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
- 1.1011³ =
- 2.98³ =
- 3.981³ =
- 4.98³ =
- 5.1012³ =
- 6.105³ =
- 7.999³ =
- 8.96³ =
- 9.994³ =
- 10.91³ =
- 11.987³ =
- 12.97³ =
- 13.108³ =
- 14.1005³ =
- 15.105³ =
- 16.983³ =
- 17.107³ =
- 18.92³ =
- 19.1005³ =
- 20.94³ =
- 21.105³ =
- 22.992³ =
- 23.988³ =
- 24.980³ =
- 25.98³ =
- 26.1018³ =
- 27.97³ =
- 28.96³ =
- 29.1020³ =
- 30.994³ =
- 31.107³ =
- 32.998³ =
- 33.107³ =
- 34.98³ =
- 35.103³ =
- 36.105³ =
- 37.1014³ =
- 38.94³ =
- 39.95³ =
- 40.1008³ =
Answer key
- 1033364331
- 941192
- 944076141
- 941192
- 1036433728
- 1157625
- 997002999
- 884736
- 982107784
- 753571
- 961504803
- 912673
- 1259712
- 1015075125
- 1157625
- 949862087
- 1225043
- 778688
- 1015075125
- 830584
- 1157625
- 976191488
- 964430272
- 941192000
- 941192
- 1054977832
- 912673
- 884736
- 1061208000
- 982107784
- 1225043
- 994011992
- 1225043
- 941192
- 1092727
- 1157625
- 1042590744
- 830584
- 857375
- 1024192512
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