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
- 1.999³ =
- 2.1016³ =
- 3.97³ =
- 4.1008³ =
- 5.98³ =
- 6.109³ =
- 7.996³ =
- 8.91³ =
- 9.989³ =
- 10.91³ =
- 11.992³ =
- 12.1011³ =
- 13.96³ =
- 14.999³ =
- 15.109³ =
- 16.991³ =
- 17.102³ =
- 18.995³ =
- 19.109³ =
- 20.91³ =
- 21.1008³ =
- 22.1014³ =
- 23.97³ =
- 24.97³ =
- 25.988³ =
- 26.1019³ =
- 27.1019³ =
- 28.986³ =
- 29.93³ =
- 30.94³ =
- 31.993³ =
- 32.97³ =
- 33.996³ =
- 34.1010³ =
- 35.104³ =
- 36.95³ =
- 37.1020³ =
- 38.104³ =
- 39.101³ =
- 40.984³ =
Answer key
- 997002999
- 1048772096
- 912673
- 1024192512
- 941192
- 1295029
- 988047936
- 753571
- 967361669
- 753571
- 976191488
- 1033364331
- 884736
- 997002999
- 1295029
- 973242271
- 1061208
- 985074875
- 1295029
- 753571
- 1024192512
- 1042590744
- 912673
- 912673
- 964430272
- 1058089859
- 1058089859
- 958585256
- 804357
- 830584
- 979146657
- 912673
- 988047936
- 1030301000
- 1124864
- 857375
- 1061208000
- 1124864
- 1030301
- 952763904
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