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
- 1.987³ =
- 2.1015³ =
- 3.96³ =
- 4.91³ =
- 5.1011³ =
- 6.1011³ =
- 7.994³ =
- 8.109³ =
- 9.91³ =
- 10.104³ =
- 11.99³ =
- 12.104³ =
- 13.102³ =
- 14.981³ =
- 15.102³ =
- 16.103³ =
- 17.109³ =
- 18.989³ =
- 19.1007³ =
- 20.1015³ =
- 21.102³ =
- 22.104³ =
- 23.109³ =
- 24.95³ =
- 25.98³ =
- 26.104³ =
- 27.97³ =
- 28.1015³ =
- 29.93³ =
- 30.91³ =
- 31.1003³ =
- 32.108³ =
- 33.992³ =
- 34.95³ =
- 35.1012³ =
- 36.105³ =
- 37.1016³ =
- 38.1011³ =
- 39.107³ =
- 40.92³ =
Answer key
- 961504803
- 1045678375
- 884736
- 753571
- 1033364331
- 1033364331
- 982107784
- 1295029
- 753571
- 1124864
- 970299
- 1124864
- 1061208
- 944076141
- 1061208
- 1092727
- 1295029
- 967361669
- 1021147343
- 1045678375
- 1061208
- 1124864
- 1295029
- 857375
- 941192
- 1124864
- 912673
- 1045678375
- 804357
- 753571
- 1009027027
- 1259712
- 976191488
- 857375
- 1036433728
- 1157625
- 1048772096
- 1033364331
- 1225043
- 778688
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