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
- 1.91³ =
- 2.998³ =
- 3.99³ =
- 4.104³ =
- 5.1018³ =
- 6.95³ =
- 7.92³ =
- 8.109³ =
- 9.97³ =
- 10.998³ =
- 11.996³ =
- 12.997³ =
- 13.985³ =
- 14.97³ =
- 15.1009³ =
- 16.986³ =
- 17.1009³ =
- 18.108³ =
- 19.104³ =
- 20.91³ =
- 21.97³ =
- 22.95³ =
- 23.93³ =
- 24.1020³ =
- 25.986³ =
- 26.104³ =
- 27.993³ =
- 28.1014³ =
- 29.93³ =
- 30.981³ =
- 31.1002³ =
- 32.1012³ =
- 33.109³ =
- 34.99³ =
- 35.101³ =
- 36.103³ =
- 37.103³ =
- 38.103³ =
- 39.981³ =
- 40.981³ =
Answer key
- 753571
- 994011992
- 970299
- 1124864
- 1054977832
- 857375
- 778688
- 1295029
- 912673
- 994011992
- 988047936
- 991026973
- 955671625
- 912673
- 1027243729
- 958585256
- 1027243729
- 1259712
- 1124864
- 753571
- 912673
- 857375
- 804357
- 1061208000
- 958585256
- 1124864
- 979146657
- 1042590744
- 804357
- 944076141
- 1006012008
- 1036433728
- 1295029
- 970299
- 1030301
- 1092727
- 1092727
- 1092727
- 944076141
- 944076141
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