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
- 1.982³ =
- 2.1020³ =
- 3.1018³ =
- 4.97³ =
- 5.108³ =
- 6.108³ =
- 7.91³ =
- 8.92³ =
- 9.1019³ =
- 10.1003³ =
- 11.1015³ =
- 12.109³ =
- 13.103³ =
- 14.1006³ =
- 15.980³ =
- 16.98³ =
- 17.92³ =
- 18.104³ =
- 19.98³ =
- 20.94³ =
- 21.996³ =
- 22.92³ =
- 23.97³ =
- 24.998³ =
- 25.1014³ =
- 26.99³ =
- 27.1014³ =
- 28.108³ =
- 29.95³ =
- 30.998³ =
- 31.989³ =
- 32.999³ =
- 33.1001³ =
- 34.987³ =
- 35.1010³ =
- 36.985³ =
- 37.996³ =
- 38.989³ =
- 39.104³ =
- 40.92³ =
Answer key
- 946966168
- 1061208000
- 1054977832
- 912673
- 1259712
- 1259712
- 753571
- 778688
- 1058089859
- 1009027027
- 1045678375
- 1295029
- 1092727
- 1018108216
- 941192000
- 941192
- 778688
- 1124864
- 941192
- 830584
- 988047936
- 778688
- 912673
- 994011992
- 1042590744
- 970299
- 1042590744
- 1259712
- 857375
- 994011992
- 967361669
- 997002999
- 1003003001
- 961504803
- 1030301000
- 955671625
- 988047936
- 967361669
- 1124864
- 778688
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