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
- 1.99³ =
- 2.1001³ =
- 3.992³ =
- 4.97³ =
- 5.95³ =
- 6.992³ =
- 7.983³ =
- 8.993³ =
- 9.92³ =
- 10.109³ =
- 11.993³ =
- 12.995³ =
- 13.99³ =
- 14.104³ =
- 15.997³ =
- 16.98³ =
- 17.91³ =
- 18.1010³ =
- 19.1011³ =
- 20.95³ =
- 21.103³ =
- 22.97³ =
- 23.1005³ =
- 24.108³ =
- 25.105³ =
- 26.1007³ =
- 27.983³ =
- 28.1001³ =
- 29.108³ =
- 30.98³ =
- 31.109³ =
- 32.1010³ =
- 33.109³ =
- 34.99³ =
- 35.1001³ =
- 36.1012³ =
- 37.91³ =
- 38.92³ =
- 39.97³ =
- 40.991³ =
Answer key
- 970299
- 1003003001
- 976191488
- 912673
- 857375
- 976191488
- 949862087
- 979146657
- 778688
- 1295029
- 979146657
- 985074875
- 970299
- 1124864
- 991026973
- 941192
- 753571
- 1030301000
- 1033364331
- 857375
- 1092727
- 912673
- 1015075125
- 1259712
- 1157625
- 1021147343
- 949862087
- 1003003001
- 1259712
- 941192
- 1295029
- 1030301000
- 1295029
- 970299
- 1003003001
- 1036433728
- 753571
- 778688
- 912673
- 973242271
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