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
- 1.98³ =
- 2.97³ =
- 3.1006³ =
- 4.999³ =
- 5.1020³ =
- 6.97³ =
- 7.105³ =
- 8.102³ =
- 9.93³ =
- 10.92³ =
- 11.96³ =
- 12.1019³ =
- 13.98³ =
- 14.1005³ =
- 15.99³ =
- 16.991³ =
- 17.101³ =
- 18.108³ =
- 19.94³ =
- 20.94³ =
- 21.109³ =
- 22.1006³ =
- 23.991³ =
- 24.91³ =
- 25.107³ =
- 26.981³ =
- 27.997³ =
- 28.991³ =
- 29.101³ =
- 30.95³ =
- 31.1015³ =
- 32.995³ =
- 33.104³ =
- 34.105³ =
- 35.1011³ =
- 36.105³ =
- 37.97³ =
- 38.104³ =
- 39.983³ =
- 40.987³ =
Answer key
- 941192
- 912673
- 1018108216
- 997002999
- 1061208000
- 912673
- 1157625
- 1061208
- 804357
- 778688
- 884736
- 1058089859
- 941192
- 1015075125
- 970299
- 973242271
- 1030301
- 1259712
- 830584
- 830584
- 1295029
- 1018108216
- 973242271
- 753571
- 1225043
- 944076141
- 991026973
- 973242271
- 1030301
- 857375
- 1045678375
- 985074875
- 1124864
- 1157625
- 1033364331
- 1157625
- 912673
- 1124864
- 949862087
- 961504803
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