.97³ =
- 37.995³ =
- 38.98³ =
- 39.108³ =
- 40.984³ =
Answer key
- 753571
- 884736
- 970299
- 982107784
- 1048772096
- 1027243729
- 804357
- 884736
- 941192
- 1157625
- 941192000
- 1058089859
- 1030301
- 1259712
- 804357
- 1295029
- 1092727
- 857375
- 1295029
- 970299
- 1054977832
- 976191488
- 753571
- 1021147343
- 1061208000
- 753571
- 912673
- 1191016
- 955671625
- 973242271
- 1009027027
- 1021147343
- 1092727
- 830584
- 946966168
- 912673
- 985074875
- 941192
- 1259712
- 952763904
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