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 =
- 2.989³ =
- 3.93³ =
- 4.992³ =
- 5.105³ =
- 6.106³ =
- 7.1004³ =
- 8.996³ =
- 9.92³ =
- 10.95³ =
- 11.109³ =
- 12.91³ =
- 13.996³ =
- 14.93³ =
- 15.103³ =
- 16.987³ =
- 17.995³ =
- 18.92³ =
- 19.1004³ =
- 20.1005³ =
- 21.1003³ =
- 22.95³ =
- 23.997³ =
- 24.991³ =
- 25.996³ =
- 26.102³ =
- 27.103³ =
- 28.987³ =
- 29.96³ =
- 30.994³ =
- 31.101³ =
- 32.1004³ =
- 33.96³ =
- 34.999³ =
- 35.92³ =
- 36.101³ =
- 37.105³ =
- 38.103³ =
- 39.105³ =
- 40.92³ =
Answer key
- 1157625
- 967361669
- 804357
- 976191488
- 1157625
- 1191016
- 1012048064
- 988047936
- 778688
- 857375
- 1295029
- 753571
- 988047936
- 804357
- 1092727
- 961504803
- 985074875
- 778688
- 1012048064
- 1015075125
- 1009027027
- 857375
- 991026973
- 973242271
- 988047936
- 1061208
- 1092727
- 961504803
- 884736
- 982107784
- 1030301
- 1012048064
- 884736
- 997002999
- 778688
- 1030301
- 1157625
- 1092727
- 1157625
- 778688
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