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
- 1.97³ =
- 2.109³ =
- 3.99³ =
- 4.1006³ =
- 5.93³ =
- 6.98³ =
- 7.998³ =
- 8.985³ =
- 9.99³ =
- 10.105³ =
- 11.994³ =
- 12.1013³ =
- 13.996³ =
- 14.95³ =
- 15.102³ =
- 16.980³ =
- 17.1004³ =
- 18.106³ =
- 19.1017³ =
- 20.1011³ =
- 21.1016³ =
- 22.98³ =
- 23.97³ =
- 24.993³ =
- 25.107³ =
- 26.101³ =
- 27.95³ =
- 28.105³ =
- 29.985³ =
- 30.107³ =
- 31.92³ =
- 32.92³ =
- 33.985³ =
- 34.983³ =
- 35.92³ =
- 36.108³ =
- 37.105³ =
- 38.93³ =
- 39.91³ =
- 40.96³ =
Answer key
- 912673
- 1295029
- 970299
- 1018108216
- 804357
- 941192
- 994011992
- 955671625
- 970299
- 1157625
- 982107784
- 1039509197
- 988047936
- 857375
- 1061208
- 941192000
- 1012048064
- 1191016
- 1051871913
- 1033364331
- 1048772096
- 941192
- 912673
- 979146657
- 1225043
- 1030301
- 857375
- 1157625
- 955671625
- 1225043
- 778688
- 778688
- 955671625
- 949862087
- 778688
- 1259712
- 1157625
- 804357
- 753571
- 884736
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