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
- 1.990³ =
- 2.98³ =
- 3.103³ =
- 4.105³ =
- 5.96³ =
- 6.104³ =
- 7.983³ =
- 8.986³ =
- 9.91³ =
- 10.92³ =
- 11.989³ =
- 12.103³ =
- 13.980³ =
- 14.92³ =
- 15.986³ =
- 16.990³ =
- 17.998³ =
- 18.106³ =
- 19.106³ =
- 20.993³ =
- 21.91³ =
- 22.1005³ =
- 23.102³ =
- 24.980³ =
- 25.1007³ =
- 26.982³ =
- 27.97³ =
- 28.94³ =
- 29.984³ =
- 30.107³ =
- 31.105³ =
- 32.1002³ =
- 33.1001³ =
- 34.990³ =
- 35.109³ =
- 36.999³ =
- 37.993³ =
- 38.997³ =
- 39.987³ =
- 40.105³ =
Answer key
- 970299000
- 941192
- 1092727
- 1157625
- 884736
- 1124864
- 949862087
- 958585256
- 753571
- 778688
- 967361669
- 1092727
- 941192000
- 778688
- 958585256
- 970299000
- 994011992
- 1191016
- 1191016
- 979146657
- 753571
- 1015075125
- 1061208
- 941192000
- 1021147343
- 946966168
- 912673
- 830584
- 952763904
- 1225043
- 1157625
- 1006012008
- 1003003001
- 970299000
- 1295029
- 997002999
- 979146657
- 991026973
- 961504803
- 1157625
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