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
- 1.1015³ =
- 2.101³ =
- 3.1006³ =
- 4.91³ =
- 5.95³ =
- 6.104³ =
- 7.999³ =
- 8.99³ =
- 9.107³ =
- 10.108³ =
- 11.992³ =
- 12.986³ =
- 13.109³ =
- 14.105³ =
- 15.102³ =
- 16.992³ =
- 17.1009³ =
- 18.1010³ =
- 19.992³ =
- 20.105³ =
- 21.986³ =
- 22.98³ =
- 23.103³ =
- 24.1017³ =
- 25.993³ =
- 26.108³ =
- 27.93³ =
- 28.1017³ =
- 29.105³ =
- 30.982³ =
- 31.102³ =
- 32.102³ =
- 33.104³ =
- 34.98³ =
- 35.94³ =
- 36.1003³ =
- 37.94³ =
- 38.105³ =
- 39.989³ =
- 40.91³ =
Answer key
- 1045678375
- 1030301
- 1018108216
- 753571
- 857375
- 1124864
- 997002999
- 970299
- 1225043
- 1259712
- 976191488
- 958585256
- 1295029
- 1157625
- 1061208
- 976191488
- 1027243729
- 1030301000
- 976191488
- 1157625
- 958585256
- 941192
- 1092727
- 1051871913
- 979146657
- 1259712
- 804357
- 1051871913
- 1157625
- 946966168
- 1061208
- 1061208
- 1124864
- 941192
- 830584
- 1009027027
- 830584
- 1157625
- 967361669
- 753571
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