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
- 1.91³ =
- 2.1020³ =
- 3.1004³ =
- 4.980³ =
- 5.93³ =
- 6.984³ =
- 7.106³ =
- 8.981³ =
- 9.104³ =
- 10.92³ =
- 11.1004³ =
- 12.995³ =
- 13.1015³ =
- 14.101³ =
- 15.99³ =
- 16.101³ =
- 17.107³ =
- 18.995³ =
- 19.109³ =
- 20.1019³ =
- 21.108³ =
- 22.92³ =
- 23.108³ =
- 24.104³ =
- 25.95³ =
- 26.95³ =
- 27.104³ =
- 28.99³ =
- 29.95³ =
- 30.983³ =
- 31.996³ =
- 32.109³ =
- 33.101³ =
- 34.105³ =
- 35.99³ =
- 36.107³ =
- 37.106³ =
- 38.980³ =
- 39.1006³ =
- 40.1007³ =
Answer key
- 753571
- 1061208000
- 1012048064
- 941192000
- 804357
- 952763904
- 1191016
- 944076141
- 1124864
- 778688
- 1012048064
- 985074875
- 1045678375
- 1030301
- 970299
- 1030301
- 1225043
- 985074875
- 1295029
- 1058089859
- 1259712
- 778688
- 1259712
- 1124864
- 857375
- 857375
- 1124864
- 970299
- 857375
- 949862087
- 988047936
- 1295029
- 1030301
- 1157625
- 970299
- 1225043
- 1191016
- 941192000
- 1018108216
- 1021147343
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