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
- 1.107³ =
- 2.91³ =
- 3.103³ =
- 4.95³ =
- 5.998³ =
- 6.94³ =
- 7.98³ =
- 8.1014³ =
- 9.1005³ =
- 10.91³ =
- 11.992³ =
- 12.102³ =
- 13.984³ =
- 14.986³ =
- 15.993³ =
- 16.1012³ =
- 17.1019³ =
- 18.108³ =
- 19.1014³ =
- 20.990³ =
- 21.996³ =
- 22.91³ =
- 23.1017³ =
- 24.1011³ =
- 25.1005³ =
- 26.1010³ =
- 27.105³ =
- 28.107³ =
- 29.94³ =
- 30.1009³ =
- 31.988³ =
- 32.105³ =
- 33.1019³ =
- 34.994³ =
- 35.1005³ =
- 36.981³ =
- 37.98³ =
- 38.93³ =
- 39.994³ =
- 40.1009³ =
Answer key
- 1225043
- 753571
- 1092727
- 857375
- 994011992
- 830584
- 941192
- 1042590744
- 1015075125
- 753571
- 976191488
- 1061208
- 952763904
- 958585256
- 979146657
- 1036433728
- 1058089859
- 1259712
- 1042590744
- 970299000
- 988047936
- 753571
- 1051871913
- 1033364331
- 1015075125
- 1030301000
- 1157625
- 1225043
- 830584
- 1027243729
- 964430272
- 1157625
- 1058089859
- 982107784
- 1015075125
- 944076141
- 941192
- 804357
- 982107784
- 1027243729
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