4th grade
posted by blaine .
explain how you can find the difference 12070 using mental math. then name the difference

12 take away 7 is 5. Then add a 0.
12070 = 50 
by subtracting and doing good in school

sara picked 16 flowers. 9 of the flowers were red. the rest of the flowers were yellow. how many yellow flowers did sara pick?

7

WhatIs the answer using mental math? 12070

50