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
- 1.991³ =
- 2.1017³ =
- 3.96³ =
- 4.109³ =
- 5.94³ =
- 6.96³ =
- 7.103³ =
- 8.98³ =
- 9.98³ =
- 10.98³ =
- 11.94³ =
- 12.1015³ =
- 13.1012³ =
- 14.1005³ =
- 15.101³ =
- 16.96³ =
- 17.92³ =
- 18.1013³ =
- 19.986³ =
- 20.1002³ =
- 21.107³ =
- 22.1020³ =
- 23.99³ =
- 24.99³ =
- 25.101³ =
- 26.91³ =
- 27.995³ =
- 28.102³ =
- 29.95³ =
- 30.98³ =
- 31.107³ =
- 32.99³ =
- 33.106³ =
- 34.98³ =
- 35.99³ =
- 36.992³ =
- 37.1020³ =
- 38.106³ =
- 39.1001³ =
- 40.1004³ =
Answer key
- 973242271
- 1051871913
- 884736
- 1295029
- 830584
- 884736
- 1092727
- 941192
- 941192
- 941192
- 830584
- 1045678375
- 1036433728
- 1015075125
- 1030301
- 884736
- 778688
- 1039509197
- 958585256
- 1006012008
- 1225043
- 1061208000
- 970299
- 970299
- 1030301
- 753571
- 985074875
- 1061208
- 857375
- 941192
- 1225043
- 970299
- 1191016
- 941192
- 970299
- 976191488
- 1061208000
- 1191016
- 1003003001
- 1012048064
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