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 =
- 2.92³ =
- 3.981³ =
- 4.99³ =
- 5.1018³ =
- 6.980³ =
- 7.1009³ =
- 8.980³ =
- 9.1014³ =
- 10.107³ =
- 11.107³ =
- 12.1008³ =
- 13.102³ =
- 14.980³ =
- 15.1008³ =
- 16.94³ =
- 17.1002³ =
- 18.997³ =
- 19.94³ =
- 20.997³ =
- 21.1009³ =
- 22.981³ =
- 23.105³ =
- 24.1005³ =
- 25.996³ =
- 26.981³ =
- 27.106³ =
- 28.1003³ =
- 29.1017³ =
- 30.108³ =
- 31.1002³ =
- 32.998³ =
- 33.992³ =
- 34.95³ =
- 35.981³ =
- 36.1020³ =
- 37.93³ =
- 38.1006³ =
- 39.91³ =
- 40.91³ =
Answer key
- 985074875
- 778688
- 944076141
- 970299
- 1054977832
- 941192000
- 1027243729
- 941192000
- 1042590744
- 1225043
- 1225043
- 1024192512
- 1061208
- 941192000
- 1024192512
- 830584
- 1006012008
- 991026973
- 830584
- 991026973
- 1027243729
- 944076141
- 1157625
- 1015075125
- 988047936
- 944076141
- 1191016
- 1009027027
- 1051871913
- 1259712
- 1006012008
- 994011992
- 976191488
- 857375
- 944076141
- 1061208000
- 804357
- 1018108216
- 753571
- 753571
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