Practice questions available in **McGraw Hill Math Grade 2 Answer Key PDF Chapter 8 Lesson 8 Adding and Subtracting Lengths **will engage students and is a great way of informal assessment.

## McGraw-Hill Math Grade 2 Answer Key Chapter 8 Lesson 8 Adding and Subtracting Lengths

**Write the equations to find the answer.**

Question 1.

Greg has 16 inches of string. He uses 9 inches to wrap a present. How many inches of string are left?

Answer:

16 – 9 = 7 inches

Question 2.

Allison walks 20 feet. Then she walks 12 more feet. How many feet did Allison walk in all?

Answer:

32 feet

Explanation:

Allison walks 20 feet

Then she walks 12 more feet

Add: 20 and 12

20 + 12 = 32

So, Alison walked 32 feet in all.