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
- 1.107³ =
- 2.91³ =
- 3.99³ =
- 4.1004³ =
- 5.109³ =
- 6.99³ =
- 7.96³ =
- 8.103³ =
- 9.105³ =
- 10.92³ =
- 11.99³ =
- 12.1013³ =
- 13.99³ =
- 14.97³ =
- 15.108³ =
- 16.981³ =
- 17.108³ =
- 18.983³ =
- 19.103³ =
- 20.98³ =
- 21.98³ =
- 22.98³ =
- 23.1012³ =
- 24.93³ =
- 25.96³ =
- 26.994³ =
- 27.980³ =
- 28.98³ =
- 29.94³ =
- 30.103³ =
- 31.105³ =
- 32.104³ =
- 33.91³ =
- 34.97³ =
- 35.102³ =
- 36.108³ =
- 37.102³ =
- 38.1003³ =
- 39.101³ =
- 40.108³ =
Answer key
- 1225043
- 753571
- 970299
- 1012048064
- 1295029
- 970299
- 884736
- 1092727
- 1157625
- 778688
- 970299
- 1039509197
- 970299
- 912673
- 1259712
- 944076141
- 1259712
- 949862087
- 1092727
- 941192
- 941192
- 941192
- 1036433728
- 804357
- 884736
- 982107784
- 941192000
- 941192
- 830584
- 1092727
- 1157625
- 1124864
- 753571
- 912673
- 1061208
- 1259712
- 1061208
- 1009027027
- 1030301
- 1259712
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