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## McGraw-Hill Math Grade 3 Answer Key Chapter 3 Lesson 5 Adding Three-Digit Numbers with Regrouping

**Add**

**Write the sum.**

Question 1.

Answer:

Explanation:

Sum of:

179 + 649 = 828.

Question 2.

Answer:

Explanation:

Sum of:

532 + 368 = 900.

Question 3.

Answer:

Explanation:

Sum of:

287 + 329 = 616.

Question 4.

Answer:

Explanation:

Sum of:

482 + 379 = 861.

Question 5.

Answer:

Explanation:

Sum of:

725 + 187 = 912.

Question 6.

Answer:

Explanation:

Sum of:

447 + 168 = 615.

Question 7.

Answer:

Explanation:

Sum of:

276 + 256 = 532.

Question 8.

Answer:

Explanation:

Sum of:

328 + 399 = 727.

Question 9.

How many pizzas did Scully’s and Alfredo’s sell in June?

Answer:

Total number of pizzas they sold in June = 623.

Explanation:

Number of pizza Scully sold in June = 366.

Number of pizza Alfredo sold in June = 257.

Total number of pizzas they sold in June = Number of pizza Scully sold in June + Number of pizza Alfredo sold in June

= 366 + 257

= 623.