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
- 1.105³ =
- 2.105³ =
- 3.1009³ =
- 4.993³ =
- 5.92³ =
- 6.1015³ =
- 7.987³ =
- 8.1020³ =
- 9.991³ =
- 10.96³ =
- 11.994³ =
- 12.92³ =
- 13.1018³ =
- 14.1014³ =
- 15.98³ =
- 16.104³ =
- 17.101³ =
- 18.109³ =
- 19.105³ =
- 20.94³ =
- 21.103³ =
- 22.105³ =
- 23.104³ =
- 24.98³ =
- 25.1001³ =
- 26.97³ =
- 27.98³ =
- 28.988³ =
- 29.109³ =
- 30.992³ =
- 31.108³ =
- 32.106³ =
- 33.97³ =
- 34.988³ =
- 35.92³ =
- 36.93³ =
- 37.95³ =
- 38.990³ =
- 39.986³ =
- 40.106³ =
Answer key
- 1157625
- 1157625
- 1027243729
- 979146657
- 778688
- 1045678375
- 961504803
- 1061208000
- 973242271
- 884736
- 982107784
- 778688
- 1054977832
- 1042590744
- 941192
- 1124864
- 1030301
- 1295029
- 1157625
- 830584
- 1092727
- 1157625
- 1124864
- 941192
- 1003003001
- 912673
- 941192
- 964430272
- 1295029
- 976191488
- 1259712
- 1191016
- 912673
- 964430272
- 778688
- 804357
- 857375
- 970299000
- 958585256
- 1191016
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