All the solutions provided inÂ McGraw Hill My Math Grade 1 Answer Key PDF Chapter 1 Lesson 5 Vertical Addition will give you a clear idea of the concepts.

Explore and Explain

Teacher Directions: Use to model. Show 2 + 1 on each sign. Trace the counters. Write the addition number sentences.
Explanation:

2 + 1 = 3
a mathematical expression that shows two or more values added together and their sum

See and Show

You can add across. You can add down. The sum is the same if the numbers added are the same.

Question 1.

Explanation:
The sum of 4 and 1 is 5
4 + 1 = 5

Question 2.

_____ + _____ = _____
3 + 3 = 6
Explanation:
The sum of 3 and 3 is 6
3 + 3 = 6

Question 3.

_____ + _____ = _____
4 + 3 = 7
Explanation:
The sum of 4 and 3 is 7
4 + 3 = 7

Question 4.

Explanation:
The sum of 4 and 4 is 8
4 + 4 = 8

Talk Math You know that 5 + 3 = 8. If you add down, what is the sum? Explain.

On My Own

Question 5.

Explanation:
The sum of 6 and 2 is 8
6 + 2 = 8

Question 6.

____ + ____ = _____
4 + 5 = 9
Explanation:
The sum of 4 and 5 is 9
4 + 5 = 9

Question 7.

____ + ____ = _____
5 + 2 = 7
Explanation:
The sum of 5 and 2 is 7
5 + 2 = 7

Question 8.

Explanation:
The sum of 5 and 1 is 6
5 + 1 = 6

Question 9.

____ + ____ = _____
2 + 7 = 9
Explanation:
The sum of 2 and 7 is 9
2 + 7 = 9

Question 10.

Explanation:
The sum of 1 and 7 is 8
1 + 7 = 8

Question 11.
2 + 6 = ____
8
Explanation:
The sum of 2 and 6 is 8
2 + 6 = 8

Question 12.

Explanation:
The sum of

Question 13.
1 + 3 = ____
4
Explanation:
The sum of 1 and 3 is 4
1 + 3 = 4

Problem Solving

Question 14.
Brian saw 5 foxes in a field. He saw 3 other foxes in the woods. How many foxes did Brian see in all?

Explanation:
Brian saw 5 foxes in a field.
He saw 3 other foxes in the woods.
5 + 3 = 8
Brian see 8 foxes in all

Question 15.
Nate found 3bugs. Pablo found 2 bugs. How many bugs did they find in all?

Explanation:
Nate found 3 bugs.
Pablo found 2 bugs.
3 + 2 = 5
5 bugs that they find in all

_________________
_________________
_________________
_________________
Explanation:
both gives the same sum

### McGraw Hill My Math Grade 1 Chapter 1 Lesson 5 My Homework Answer Key

Practice

Question 1.

____ + ____ = ____
5 + 1 = 6
Explanation:
The sum of 5 and 1 is 6
5 + 1 = 6

Question 2.

Explanation:
The sum of 4 and 3 is 7
4 + 3 = 7

Question 3.
2 + 6 = ____
8
Explanation:
The sum of 2 and 6 is 8
2 + 6 = 8

Question 4.
2 + 2 = ____
4
Explanation:
The sum of 2 and 2 is 4
2 + 2 = 4

Question 5.
1 + 4 = ____
5
Explanation:
The sum of 1 and 4 is 5
1 + 4 = 5

Question 6.

Explanation:
The sum of 2 and 7 is 9
2 + 7 = 9

Question 7.
2 + 3 = ____
5
Explanation:
The sum of 2 and 3 is 5
2 + 3 = 5

Question 8.

Explanation:
The sum of 1 and 6 is 7
1 + 6 = 7

Question 9.
There are 2 birds in a nest. 2 more birds fly to the nest. How many birds are there in all?

Explanation:
There are 2 birds in a nest.
2 more birds fly to the nest.
2 + 2 = 4

Question 10.
There are 5 children hiking. Then 3 more children join them. How many children are hiking in all?

Explanation:
The sum of 5 and 3 is 8
5 + 3 = 8

Test Practice

Question 11.