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
- 1.983³ =
- 2.992³ =
- 3.1018³ =
- 4.98³ =
- 5.997³ =
- 6.91³ =
- 7.988³ =
- 8.92³ =
- 9.99³ =
- 10.102³ =
- 11.995³ =
- 12.93³ =
- 13.1013³ =
- 14.990³ =
- 15.992³ =
- 16.1017³ =
- 17.986³ =
- 18.1004³ =
- 19.94³ =
- 20.984³ =
- 21.106³ =
- 22.94³ =
- 23.91³ =
- 24.94³ =
- 25.1010³ =
- 26.997³ =
- 27.1001³ =
- 28.108³ =
- 29.97³ =
- 30.101³ =
- 31.993³ =
- 32.98³ =
- 33.101³ =
- 34.997³ =
- 35.103³ =
- 36.96³ =
- 37.91³ =
- 38.101³ =
- 39.102³ =
- 40.991³ =
Answer key
- 949862087
- 976191488
- 1054977832
- 941192
- 991026973
- 753571
- 964430272
- 778688
- 970299
- 1061208
- 985074875
- 804357
- 1039509197
- 970299000
- 976191488
- 1051871913
- 958585256
- 1012048064
- 830584
- 952763904
- 1191016
- 830584
- 753571
- 830584
- 1030301000
- 991026973
- 1003003001
- 1259712
- 912673
- 1030301
- 979146657
- 941192
- 1030301
- 991026973
- 1092727
- 884736
- 753571
- 1030301
- 1061208
- 973242271
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