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
- 1.980³ =
- 2.98³ =
- 3.92³ =
- 4.987³ =
- 5.97³ =
- 6.987³ =
- 7.101³ =
- 8.995³ =
- 9.994³ =
- 10.99³ =
- 11.99³ =
- 12.106³ =
- 13.994³ =
- 14.109³ =
- 15.107³ =
- 16.992³ =
- 17.103³ =
- 18.101³ =
- 19.1015³ =
- 20.104³ =
- 21.97³ =
- 22.99³ =
- 23.988³ =
- 24.97³ =
- 25.109³ =
- 26.1018³ =
- 27.996³ =
- 28.1003³ =
- 29.96³ =
- 30.991³ =
- 31.92³ =
- 32.92³ =
- 33.105³ =
- 34.106³ =
- 35.985³ =
- 36.998³ =
- 37.1003³ =
- 38.93³ =
- 39.102³ =
- 40.995³ =
Answer key
- 941192000
- 941192
- 778688
- 961504803
- 912673
- 961504803
- 1030301
- 985074875
- 982107784
- 970299
- 970299
- 1191016
- 982107784
- 1295029
- 1225043
- 976191488
- 1092727
- 1030301
- 1045678375
- 1124864
- 912673
- 970299
- 964430272
- 912673
- 1295029
- 1054977832
- 988047936
- 1009027027
- 884736
- 973242271
- 778688
- 778688
- 1157625
- 1191016
- 955671625
- 994011992
- 1009027027
- 804357
- 1061208
- 985074875
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