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
- 1.1020³ =
- 2.103³ =
- 3.98³ =
- 4.99³ =
- 5.995³ =
- 6.105³ =
- 7.106³ =
- 8.95³ =
- 9.98³ =
- 10.106³ =
- 11.986³ =
- 12.103³ =
- 13.107³ =
- 14.1010³ =
- 15.109³ =
- 16.988³ =
- 17.1015³ =
- 18.994³ =
- 19.989³ =
- 20.103³ =
- 21.1005³ =
- 22.93³ =
- 23.102³ =
- 24.99³ =
- 25.103³ =
- 26.999³ =
- 27.109³ =
- 28.994³ =
- 29.97³ =
- 30.92³ =
- 31.109³ =
- 32.101³ =
- 33.996³ =
- 34.997³ =
- 35.1008³ =
- 36.98³ =
- 37.91³ =
- 38.91³ =
- 39.91³ =
- 40.1007³ =
Answer key
- 1061208000
- 1092727
- 941192
- 970299
- 985074875
- 1157625
- 1191016
- 857375
- 941192
- 1191016
- 958585256
- 1092727
- 1225043
- 1030301000
- 1295029
- 964430272
- 1045678375
- 982107784
- 967361669
- 1092727
- 1015075125
- 804357
- 1061208
- 970299
- 1092727
- 997002999
- 1295029
- 982107784
- 912673
- 778688
- 1295029
- 1030301
- 988047936
- 991026973
- 1024192512
- 941192
- 753571
- 753571
- 753571
- 1021147343
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