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
- 1.1006³ =
- 2.980³ =
- 3.1009³ =
- 4.991³ =
- 5.97³ =
- 6.103³ =
- 7.1014³ =
- 8.104³ =
- 9.97³ =
- 10.998³ =
- 11.998³ =
- 12.994³ =
- 13.999³ =
- 14.1004³ =
- 15.1015³ =
- 16.91³ =
- 17.1002³ =
- 18.104³ =
- 19.995³ =
- 20.1003³ =
- 21.104³ =
- 22.1002³ =
- 23.98³ =
- 24.983³ =
- 25.91³ =
- 26.91³ =
- 27.98³ =
- 28.997³ =
- 29.105³ =
- 30.104³ =
- 31.97³ =
- 32.983³ =
- 33.97³ =
- 34.1005³ =
- 35.91³ =
- 36.104³ =
- 37.999³ =
- 38.1014³ =
- 39.995³ =
- 40.982³ =
Answer key
- 1018108216
- 941192000
- 1027243729
- 973242271
- 912673
- 1092727
- 1042590744
- 1124864
- 912673
- 994011992
- 994011992
- 982107784
- 997002999
- 1012048064
- 1045678375
- 753571
- 1006012008
- 1124864
- 985074875
- 1009027027
- 1124864
- 1006012008
- 941192
- 949862087
- 753571
- 753571
- 941192
- 991026973
- 1157625
- 1124864
- 912673
- 949862087
- 912673
- 1015075125
- 753571
- 1124864
- 997002999
- 1042590744
- 985074875
- 946966168
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