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
- 1.995³ =
- 2.981³ =
- 3.107³ =
- 4.982³ =
- 5.987³ =
- 6.1016³ =
- 7.103³ =
- 8.95³ =
- 9.92³ =
- 10.1018³ =
- 11.106³ =
- 12.108³ =
- 13.1010³ =
- 14.1020³ =
- 15.1003³ =
- 16.91³ =
- 17.94³ =
- 18.94³ =
- 19.1019³ =
- 20.104³ =
- 21.996³ =
- 22.96³ =
- 23.1006³ =
- 24.98³ =
- 25.999³ =
- 26.1003³ =
- 27.983³ =
- 28.989³ =
- 29.102³ =
- 30.980³ =
- 31.94³ =
- 32.97³ =
- 33.992³ =
- 34.93³ =
- 35.106³ =
- 36.102³ =
- 37.1012³ =
- 38.101³ =
- 39.982³ =
- 40.1004³ =
Answer key
- 985074875
- 944076141
- 1225043
- 946966168
- 961504803
- 1048772096
- 1092727
- 857375
- 778688
- 1054977832
- 1191016
- 1259712
- 1030301000
- 1061208000
- 1009027027
- 753571
- 830584
- 830584
- 1058089859
- 1124864
- 988047936
- 884736
- 1018108216
- 941192
- 997002999
- 1009027027
- 949862087
- 967361669
- 1061208
- 941192000
- 830584
- 912673
- 976191488
- 804357
- 1191016
- 1061208
- 1036433728
- 1030301
- 946966168
- 1012048064
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