All the solutions provided in **McGraw Hill Math Grade 5 Answer Key PDF Chapter 2 Lesson 3 Adding Whole Numbers** are as per the latest syllabus guidelines.

## McGraw-Hill Math Grade 5 Answer Key Chapter 2 Lesson 3 Adding Whole Numbers

**Solve.**

Question 1.

Answer:

Explanation:

Sum of 23 and 59:

230 + 59 = 289.

Question 2.

Answer:

Explanation:

Sum of 411 and 73:

411 + 73 = 484.

Question 3.

Answer:

Explanation:

Sum of 763 and 79:

763 + 79 = 842.

Question 4.

Answer:

Explanation:

Sum of 402 and 47:

402 + 47 = 449.

Question 5.

Answer:

Explanation:

Sum of 199 and 146:

199 + 146 = 345.

Question 6.

Answer:

Explanation:

Sum of 209 and 781:

209 + 781 = 990.

Question 7.

Answer:

Explanation:

Sum of 435 and 69:

435 + 69 = 504.

Question 8.

Answer:

Explanation:

Sum of 259 and 487:

259 + 487 = 746.

Question 9.

Answer:

Explanation:

Sum of 18 and 183:

18 + 183 = 201.

Question 10.

Answer:

Explanation:

Sum of 721 and 109:

721 + 109 = 830.

Question 11.

Answer:

Explanation:

Sum of 343 and 75:

343 + 75 = 418.

Question 12.

Answer:

Explanation:

Sum of 521 and 112:

521 + 112 = 633.

Question 13.

2,109 + 181 ______________________

Answer:

2,109 + 181 = 2,290.

Explanation:

Sum of 2,109 and 181:

2,109 + 181 = 2,290.

Question 14.

35,129 + 24,761 _______________________

Answer:

35,129 + 24,761 = 59,890.

Explanation:

Sum of 35,129 and 24,761:

35,129 + 24,761 = 59,890.

Question 15.

3,674 + 669 _____

Answer:

3,674 + 669 = 4,343.

Explanation:

Sum of 3,674 and 669:

3,674 + 669 = 4,343.

Question 16.

73,795 + 5,227 ______________________

Answer:

73,795 + 5,227 = 79,022.

Explanation:

Sum of 73,795 and 5,227:

73,795 + 5,227 = 79,022.

Question 17.

In 2010, the three most populated cities in Montana were Billings, 104,170; Missoula, 66,788; and Great Falls, 58,505. What was the total population of these three cities?

Answer:

Total population in these three cities = 2,29,463.

Explanation:

Population in Billings = 104,170.

Population in Missoula = 66,788.

Population in Great Falls = 58,505.

Total population in these three cities = Population in Billings + Population in Missoula + Population in Great Falls

= 1,04,170 + 66,788 + 58,505

= 1,70,958 + 58,505

= 2,29,463.