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
- 1.989³ =
- 2.1011³ =
- 3.102³ =
- 4.1016³ =
- 5.108³ =
- 6.980³ =
- 7.987³ =
- 8.92³ =
- 9.101³ =
- 10.92³ =
- 11.108³ =
- 12.996³ =
- 13.94³ =
- 14.994³ =
- 15.1004³ =
- 16.990³ =
- 17.105³ =
- 18.999³ =
- 19.999³ =
- 20.980³ =
- 21.108³ =
- 22.104³ =
- 23.97³ =
- 24.101³ =
- 25.1015³ =
- 26.998³ =
- 27.105³ =
- 28.95³ =
- 29.1004³ =
- 30.99³ =
- 31.109³ =
- 32.99³ =
- 33.991³ =
- 34.108³ =
- 35.997³ =
- 36.94³ =
- 37.102³ =
- 38.94³ =
- 39.93³ =
- 40.97³ =
Answer key
- 967361669
- 1033364331
- 1061208
- 1048772096
- 1259712
- 941192000
- 961504803
- 778688
- 1030301
- 778688
- 1259712
- 988047936
- 830584
- 982107784
- 1012048064
- 970299000
- 1157625
- 997002999
- 997002999
- 941192000
- 1259712
- 1124864
- 912673
- 1030301
- 1045678375
- 994011992
- 1157625
- 857375
- 1012048064
- 970299
- 1295029
- 970299
- 973242271
- 1259712
- 991026973
- 830584
- 1061208
- 830584
- 804357
- 912673
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