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 =
- 2.92³ =
- 3.983³ =
- 4.103³ =
- 5.995³ =
- 6.107³ =
- 7.1014³ =
- 8.1017³ =
- 9.108³ =
- 10.104³ =
- 11.99³ =
- 12.97³ =
- 13.108³ =
- 14.93³ =
- 15.998³ =
- 16.985³ =
- 17.995³ =
- 18.985³ =
- 19.94³ =
- 20.106³ =
- 21.97³ =
- 22.109³ =
- 23.989³ =
- 24.103³ =
- 25.107³ =
- 26.999³ =
- 27.109³ =
- 28.106³ =
- 29.91³ =
- 30.93³ =
- 31.99³ =
- 32.1015³ =
- 33.106³ =
- 34.91³ =
- 35.95³ =
- 36.990³ =
- 37.990³ =
- 38.101³ =
- 39.96³ =
- 40.103³ =
Answer key
- 1225043
- 778688
- 949862087
- 1092727
- 985074875
- 1225043
- 1042590744
- 1051871913
- 1259712
- 1124864
- 970299
- 912673
- 1259712
- 804357
- 994011992
- 955671625
- 985074875
- 955671625
- 830584
- 1191016
- 912673
- 1295029
- 967361669
- 1092727
- 1225043
- 997002999
- 1295029
- 1191016
- 753571
- 804357
- 970299
- 1045678375
- 1191016
- 753571
- 857375
- 970299000
- 970299000
- 1030301
- 884736
- 1092727
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