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
- 1.1008³ =
- 2.1006³ =
- 3.106³ =
- 4.97³ =
- 5.97³ =
- 6.101³ =
- 7.91³ =
- 8.1017³ =
- 9.94³ =
- 10.1012³ =
- 11.997³ =
- 12.92³ =
- 13.1015³ =
- 14.1007³ =
- 15.1017³ =
- 16.1001³ =
- 17.94³ =
- 18.1014³ =
- 19.996³ =
- 20.1014³ =
- 21.93³ =
- 22.106³ =
- 23.999³ =
- 24.984³ =
- 25.92³ =
- 26.99³ =
- 27.1002³ =
- 28.99³ =
- 29.91³ =
- 30.990³ =
- 31.997³ =
- 32.105³ =
- 33.91³ =
- 34.98³ =
- 35.108³ =
- 36.1005³ =
- 37.103³ =
- 38.92³ =
- 39.103³ =
- 40.91³ =
Answer key
- 1024192512
- 1018108216
- 1191016
- 912673
- 912673
- 1030301
- 753571
- 1051871913
- 830584
- 1036433728
- 991026973
- 778688
- 1045678375
- 1021147343
- 1051871913
- 1003003001
- 830584
- 1042590744
- 988047936
- 1042590744
- 804357
- 1191016
- 997002999
- 952763904
- 778688
- 970299
- 1006012008
- 970299
- 753571
- 970299000
- 991026973
- 1157625
- 753571
- 941192
- 1259712
- 1015075125
- 1092727
- 778688
- 1092727
- 753571
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