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
- 1.987³ =
- 2.102³ =
- 3.92³ =
- 4.96³ =
- 5.109³ =
- 6.1018³ =
- 7.108³ =
- 8.989³ =
- 9.1003³ =
- 10.999³ =
- 11.99³ =
- 12.980³ =
- 13.108³ =
- 14.95³ =
- 15.990³ =
- 16.94³ =
- 17.1017³ =
- 18.106³ =
- 19.1012³ =
- 20.106³ =
- 21.999³ =
- 22.92³ =
- 23.107³ =
- 24.1001³ =
- 25.1013³ =
- 26.102³ =
- 27.108³ =
- 28.106³ =
- 29.1001³ =
- 30.108³ =
- 31.98³ =
- 32.98³ =
- 33.101³ =
- 34.93³ =
- 35.98³ =
- 36.98³ =
- 37.94³ =
- 38.991³ =
- 39.107³ =
- 40.1004³ =
Answer key
- 961504803
- 1061208
- 778688
- 884736
- 1295029
- 1054977832
- 1259712
- 967361669
- 1009027027
- 997002999
- 970299
- 941192000
- 1259712
- 857375
- 970299000
- 830584
- 1051871913
- 1191016
- 1036433728
- 1191016
- 997002999
- 778688
- 1225043
- 1003003001
- 1039509197
- 1061208
- 1259712
- 1191016
- 1003003001
- 1259712
- 941192
- 941192
- 1030301
- 804357
- 941192
- 941192
- 830584
- 973242271
- 1225043
- 1012048064
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