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 =
- 2.993³ =
- 3.108³ =
- 4.988³ =
- 5.109³ =
- 6.1005³ =
- 7.1015³ =
- 8.108³ =
- 9.984³ =
- 10.984³ =
- 11.999³ =
- 12.991³ =
- 13.101³ =
- 14.93³ =
- 15.104³ =
- 16.94³ =
- 17.1020³ =
- 18.109³ =
- 19.994³ =
- 20.105³ =
- 21.1002³ =
- 22.1019³ =
- 23.96³ =
- 24.989³ =
- 25.107³ =
- 26.1001³ =
- 27.1016³ =
- 28.103³ =
- 29.109³ =
- 30.103³ =
- 31.982³ =
- 32.109³ =
- 33.97³ =
- 34.94³ =
- 35.93³ =
- 36.101³ =
- 37.99³ =
- 38.93³ =
- 39.102³ =
- 40.984³ =
Answer key
- 753571
- 979146657
- 1259712
- 964430272
- 1295029
- 1015075125
- 1045678375
- 1259712
- 952763904
- 952763904
- 997002999
- 973242271
- 1030301
- 804357
- 1124864
- 830584
- 1061208000
- 1295029
- 982107784
- 1157625
- 1006012008
- 1058089859
- 884736
- 967361669
- 1225043
- 1003003001
- 1048772096
- 1092727
- 1295029
- 1092727
- 946966168
- 1295029
- 912673
- 830584
- 804357
- 1030301
- 970299
- 804357
- 1061208
- 952763904
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