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
- 1.1004³ =
- 2.1008³ =
- 3.984³ =
- 4.94³ =
- 5.92³ =
- 6.107³ =
- 7.91³ =
- 8.1015³ =
- 9.980³ =
- 10.102³ =
- 11.92³ =
- 12.96³ =
- 13.1005³ =
- 14.1019³ =
- 15.105³ =
- 16.995³ =
- 17.1009³ =
- 18.95³ =
- 19.99³ =
- 20.99³ =
- 21.106³ =
- 22.109³ =
- 23.94³ =
- 24.986³ =
- 25.996³ =
- 26.92³ =
- 27.1018³ =
- 28.1005³ =
- 29.1009³ =
- 30.91³ =
- 31.99³ =
- 32.1009³ =
- 33.1019³ =
- 34.92³ =
- 35.994³ =
- 36.99³ =
- 37.1019³ =
- 38.99³ =
- 39.107³ =
- 40.91³ =
Answer key
- 1012048064
- 1024192512
- 952763904
- 830584
- 778688
- 1225043
- 753571
- 1045678375
- 941192000
- 1061208
- 778688
- 884736
- 1015075125
- 1058089859
- 1157625
- 985074875
- 1027243729
- 857375
- 970299
- 970299
- 1191016
- 1295029
- 830584
- 958585256
- 988047936
- 778688
- 1054977832
- 1015075125
- 1027243729
- 753571
- 970299
- 1027243729
- 1058089859
- 778688
- 982107784
- 970299
- 1058089859
- 970299
- 1225043
- 753571
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