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 =
- 2.91³ =
- 3.999³ =
- 4.995³ =
- 5.98³ =
- 6.1019³ =
- 7.1004³ =
- 8.102³ =
- 9.984³ =
- 10.92³ =
- 11.99³ =
- 12.95³ =
- 13.107³ =
- 14.108³ =
- 15.986³ =
- 16.992³ =
- 17.97³ =
- 18.996³ =
- 19.108³ =
- 20.107³ =
- 21.97³ =
- 22.1013³ =
- 23.109³ =
- 24.91³ =
- 25.988³ =
- 26.1001³ =
- 27.97³ =
- 28.984³ =
- 29.97³ =
- 30.1012³ =
- 31.94³ =
- 32.94³ =
- 33.1013³ =
- 34.95³ =
- 35.96³ =
- 36.103³ =
- 37.103³ =
- 38.997³ =
- 39.95³ =
- 40.99³ =
Answer key
- 985074875
- 753571
- 997002999
- 985074875
- 941192
- 1058089859
- 1012048064
- 1061208
- 952763904
- 778688
- 970299
- 857375
- 1225043
- 1259712
- 958585256
- 976191488
- 912673
- 988047936
- 1259712
- 1225043
- 912673
- 1039509197
- 1295029
- 753571
- 964430272
- 1003003001
- 912673
- 952763904
- 912673
- 1036433728
- 830584
- 830584
- 1039509197
- 857375
- 884736
- 1092727
- 1092727
- 991026973
- 857375
- 970299
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