Posted by **stephanie** on Monday, August 29, 2011 at 7:20pm.

use propertise and mental math to find

the value.

19+(28+21)

3 times 270

(86+27)+3

- math -
**katie **, Monday, August 29, 2011 at 7:25pm
68

810

116

## Answer This Question

## Related Questions

- properties and mental math - use properties and mental math to find the value of...
- math - use mental math to find each value cost of 8 items at $12.98 each
- math - use mental math to find each value 5% rebate on a $150 cell phones
- math - use properties and mental math to find the value. (10times8)times3 8times...
- Math - Use a double or half angle identity to find the exact value of the ...
- math mental math help - i need to use mental math and the distributive property ...
- Math - I need help with this problem. The question is : Find the exact value of ...
- math mental math - shelley spent 17 min washing the dishes. she spent 38 min ...
- math help - i need to use mental math and the distributive property to simplify...
- math - On Saturday, the fruit and juice bar was selling 30 glasses of fruit ...

More Related Questions