All the solutions provided in McGraw Hill My Math Grade 1 Answer Key PDF Chapter 1 Lesson 5 Vertical Addition will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 1 Answer Key Chapter 1 Lesson 5 Vertical Addition
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.
Write the numbers. Add.
Question 1.
Answer:
Explanation:
The sum of 4 and 1 is 5
4 + 1 = 5
Question 2.
_____ + _____ = _____
Answer:
3 + 3 = 6
Explanation:
The sum of 3 and 3 is 6
3 + 3 = 6
Question 3.
_____ + _____ = _____
Answer:
4 + 3 = 7
Explanation:
The sum of 4 and 3 is 7
4 + 3 = 7
Question 4.
Answer:
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
Write the numbers. Add.
Question 5.
Answer:
Explanation:
The sum of 6 and 2 is 8
6 + 2 = 8
Question 6.
____ + ____ = _____
Answer:
4 + 5 = 9
Explanation:
The sum of 4 and 5 is 9
4 + 5 = 9
Question 7.
____ + ____ = _____
Answer:
5 + 2 = 7
Explanation:
The sum of 5 and 2 is 7
5 + 2 = 7
Question 8.
Answer:
Explanation:
The sum of 5 and 1 is 6
5 + 1 = 6
Question 9.
____ + ____ = _____
Answer:
2 + 7 = 9
Explanation:
The sum of 2 and 7 is 9
2 + 7 = 9
Question 10.
Answer:
Explanation:
The sum of 1 and 7 is 8
1 + 7 = 8
Add.
Question 11.
2 + 6 = ____
Answer:
8
Explanation:
The sum of 2 and 6 is 8
2 + 6 = 8
Question 12.
Answer:
Explanation:
The sum of
Question 13.
1 + 3 = ____
Answer:
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?
Answer:
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?
Answer:
Explanation:
Nate found 3 bugs.
Pablo found 2 bugs.
3 + 2 = 5
5 bugs that they find in all
Write Math How is adding down different from adding across? Explain.
_________________
_________________
_________________
_________________
Explanation:
Adding down and adding across are same
both gives the same sum
McGraw Hill My Math Grade 1 Chapter 1 Lesson 5 My Homework Answer Key
Practice
Write the numbers. Add.
Question 1.
____ + ____ = ____
Answer:
5 + 1 = 6
Explanation:
The sum of 5 and 1 is 6
5 + 1 = 6
Question 2.
Answer:
Explanation:
The sum of 4 and 3 is 7
4 + 3 = 7
Add.
Question 3.
2 + 6 = ____
Answer:
8
Explanation:
The sum of 2 and 6 is 8
2 + 6 = 8
Question 4.
2 + 2 = ____
Answer:
4
Explanation:
The sum of 2 and 2 is 4
2 + 2 = 4
Question 5.
1 + 4 = ____
Answer:
5
Explanation:
The sum of 1 and 4 is 5
1 + 4 = 5
Add.
Question 6.
Answer:
Explanation:
The sum of 2 and 7 is 9
2 + 7 = 9
Question 7.
2 + 3 = ____
Answer:
5
Explanation:
The sum of 2 and 3 is 5
2 + 3 = 5
Question 8.
Answer:
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?
Answer:
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?
Answer:
Explanation:
The sum of 5 and 3 is 8
5 + 3 = 8
Test Practice
Question 11.
Answer:
Explanation:
The sum of 4 and 5 is 9
4 + 5 = 9
Math at Home Give your child an addition number sentence. Have your child show how to add across and down.