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

## McGraw-Hill Math Grade 5 Answer Key Chapter 2 Lesson 5 Models for Adding Decimals

**Draw number lines or grids to help you solve the following addition problems.
**Question 1.

1.30 + 0.70 + 0.45 =

__2.45__

Answer:

1.30 + 0.70 + 0.45 = 2.45.

Explanation:

Sum of 1.30, 0.70 and 0.45:

1.30 + 0.70 + 0.45

= 2.00 + 0.45

= 2.45.

Question 2.

1.45 + 0.50 + 0.65 = ______

Answer:

1.45 + 0.50 + 0.65 = 2.60.

Explanation:

Sum of 1.45, 0.50 and 0.65:

1.45 + 0.50 + 0.65

= 1.95 + 0.65

= 2.60.

Question 3.

1.04 + 0.6 + 0.45 = ____

Answer:

1.04 + 0.6 + 0.45 = 2.09.

Explanation:

Sum of 1.04 , 0.6 and 0.45:

1.04 + 0.6 + 0.45

= 1.64 + 0.45

= 2.09.

Question 4.

6.20 + 4.71 + 0.28 = ____

Answer:

6.20 + 4.71 + 0.28 = 11.19.

Explanation:

Sum of 6.20, 4.71 and 0.28:

6.20 + 4.71 + 0.28

= 10.91 + 0.28

= 11.19.

Question 5.

2.25 + 0.05 + 0.75 + 0.30 = ____

Answer:

2.25 + 0.05 + 0.75 + 0.30 = 3.35.

Explanation:

Sum of 2.25, 0.05, 0.75 and 0.30:

2.25 + 0.05 + 0.75 + 0.30

= 2.30 + 0.75 + 0.30

= 3.05 + 0.30

= 3.35.

Question 6.

Ellen bought mushrooms for $1.49, beans for $1.19, and a dozen eggs for $2.32. Describe one way to find how much Ellen spent.

Answer:

Amount of money spent by Ellen = $5.00.

Explanation:

Cost of mushrooms Ellen bought = $1.49.

Cost of beans Ellen bought = $1.19.

Cost of a dozen eggs Ellen bought = $2.32.

Amount of money spent by Ellen = Cost of mushrooms Ellen bought + Cost of beans Ellen bought + Cost of a dozen eggs Ellen bought

= $1.49 + $1.19 + $2.32

= $2.68 + $2.32

= $5.00.