### Home > CC1 > Chapter 4 > Lesson 4.1.3 > Problem 4-35

4-35.

Estimate each sum or difference below by stating which whole numbers the answer should be between. Then check your conclusion by calculating the actual sum or difference. Homework Help ✎

About how big should their difference be? Estimate by first subtracting

from and then subtracting from .

To estimate the difference, try rounding the first term to

and the second term to .

To calculate the sum, you may want to convert these mixed numbers into fractions greater than one before adding.

The answer should be between

and .

How can you tell?

Since each of these have a portion just over one-half, try rounding one up to the nearest whole number and rounding the other one down.