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
- 1.1016³ =
- 2.1006³ =
- 3.994³ =
- 4.97³ =
- 5.92³ =
- 6.997³ =
- 7.97³ =
- 8.1010³ =
- 9.103³ =
- 10.1019³ =
- 11.103³ =
- 12.998³ =
- 13.1015³ =
- 14.1008³ =
- 15.983³ =
- 16.108³ =
- 17.1006³ =
- 18.102³ =
- 19.1014³ =
- 20.986³ =
- 21.107³ =
- 22.1010³ =
- 23.1013³ =
- 24.1011³ =
- 25.1005³ =
- 26.95³ =
- 27.983³ =
- 28.109³ =
- 29.95³ =
- 30.106³ =
- 31.104³ =
- 32.990³ =
- 33.990³ =
- 34.999³ =
- 35.93³ =
- 36.993³ =
- 37.1019³ =
- 38.994³ =
- 39.986³ =
- 40.93³ =
Answer key
- 1048772096
- 1018108216
- 982107784
- 912673
- 778688
- 991026973
- 912673
- 1030301000
- 1092727
- 1058089859
- 1092727
- 994011992
- 1045678375
- 1024192512
- 949862087
- 1259712
- 1018108216
- 1061208
- 1042590744
- 958585256
- 1225043
- 1030301000
- 1039509197
- 1033364331
- 1015075125
- 857375
- 949862087
- 1295029
- 857375
- 1191016
- 1124864
- 970299000
- 970299000
- 997002999
- 804357
- 979146657
- 1058089859
- 982107784
- 958585256
- 804357
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