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
- 1.997³ =
- 2.998³ =
- 3.986³ =
- 4.994³ =
- 5.985³ =
- 6.99³ =
- 7.99³ =
- 8.103³ =
- 9.990³ =
- 10.105³ =
- 11.92³ =
- 12.1012³ =
- 13.102³ =
- 14.996³ =
- 15.987³ =
- 16.1006³ =
- 17.97³ =
- 18.108³ =
- 19.94³ =
- 20.994³ =
- 21.96³ =
- 22.988³ =
- 23.105³ =
- 24.95³ =
- 25.991³ =
- 26.102³ =
- 27.102³ =
- 28.94³ =
- 29.985³ =
- 30.101³ =
- 31.1002³ =
- 32.97³ =
- 33.1006³ =
- 34.998³ =
- 35.104³ =
- 36.990³ =
- 37.96³ =
- 38.105³ =
- 39.99³ =
- 40.106³ =
Answer key
- 991026973
- 994011992
- 958585256
- 982107784
- 955671625
- 970299
- 970299
- 1092727
- 970299000
- 1157625
- 778688
- 1036433728
- 1061208
- 988047936
- 961504803
- 1018108216
- 912673
- 1259712
- 830584
- 982107784
- 884736
- 964430272
- 1157625
- 857375
- 973242271
- 1061208
- 1061208
- 830584
- 955671625
- 1030301
- 1006012008
- 912673
- 1018108216
- 994011992
- 1124864
- 970299000
- 884736
- 1157625
- 970299
- 1191016
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