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
- 1.1015³ =
- 2.103³ =
- 3.980³ =
- 4.107³ =
- 5.94³ =
- 6.107³ =
- 7.101³ =
- 8.96³ =
- 9.105³ =
- 10.1011³ =
- 11.96³ =
- 12.994³ =
- 13.1003³ =
- 14.1006³ =
- 15.1004³ =
- 16.1003³ =
- 17.101³ =
- 18.992³ =
- 19.1001³ =
- 20.95³ =
- 21.109³ =
- 22.999³ =
- 23.980³ =
- 24.989³ =
- 25.98³ =
- 26.94³ =
- 27.96³ =
- 28.94³ =
- 29.96³ =
- 30.101³ =
- 31.108³ =
- 32.102³ =
- 33.997³ =
- 34.97³ =
- 35.980³ =
- 36.992³ =
- 37.105³ =
- 38.99³ =
- 39.985³ =
- 40.98³ =
Answer key
- 1045678375
- 1092727
- 941192000
- 1225043
- 830584
- 1225043
- 1030301
- 884736
- 1157625
- 1033364331
- 884736
- 982107784
- 1009027027
- 1018108216
- 1012048064
- 1009027027
- 1030301
- 976191488
- 1003003001
- 857375
- 1295029
- 997002999
- 941192000
- 967361669
- 941192
- 830584
- 884736
- 830584
- 884736
- 1030301
- 1259712
- 1061208
- 991026973
- 912673
- 941192000
- 976191488
- 1157625
- 970299
- 955671625
- 941192
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