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
- 1.1006³ =
- 2.104³ =
- 3.997³ =
- 4.1018³ =
- 5.99³ =
- 6.1007³ =
- 7.105³ =
- 8.109³ =
- 9.98³ =
- 10.99³ =
- 11.1014³ =
- 12.109³ =
- 13.98³ =
- 14.95³ =
- 15.95³ =
- 16.981³ =
- 17.101³ =
- 18.97³ =
- 19.98³ =
- 20.101³ =
- 21.989³ =
- 22.1002³ =
- 23.101³ =
- 24.996³ =
- 25.97³ =
- 26.91³ =
- 27.1011³ =
- 28.996³ =
- 29.104³ =
- 30.96³ =
- 31.91³ =
- 32.986³ =
- 33.97³ =
- 34.1001³ =
- 35.108³ =
- 36.98³ =
- 37.985³ =
- 38.1017³ =
- 39.1015³ =
- 40.1005³ =
Answer key
- 1018108216
- 1124864
- 991026973
- 1054977832
- 970299
- 1021147343
- 1157625
- 1295029
- 941192
- 970299
- 1042590744
- 1295029
- 941192
- 857375
- 857375
- 944076141
- 1030301
- 912673
- 941192
- 1030301
- 967361669
- 1006012008
- 1030301
- 988047936
- 912673
- 753571
- 1033364331
- 988047936
- 1124864
- 884736
- 753571
- 958585256
- 912673
- 1003003001
- 1259712
- 941192
- 955671625
- 1051871913
- 1045678375
- 1015075125
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