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
- 1.92³ =
- 2.1010³ =
- 3.1011³ =
- 4.1001³ =
- 5.1012³ =
- 6.983³ =
- 7.982³ =
- 8.109³ =
- 9.104³ =
- 10.1004³ =
- 11.1001³ =
- 12.989³ =
- 13.99³ =
- 14.1020³ =
- 15.997³ =
- 16.101³ =
- 17.95³ =
- 18.108³ =
- 19.107³ =
- 20.998³ =
- 21.1004³ =
- 22.1019³ =
- 23.1017³ =
- 24.103³ =
- 25.94³ =
- 26.105³ =
- 27.107³ =
- 28.103³ =
- 29.96³ =
- 30.93³ =
- 31.102³ =
- 32.91³ =
- 33.102³ =
- 34.107³ =
- 35.104³ =
- 36.1008³ =
- 37.104³ =
- 38.998³ =
- 39.93³ =
- 40.990³ =
Answer key
- 778688
- 1030301000
- 1033364331
- 1003003001
- 1036433728
- 949862087
- 946966168
- 1295029
- 1124864
- 1012048064
- 1003003001
- 967361669
- 970299
- 1061208000
- 991026973
- 1030301
- 857375
- 1259712
- 1225043
- 994011992
- 1012048064
- 1058089859
- 1051871913
- 1092727
- 830584
- 1157625
- 1225043
- 1092727
- 884736
- 804357
- 1061208
- 753571
- 1061208
- 1225043
- 1124864
- 1024192512
- 1124864
- 994011992
- 804357
- 970299000
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