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
- 1.97³ =
- 2.982³ =
- 3.97³ =
- 4.99³ =
- 5.1018³ =
- 6.1004³ =
- 7.105³ =
- 8.981³ =
- 9.1011³ =
- 10.94³ =
- 11.91³ =
- 12.107³ =
- 13.104³ =
- 14.91³ =
- 15.96³ =
- 16.94³ =
- 17.104³ =
- 18.91³ =
- 19.984³ =
- 20.990³ =
- 21.981³ =
- 22.109³ =
- 23.102³ =
- 24.104³ =
- 25.991³ =
- 26.102³ =
- 27.102³ =
- 28.97³ =
- 29.995³ =
- 30.1019³ =
- 31.992³ =
- 32.95³ =
- 33.91³ =
- 34.997³ =
- 35.98³ =
- 36.1019³ =
- 37.99³ =
- 38.1002³ =
- 39.92³ =
- 40.97³ =
Answer key
- 912673
- 946966168
- 912673
- 970299
- 1054977832
- 1012048064
- 1157625
- 944076141
- 1033364331
- 830584
- 753571
- 1225043
- 1124864
- 753571
- 884736
- 830584
- 1124864
- 753571
- 952763904
- 970299000
- 944076141
- 1295029
- 1061208
- 1124864
- 973242271
- 1061208
- 1061208
- 912673
- 985074875
- 1058089859
- 976191488
- 857375
- 753571
- 991026973
- 941192
- 1058089859
- 970299
- 1006012008
- 778688
- 912673
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