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
- 1.1016³ =
- 2.97³ =
- 3.1002³ =
- 4.1005³ =
- 5.990³ =
- 6.101³ =
- 7.992³ =
- 8.1015³ =
- 9.993³ =
- 10.98³ =
- 11.108³ =
- 12.97³ =
- 13.92³ =
- 14.993³ =
- 15.1020³ =
- 16.1010³ =
- 17.95³ =
- 18.1004³ =
- 19.94³ =
- 20.96³ =
- 21.1015³ =
- 22.94³ =
- 23.109³ =
- 24.94³ =
- 25.96³ =
- 26.109³ =
- 27.106³ =
- 28.93³ =
- 29.106³ =
- 30.108³ =
- 31.99³ =
- 32.92³ =
- 33.104³ =
- 34.995³ =
- 35.108³ =
- 36.98³ =
- 37.990³ =
- 38.994³ =
- 39.1015³ =
- 40.99³ =
Answer key
- 1048772096
- 912673
- 1006012008
- 1015075125
- 970299000
- 1030301
- 976191488
- 1045678375
- 979146657
- 941192
- 1259712
- 912673
- 778688
- 979146657
- 1061208000
- 1030301000
- 857375
- 1012048064
- 830584
- 884736
- 1045678375
- 830584
- 1295029
- 830584
- 884736
- 1295029
- 1191016
- 804357
- 1191016
- 1259712
- 970299
- 778688
- 1124864
- 985074875
- 1259712
- 941192
- 970299000
- 982107784
- 1045678375
- 970299
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