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
- 1.91³ =
- 2.997³ =
- 3.982³ =
- 4.93³ =
- 5.93³ =
- 6.1006³ =
- 7.108³ =
- 8.989³ =
- 9.98³ =
- 10.102³ =
- 11.985³ =
- 12.92³ =
- 13.105³ =
- 14.96³ =
- 15.92³ =
- 16.95³ =
- 17.104³ =
- 18.96³ =
- 19.983³ =
- 20.105³ =
- 21.102³ =
- 22.93³ =
- 23.91³ =
- 24.97³ =
- 25.97³ =
- 26.93³ =
- 27.1015³ =
- 28.98³ =
- 29.104³ =
- 30.108³ =
- 31.991³ =
- 32.994³ =
- 33.1016³ =
- 34.99³ =
- 35.107³ =
- 36.92³ =
- 37.103³ =
- 38.1001³ =
- 39.981³ =
- 40.1001³ =
Answer key
- 753571
- 991026973
- 946966168
- 804357
- 804357
- 1018108216
- 1259712
- 967361669
- 941192
- 1061208
- 955671625
- 778688
- 1157625
- 884736
- 778688
- 857375
- 1124864
- 884736
- 949862087
- 1157625
- 1061208
- 804357
- 753571
- 912673
- 912673
- 804357
- 1045678375
- 941192
- 1124864
- 1259712
- 973242271
- 982107784
- 1048772096
- 970299
- 1225043
- 778688
- 1092727
- 1003003001
- 944076141
- 1003003001
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