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
- 1.985³ =
- 2.97³ =
- 3.97³ =
- 4.987³ =
- 5.98³ =
- 6.93³ =
- 7.108³ =
- 8.97³ =
- 9.98³ =
- 10.985³ =
- 11.998³ =
- 12.103³ =
- 13.99³ =
- 14.96³ =
- 15.91³ =
- 16.991³ =
- 17.1014³ =
- 18.1018³ =
- 19.1008³ =
- 20.106³ =
- 21.1003³ =
- 22.99³ =
- 23.95³ =
- 24.97³ =
- 25.994³ =
- 26.1004³ =
- 27.987³ =
- 28.994³ =
- 29.104³ =
- 30.108³ =
- 31.99³ =
- 32.101³ =
- 33.989³ =
- 34.98³ =
- 35.99³ =
- 36.998³ =
- 37.998³ =
- 38.984³ =
- 39.105³ =
- 40.94³ =
Answer key
- 955671625
- 912673
- 912673
- 961504803
- 941192
- 804357
- 1259712
- 912673
- 941192
- 955671625
- 994011992
- 1092727
- 970299
- 884736
- 753571
- 973242271
- 1042590744
- 1054977832
- 1024192512
- 1191016
- 1009027027
- 970299
- 857375
- 912673
- 982107784
- 1012048064
- 961504803
- 982107784
- 1124864
- 1259712
- 970299
- 1030301
- 967361669
- 941192
- 970299
- 994011992
- 994011992
- 952763904
- 1157625
- 830584
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