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 =
- 3.108³ =
- 4.91³ =
- 5.98³ =
- 6.95³ =
- 7.994³ =
- 8.93³ =
- 9.1006³ =
- 10.980³ =
- 11.1003³ =
- 12.99³ =
- 13.91³ =
- 14.988³ =
- 15.94³ =
- 16.992³ =
- 17.96³ =
- 18.1017³ =
- 19.990³ =
- 20.996³ =
- 21.101³ =
- 22.103³ =
- 23.107³ =
- 24.103³ =
- 25.98³ =
- 26.106³ =
- 27.997³ =
- 28.1015³ =
- 29.91³ =
- 30.105³ =
- 31.94³ =
- 32.99³ =
- 33.1004³ =
- 34.107³ =
- 35.94³ =
- 36.1019³ =
- 37.99³ =
- 38.98³ =
- 39.93³ =
- 40.1015³ =
Answer key
- 991026973
- 967361669
- 1259712
- 753571
- 941192
- 857375
- 982107784
- 804357
- 1018108216
- 941192000
- 1009027027
- 970299
- 753571
- 964430272
- 830584
- 976191488
- 884736
- 1051871913
- 970299000
- 988047936
- 1030301
- 1092727
- 1225043
- 1092727
- 941192
- 1191016
- 991026973
- 1045678375
- 753571
- 1157625
- 830584
- 970299
- 1012048064
- 1225043
- 830584
- 1058089859
- 970299
- 941192
- 804357
- 1045678375
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