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
- 1.93³ =
- 2.1015³ =
- 3.984³ =
- 4.93³ =
- 5.106³ =
- 6.102³ =
- 7.94³ =
- 8.109³ =
- 9.1006³ =
- 10.987³ =
- 11.92³ =
- 12.97³ =
- 13.1019³ =
- 14.104³ =
- 15.98³ =
- 16.92³ =
- 17.1020³ =
- 18.94³ =
- 19.991³ =
- 20.94³ =
- 21.1015³ =
- 22.104³ =
- 23.993³ =
- 24.94³ =
- 25.983³ =
- 26.104³ =
- 27.1001³ =
- 28.99³ =
- 29.99³ =
- 30.996³ =
- 31.98³ =
- 32.982³ =
- 33.992³ =
- 34.93³ =
- 35.109³ =
- 36.105³ =
- 37.98³ =
- 38.102³ =
- 39.108³ =
- 40.97³ =
Answer key
- 804357
- 1045678375
- 952763904
- 804357
- 1191016
- 1061208
- 830584
- 1295029
- 1018108216
- 961504803
- 778688
- 912673
- 1058089859
- 1124864
- 941192
- 778688
- 1061208000
- 830584
- 973242271
- 830584
- 1045678375
- 1124864
- 979146657
- 830584
- 949862087
- 1124864
- 1003003001
- 970299
- 970299
- 988047936
- 941192
- 946966168
- 976191488
- 804357
- 1295029
- 1157625
- 941192
- 1061208
- 1259712
- 912673
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