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
- 1.91³ =
- 2.1009³ =
- 3.106³ =
- 4.1014³ =
- 5.989³ =
- 6.997³ =
- 7.91³ =
- 8.104³ =
- 9.1002³ =
- 10.107³ =
- 11.96³ =
- 12.93³ =
- 13.106³ =
- 14.989³ =
- 15.101³ =
- 16.91³ =
- 17.107³ =
- 18.1012³ =
- 19.103³ =
- 20.106³ =
- 21.1008³ =
- 22.997³ =
- 23.109³ =
- 24.994³ =
- 25.1008³ =
- 26.1008³ =
- 27.1018³ =
- 28.92³ =
- 29.93³ =
- 30.982³ =
- 31.96³ =
- 32.1011³ =
- 33.109³ =
- 34.989³ =
- 35.95³ =
- 36.998³ =
- 37.96³ =
- 38.91³ =
- 39.992³ =
- 40.97³ =
Answer key
- 753571
- 1027243729
- 1191016
- 1042590744
- 967361669
- 991026973
- 753571
- 1124864
- 1006012008
- 1225043
- 884736
- 804357
- 1191016
- 967361669
- 1030301
- 753571
- 1225043
- 1036433728
- 1092727
- 1191016
- 1024192512
- 991026973
- 1295029
- 982107784
- 1024192512
- 1024192512
- 1054977832
- 778688
- 804357
- 946966168
- 884736
- 1033364331
- 1295029
- 967361669
- 857375
- 994011992
- 884736
- 753571
- 976191488
- 912673
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