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 =
- 2.981³ =
- 3.989³ =
- 4.108³ =
- 5.993³ =
- 6.95³ =
- 7.108³ =
- 8.97³ =
- 9.1018³ =
- 10.97³ =
- 11.980³ =
- 12.97³ =
- 13.988³ =
- 14.96³ =
- 15.107³ =
- 16.983³ =
- 17.107³ =
- 18.91³ =
- 19.996³ =
- 20.97³ =
- 21.995³ =
- 22.987³ =
- 23.109³ =
- 24.94³ =
- 25.99³ =
- 26.1008³ =
- 27.1008³ =
- 28.1002³ =
- 29.93³ =
- 30.1001³ =
- 31.1014³ =
- 32.1005³ =
- 33.102³ =
- 34.106³ =
- 35.103³ =
- 36.1013³ =
- 37.94³ =
- 38.91³ =
- 39.980³ =
- 40.986³ =
Answer key
- 1045678375
- 944076141
- 967361669
- 1259712
- 979146657
- 857375
- 1259712
- 912673
- 1054977832
- 912673
- 941192000
- 912673
- 964430272
- 884736
- 1225043
- 949862087
- 1225043
- 753571
- 988047936
- 912673
- 985074875
- 961504803
- 1295029
- 830584
- 970299
- 1024192512
- 1024192512
- 1006012008
- 804357
- 1003003001
- 1042590744
- 1015075125
- 1061208
- 1191016
- 1092727
- 1039509197
- 830584
- 753571
- 941192000
- 958585256
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