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
- 1.94³ =
- 2.1010³ =
- 3.104³ =
- 4.993³ =
- 5.104³ =
- 6.986³ =
- 7.92³ =
- 8.101³ =
- 9.1011³ =
- 10.98³ =
- 11.105³ =
- 12.987³ =
- 13.996³ =
- 14.996³ =
- 15.98³ =
- 16.95³ =
- 17.996³ =
- 18.983³ =
- 19.103³ =
- 20.108³ =
- 21.91³ =
- 22.98³ =
- 23.983³ =
- 24.93³ =
- 25.91³ =
- 26.103³ =
- 27.1013³ =
- 28.994³ =
- 29.108³ =
- 30.983³ =
- 31.99³ =
- 32.95³ =
- 33.1007³ =
- 34.103³ =
- 35.997³ =
- 36.985³ =
- 37.997³ =
- 38.99³ =
- 39.1015³ =
- 40.97³ =
Answer key
- 830584
- 1030301000
- 1124864
- 979146657
- 1124864
- 958585256
- 778688
- 1030301
- 1033364331
- 941192
- 1157625
- 961504803
- 988047936
- 988047936
- 941192
- 857375
- 988047936
- 949862087
- 1092727
- 1259712
- 753571
- 941192
- 949862087
- 804357
- 753571
- 1092727
- 1039509197
- 982107784
- 1259712
- 949862087
- 970299
- 857375
- 1021147343
- 1092727
- 991026973
- 955671625
- 991026973
- 970299
- 1045678375
- 912673
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