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
- 1.997³ =
- 2.989³ =
- 3.92³ =
- 4.95³ =
- 5.1009³ =
- 6.1013³ =
- 7.982³ =
- 8.1003³ =
- 9.1014³ =
- 10.96³ =
- 11.92³ =
- 12.99³ =
- 13.104³ =
- 14.988³ =
- 15.105³ =
- 16.94³ =
- 17.985³ =
- 18.93³ =
- 19.105³ =
- 20.99³ =
- 21.988³ =
- 22.97³ =
- 23.1019³ =
- 24.96³ =
- 25.99³ =
- 26.980³ =
- 27.97³ =
- 28.985³ =
- 29.981³ =
- 30.104³ =
- 31.99³ =
- 32.94³ =
- 33.95³ =
- 34.109³ =
- 35.984³ =
- 36.1004³ =
- 37.985³ =
- 38.1006³ =
- 39.108³ =
- 40.984³ =
Answer key
- 991026973
- 967361669
- 778688
- 857375
- 1027243729
- 1039509197
- 946966168
- 1009027027
- 1042590744
- 884736
- 778688
- 970299
- 1124864
- 964430272
- 1157625
- 830584
- 955671625
- 804357
- 1157625
- 970299
- 964430272
- 912673
- 1058089859
- 884736
- 970299
- 941192000
- 912673
- 955671625
- 944076141
- 1124864
- 970299
- 830584
- 857375
- 1295029
- 952763904
- 1012048064
- 955671625
- 1018108216
- 1259712
- 952763904
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