math
posted by judy williams .
Use frontend estimation with adjustment to estimate each of the following:
a. 2345 + 5250 + 4210 + 910
b. 345 + 518 + 655 + 270

math 
Henry
a. 2300 + 5300 + 4200 + 900 = 12,700.
b. 300 + 500 + 700 + 300 = 1800.
Respond to this Question
Similar Questions

Elementary Math
Can you explain what the difference between rounding and front end estimation is? 
math
Use frontend estimation with or without adjustment as indicated to find the value of the expression. 4) 10,656  3967 (with adjustment) 
Math
How would I go about solving this problem? 
5th grade Math
You want to estimate 5.253.3. Why would using frontend estimation and adjusting tell you more about the answer than rounding? 
math
You want to estimate 5.253.3 why would using frontend estimation tell you more about the answer than rounding? 
Math
Can someone help me please, I am having a hard time understanding these three problems Clustering: 133 + 98 + 121 + 92 + 96 Substitute compatible numbers: 134 x 19 Frontend estimation with adjustment: 2,152 + 8,376 
math Did I do it right?
Use frontend estimation to find the value of the expression. I do not understand (without adjustment) 687  239 (without adjustment) is this right? 
3rd grade math
front end estimation to estimate the sum...like..436+517= ~~~~~~also we have some problems that say use rounding to estimate the sum...like..236+710=....DO WE DO BOTH OF THESE THE SAME WAY? 
math
frontend estimation to find and estimate for 4,381+321+6,918 
answer
7594  2831 what is the front end estimation with adjustment to estimate each difference