Posted by blaine on .
explain how you can find the difference 12070 using mental math. then name the difference

4th grade 
Ms. Sue,
12 take away 7 is 5. Then add a 0.
12070 = 50 
4th grade 
joanna,
by subtracting and doing good in school

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

4th grade 
jesenia garcia,
7

4th grade math 
Anonymous,
WhatIs the answer using mental math? 12070

4th grade 
umulkhyr,
50