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
- 1.1013³ =
- 2.108³ =
- 3.992³ =
- 4.97³ =
- 5.95³ =
- 6.94³ =
- 7.1012³ =
- 8.95³ =
- 9.108³ =
- 10.1006³ =
- 11.108³ =
- 12.95³ =
- 13.992³ =
- 14.984³ =
- 15.994³ =
- 16.986³ =
- 17.1007³ =
- 18.992³ =
- 19.95³ =
- 20.992³ =
- 21.94³ =
- 22.109³ =
- 23.95³ =
- 24.105³ =
- 25.106³ =
- 26.95³ =
- 27.999³ =
- 28.94³ =
- 29.1012³ =
- 30.1011³ =
- 31.986³ =
- 32.108³ =
- 33.98³ =
- 34.1018³ =
- 35.980³ =
- 36.1001³ =
- 37.1014³ =
- 38.980³ =
- 39.986³ =
- 40.97³ =
Answer key
- 1039509197
- 1259712
- 976191488
- 912673
- 857375
- 830584
- 1036433728
- 857375
- 1259712
- 1018108216
- 1259712
- 857375
- 976191488
- 952763904
- 982107784
- 958585256
- 1021147343
- 976191488
- 857375
- 976191488
- 830584
- 1295029
- 857375
- 1157625
- 1191016
- 857375
- 997002999
- 830584
- 1036433728
- 1033364331
- 958585256
- 1259712
- 941192
- 1054977832
- 941192000
- 1003003001
- 1042590744
- 941192000
- 958585256
- 912673
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