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
- 1.988³ =
- 2.990³ =
- 3.986³ =
- 4.1017³ =
- 5.994³ =
- 6.91³ =
- 7.994³ =
- 8.985³ =
- 9.998³ =
- 10.108³ =
- 11.95³ =
- 12.999³ =
- 13.99³ =
- 14.981³ =
- 15.101³ =
- 16.103³ =
- 17.95³ =
- 18.94³ =
- 19.996³ =
- 20.107³ =
- 21.105³ =
- 22.103³ =
- 23.106³ =
- 24.989³ =
- 25.94³ =
- 26.101³ =
- 27.999³ =
- 28.997³ =
- 29.986³ =
- 30.97³ =
- 31.98³ =
- 32.1004³ =
- 33.102³ =
- 34.1010³ =
- 35.988³ =
- 36.1003³ =
- 37.109³ =
- 38.993³ =
- 39.991³ =
- 40.99³ =
Answer key
- 964430272
- 970299000
- 958585256
- 1051871913
- 982107784
- 753571
- 982107784
- 955671625
- 994011992
- 1259712
- 857375
- 997002999
- 970299
- 944076141
- 1030301
- 1092727
- 857375
- 830584
- 988047936
- 1225043
- 1157625
- 1092727
- 1191016
- 967361669
- 830584
- 1030301
- 997002999
- 991026973
- 958585256
- 912673
- 941192
- 1012048064
- 1061208
- 1030301000
- 964430272
- 1009027027
- 1295029
- 979146657
- 973242271
- 970299
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