Question

Which is the best estimate of the sum of 356 and 71, IF each number is rounded to the nearest ten?
A) 500
B)430
C)420
D)400

Answer 1

/ 357 + 71= 427 you’ve got to add it to get the sum of the numbers together

Answer 2

Hey there!

So 356 + 71 = 427

and if you round it to the nearest tenth then you're rounding the 27 up. 

This means that your answer will be 430.

Here's a chart to help remind you which numbers to round! :-)

Hope this helps!