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
- 1.1009³ =
- 2.93³ =
- 3.1012³ =
- 4.92³ =
- 5.984³ =
- 6.989³ =
- 7.1008³ =
- 8.92³ =
- 9.104³ =
- 10.102³ =
- 11.989³ =
- 12.1019³ =
- 13.1004³ =
- 14.990³ =
- 15.1019³ =
- 16.91³ =
- 17.105³ =
- 18.990³ =
- 19.983³ =
- 20.982³ =
- 21.980³ =
- 22.104³ =
- 23.103³ =
- 24.99³ =
- 25.95³ =
- 26.1017³ =
- 27.1019³ =
- 28.1014³ =
- 29.986³ =
- 30.92³ =
- 31.1012³ =
- 32.106³ =
- 33.92³ =
- 34.1012³ =
- 35.94³ =
- 36.91³ =
- 37.108³ =
- 38.1007³ =
- 39.94³ =
- 40.108³ =
Answer key
- 1027243729
- 804357
- 1036433728
- 778688
- 952763904
- 967361669
- 1024192512
- 778688
- 1124864
- 1061208
- 967361669
- 1058089859
- 1012048064
- 970299000
- 1058089859
- 753571
- 1157625
- 970299000
- 949862087
- 946966168
- 941192000
- 1124864
- 1092727
- 970299
- 857375
- 1051871913
- 1058089859
- 1042590744
- 958585256
- 778688
- 1036433728
- 1191016
- 778688
- 1036433728
- 830584
- 753571
- 1259712
- 1021147343
- 830584
- 1259712
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