# McGraw Hill Math Grade 3 Chapter 3 Lesson 9 Answer Key Subtracting Three-Digit Numbers

## McGraw-Hill Math Grade 3 Answer Key Chapter 3 Lesson 9 Subtracting Three-Digit Numbers

Subtract
Subtract. Write the difference.
Question 1.

Explanation:
Difference between:
355 – 214 = 141.

Question 2.

Explanation:
Difference between:
698 – 326 = 372.

Question 3.

Explanation:
Difference between:
843 – 642 = 201.

Question 4.

Explanation:
Difference between:
457 – 135 = 322.

Question 5.
Sassy’s sold 187 pairs of shoes on Saturday and 154 pairs on Sunday. How many more pairs of shoes did Sassy’s sell on Saturday than on Sunday?
33 more pairs of shoes Sassy’s sell on Saturday than on Sunday.

Explanation:
Number of pairs of shoes Sassy’s sold  on Saturday = 187.
Number of pairs of shoes Sassy’s sold  on Sunday = 154.
Difference:
Number of pairs of shoes Sassy’s sold  on Saturday – Number of pairs of shoes Sassy’s sold  on Sunday
= 187 – 154
= 33.

Question 6.
It is 556 miles from Houston to Atlanta. Shelly drove 246 miles today. How many miles does she need to drive tomorrow to reach Atlanta?
Number of miles she need to drive tomorrow to reach Atlanta = 310.

Explanation:
Number of miles from Houston to Atlanta = 556.
Number of miles shelly drove today = 246.
Number of miles she need to drive tomorrow to reach Atlanta = Number of miles from Houston to Atlanta – Number of miles shelly drove today
= 556 – 246
= 310.