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
- 1.980³ =
- 2.92³ =
- 3.105³ =
- 4.107³ =
- 5.994³ =
- 6.97³ =
- 7.97³ =
- 8.1008³ =
- 9.995³ =
- 10.101³ =
- 11.989³ =
- 12.1006³ =
- 13.95³ =
- 14.92³ =
- 15.990³ =
- 16.996³ =
- 17.995³ =
- 18.993³ =
- 19.97³ =
- 20.1010³ =
- 21.1011³ =
- 22.1005³ =
- 23.99³ =
- 24.1017³ =
- 25.996³ =
- 26.985³ =
- 27.107³ =
- 28.108³ =
- 29.102³ =
- 30.99³ =
- 31.1009³ =
- 32.102³ =
- 33.102³ =
- 34.998³ =
- 35.96³ =
- 36.108³ =
- 37.104³ =
- 38.95³ =
- 39.988³ =
- 40.1019³ =
Answer key
- 941192000
- 778688
- 1157625
- 1225043
- 982107784
- 912673
- 912673
- 1024192512
- 985074875
- 1030301
- 967361669
- 1018108216
- 857375
- 778688
- 970299000
- 988047936
- 985074875
- 979146657
- 912673
- 1030301000
- 1033364331
- 1015075125
- 970299
- 1051871913
- 988047936
- 955671625
- 1225043
- 1259712
- 1061208
- 970299
- 1027243729
- 1061208
- 1061208
- 994011992
- 884736
- 1259712
- 1124864
- 857375
- 964430272
- 1058089859
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