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
- 1.109³ =
- 2.1014³ =
- 3.985³ =
- 4.108³ =
- 5.107³ =
- 6.105³ =
- 7.108³ =
- 8.989³ =
- 9.990³ =
- 10.96³ =
- 11.982³ =
- 12.94³ =
- 13.96³ =
- 14.92³ =
- 15.999³ =
- 16.101³ =
- 17.980³ =
- 18.108³ =
- 19.108³ =
- 20.997³ =
- 21.95³ =
- 22.995³ =
- 23.1019³ =
- 24.108³ =
- 25.106³ =
- 26.985³ =
- 27.94³ =
- 28.1002³ =
- 29.95³ =
- 30.107³ =
- 31.107³ =
- 32.1001³ =
- 33.983³ =
- 34.98³ =
- 35.994³ =
- 36.1019³ =
- 37.982³ =
- 38.1010³ =
- 39.981³ =
- 40.99³ =
Answer key
- 1295029
- 1042590744
- 955671625
- 1259712
- 1225043
- 1157625
- 1259712
- 967361669
- 970299000
- 884736
- 946966168
- 830584
- 884736
- 778688
- 997002999
- 1030301
- 941192000
- 1259712
- 1259712
- 991026973
- 857375
- 985074875
- 1058089859
- 1259712
- 1191016
- 955671625
- 830584
- 1006012008
- 857375
- 1225043
- 1225043
- 1003003001
- 949862087
- 941192
- 982107784
- 1058089859
- 946966168
- 1030301000
- 944076141
- 970299
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