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
- 1.1007³ =
- 2.1006³ =
- 3.99³ =
- 4.1008³ =
- 5.102³ =
- 6.109³ =
- 7.103³ =
- 8.102³ =
- 9.982³ =
- 10.997³ =
- 11.1002³ =
- 12.992³ =
- 13.98³ =
- 14.987³ =
- 15.984³ =
- 16.985³ =
- 17.109³ =
- 18.1012³ =
- 19.994³ =
- 20.97³ =
- 21.94³ =
- 22.985³ =
- 23.94³ =
- 24.983³ =
- 25.996³ =
- 26.97³ =
- 27.92³ =
- 28.97³ =
- 29.991³ =
- 30.1011³ =
- 31.106³ =
- 32.989³ =
- 33.94³ =
- 34.101³ =
- 35.96³ =
- 36.91³ =
- 37.1011³ =
- 38.104³ =
- 39.99³ =
- 40.980³ =
Answer key
- 1021147343
- 1018108216
- 970299
- 1024192512
- 1061208
- 1295029
- 1092727
- 1061208
- 946966168
- 991026973
- 1006012008
- 976191488
- 941192
- 961504803
- 952763904
- 955671625
- 1295029
- 1036433728
- 982107784
- 912673
- 830584
- 955671625
- 830584
- 949862087
- 988047936
- 912673
- 778688
- 912673
- 973242271
- 1033364331
- 1191016
- 967361669
- 830584
- 1030301
- 884736
- 753571
- 1033364331
- 1124864
- 970299
- 941192000
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