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
- 1.107³ =
- 2.98³ =
- 3.95³ =
- 4.983³ =
- 5.1017³ =
- 6.97³ =
- 7.101³ =
- 8.105³ =
- 9.105³ =
- 10.96³ =
- 11.104³ =
- 12.1016³ =
- 13.1009³ =
- 14.94³ =
- 15.1009³ =
- 16.96³ =
- 17.1019³ =
- 18.1008³ =
- 19.1012³ =
- 20.985³ =
- 21.93³ =
- 22.98³ =
- 23.1018³ =
- 24.102³ =
- 25.96³ =
- 26.995³ =
- 27.1020³ =
- 28.990³ =
- 29.106³ =
- 30.985³ =
- 31.99³ =
- 32.92³ =
- 33.95³ =
- 34.108³ =
- 35.108³ =
- 36.1010³ =
- 37.94³ =
- 38.103³ =
- 39.984³ =
- 40.1016³ =
Answer key
- 1225043
- 941192
- 857375
- 949862087
- 1051871913
- 912673
- 1030301
- 1157625
- 1157625
- 884736
- 1124864
- 1048772096
- 1027243729
- 830584
- 1027243729
- 884736
- 1058089859
- 1024192512
- 1036433728
- 955671625
- 804357
- 941192
- 1054977832
- 1061208
- 884736
- 985074875
- 1061208000
- 970299000
- 1191016
- 955671625
- 970299
- 778688
- 857375
- 1259712
- 1259712
- 1030301000
- 830584
- 1092727
- 952763904
- 1048772096
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