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
- 1.1007³ =
- 2.999³ =
- 3.97³ =
- 4.94³ =
- 5.92³ =
- 6.92³ =
- 7.109³ =
- 8.1019³ =
- 9.987³ =
- 10.95³ =
- 11.105³ =
- 12.102³ =
- 13.96³ =
- 14.92³ =
- 15.95³ =
- 16.983³ =
- 17.1001³ =
- 18.984³ =
- 19.109³ =
- 20.106³ =
- 21.996³ =
- 22.107³ =
- 23.109³ =
- 24.93³ =
- 25.101³ =
- 26.991³ =
- 27.1005³ =
- 28.107³ =
- 29.983³ =
- 30.1020³ =
- 31.105³ =
- 32.993³ =
- 33.109³ =
- 34.991³ =
- 35.106³ =
- 36.1006³ =
- 37.105³ =
- 38.987³ =
- 39.988³ =
- 40.103³ =
Answer key
- 1021147343
- 997002999
- 912673
- 830584
- 778688
- 778688
- 1295029
- 1058089859
- 961504803
- 857375
- 1157625
- 1061208
- 884736
- 778688
- 857375
- 949862087
- 1003003001
- 952763904
- 1295029
- 1191016
- 988047936
- 1225043
- 1295029
- 804357
- 1030301
- 973242271
- 1015075125
- 1225043
- 949862087
- 1061208000
- 1157625
- 979146657
- 1295029
- 973242271
- 1191016
- 1018108216
- 1157625
- 961504803
- 964430272
- 1092727
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