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
- 1.980³ =
- 2.1003³ =
- 3.999³ =
- 4.92³ =
- 5.1006³ =
- 6.91³ =
- 7.980³ =
- 8.992³ =
- 9.1009³ =
- 10.98³ =
- 11.999³ =
- 12.99³ =
- 13.108³ =
- 14.109³ =
- 15.992³ =
- 16.998³ =
- 17.106³ =
- 18.103³ =
- 19.1005³ =
- 20.1012³ =
- 21.108³ =
- 22.1015³ =
- 23.102³ =
- 24.106³ =
- 25.94³ =
- 26.98³ =
- 27.97³ =
- 28.109³ =
- 29.988³ =
- 30.103³ =
- 31.990³ =
- 32.94³ =
- 33.97³ =
- 34.994³ =
- 35.99³ =
- 36.108³ =
- 37.1006³ =
- 38.97³ =
- 39.1001³ =
- 40.104³ =
Answer key
- 941192000
- 1009027027
- 997002999
- 778688
- 1018108216
- 753571
- 941192000
- 976191488
- 1027243729
- 941192
- 997002999
- 970299
- 1259712
- 1295029
- 976191488
- 994011992
- 1191016
- 1092727
- 1015075125
- 1036433728
- 1259712
- 1045678375
- 1061208
- 1191016
- 830584
- 941192
- 912673
- 1295029
- 964430272
- 1092727
- 970299000
- 830584
- 912673
- 982107784
- 970299
- 1259712
- 1018108216
- 912673
- 1003003001
- 1124864
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