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 =
- 2.91³ =
- 3.109³ =
- 4.99³ =
- 5.1001³ =
- 6.107³ =
- 7.1004³ =
- 8.986³ =
- 9.1016³ =
- 10.1004³ =
- 11.999³ =
- 12.97³ =
- 13.94³ =
- 14.95³ =
- 15.1003³ =
- 16.1009³ =
- 17.93³ =
- 18.994³ =
- 19.995³ =
- 20.105³ =
- 21.1008³ =
- 22.99³ =
- 23.1002³ =
- 24.103³ =
- 25.105³ =
- 26.93³ =
- 27.1015³ =
- 28.987³ =
- 29.106³ =
- 30.99³ =
- 31.1012³ =
- 32.92³ =
- 33.985³ =
- 34.92³ =
- 35.96³ =
- 36.92³ =
- 37.103³ =
- 38.108³ =
- 39.986³ =
- 40.1009³ =
Answer key
- 991026973
- 753571
- 1295029
- 970299
- 1003003001
- 1225043
- 1012048064
- 958585256
- 1048772096
- 1012048064
- 997002999
- 912673
- 830584
- 857375
- 1009027027
- 1027243729
- 804357
- 982107784
- 985074875
- 1157625
- 1024192512
- 970299
- 1006012008
- 1092727
- 1157625
- 804357
- 1045678375
- 961504803
- 1191016
- 970299
- 1036433728
- 778688
- 955671625
- 778688
- 884736
- 778688
- 1092727
- 1259712
- 958585256
- 1027243729
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