McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add

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All the solutions provided in McGraw Hill My Math Grade 1 Answer Key PDF Chapter 3 Lesson 3 Use a Number Line to Add will give you a clear idea of the concepts.

McGraw-Hill My Math Grade 1 Answer Key Chapter 3 Lesson 3 Use a Number Line to Add

Explore and Explain

McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 1
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 1

Explanation:
A car is driving across the bridge
It starts at the number 4
It drives 3 spaces to the right
I started with the greater number 4
Moved 3 spaces
Now, I am at 7
So, the car stops at 7
The addition number sentence is 4 + 3 = 7.

Teacher Directions: Use McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 2 to model. A car is driving across the bridge. It starts at the number 4. It drives 3 spaces to the right. Where does the car stop? Write the addition number sentence.

See and Show

You can use a number line to add. Start with the greater number and count on by moving to the right.

McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 3

Helpful Hint
Start with the greater number. 5, 6, 7, 8

Use the number line to add. Show your work. Write the sum.

Question 1.
6 + 2 = ____
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 4
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 2

Explanation:
I started with the greater number 6
Moved 2 spaces
Now, I am at 8
So, the addition sentence is 6 + 2 = 8.

Question 2.
8 + 2 = ____
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 5
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 3

Explanation:
I started with the greater number 8
Moved 2 spaces
Now, I am at 10
So, the addition sentence is 8 + 2 = 10.

Question 3.
1 + 4 = ____
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 6
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 4

Explanation:
I started with the greater number 4
Moved 1 space
Now, I am at 5
So, the addition sentence is 1 + 4 = 5.

Question 4.
7 + 2 = ____
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 7
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 5

Explanation:
I started with the greater number 7
Moved 2 spaces
Now, I am at 9
So, the addition sentence is 7 + 2 = 9.

Talk Math How does a number line help you add?
Answer:
Addition on a number line is done by the counting logic. To add a positive number, we move towards the right-hand side of the number line, whereas, to add a negative number, we move in the backward direction (left side) on the number line.

On My Own

Use the number line to add. Write the sum.

McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 8

Question 5.
3 + 4 = ____
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 6

Explanation:
I started with the greater number 4
Moved 3 spaces
Now, I am at 7
So, the addition sentence is 3 + 4  = 7.

Question 6.
2 + 9 = ____
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 7

Explanation:
I started with the greater number 9
Moved 2 spaces
Now, I am at 11
So, the addition sentence is 2 + 9 = 11.

Question 7.
1 + 8 = ___
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 8

Explanation:
I started with the greater number 8
Moved 1 space
Now, I am at 9
So, the addition sentence is 1 + 8 = 9.

Question 8.
7 + 3 = ____
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 9

Explanation:
I started with the greater number 7
Moved 3 spaces
Now, I am at 10
So, the addition sentence is 7 + 3 = 10.

Question 9.
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 11
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 15

Explanation:
I started with the greater number 6
Counted on 1 more
Now, I am at 7
So, the addition sentence is 6 + 1 = 7.

Question 10.
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 12
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 16

Explanation:
I started with the greater number 8
Counted on 3 more
Now, I am at 11
So, the addition sentence is 8 + 3 = 11.

Question 11.
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 13
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 17

Explanation:
I started with the greater number 9
Counted on 1 more
Now, I am at 10
So, the addition sentence is 1 + 9 = 10.

Question 12.
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 14
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 18

Explanation:
I started with the greater number 7
Counted on 2 more
Now, I am at 9
So, the addition sentence is 2 + 7 = 9.

Question 13.
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 15
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 19

Explanation:
I started with the greater number 9
Counted on 3 more
Now, I am at 12
So, the addition sentence is 9 + 3 = 12.

Question 14.
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 16
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 20

Explanation:
I started with the greater number 5
Counted on 2 more
Now, I am at 7
So, the addition sentence is 5 + 2 = 7.

Question 15.
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 17
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 21

Explanation:
I started with the greater number 7
Counted on 1 more
Now, I am at 8
So, the addition sentence is 1 + 7 = 8.

Question 16.
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 18
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 22

Explanation:
I started with the greater number 4
Counted on 2 more
Now, I am at 6
So, the addition sentence is 6.

Question 17.
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 19
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 23

Explanation:
I started with the greater number 6
Counted on 3 more
Now, I am at 6
So, the addition sentence is 6 + 3 = 9.

Problem Solving

Use the number line to solve.

McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 20

Question 18.
Amelio saw 5 bikes. His brother saw 2 bikes. How many bikes did they see in all?
___ bikes
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 10

Explanation:
Amelio saw 5 bikes
His brother saw 2 bikes
I started with the greater number 5
Moved 2 spaces
Now, I am at 7
The addition sentence is 5 + 2 = 7
So, they saw 7 bikes in all.

Question 19.
Liz saw 8 pigeons. Logan saw 2 pigeons. How many pigeons did they see in all?
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 9
____ pigeons
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 11

Explanation:
Liz saw 8 pigeons
Logan saw 2 pigeons
I started with the greater number 8
Moved 2 spaces
Now, I am at 10
The addition sentence is 8 + 2 = 10
So, they saw 10 pigeons in all.

Write Math Why do you start with the greater number when adding on a number line?
_____________________________
_____________________________
_____________________________
_____________________________
Answer:
The reason to start with the greater number when adding on a number line is that it helps you to deal in which direction you have to move either on right or left of number line of that number.

McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 My Homework Answer Key

Practice

Use the number Sine above to add. Write the sum.

Question 1.
1 + 8 = ____
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 8

Explanation:
I started with the greater number 8
Moved 1 space
Now, I am at 9
So, the addition sentence is 8 + 1 = 9.

Question 2.
8 + 2 = ____
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 3

Explanation:
I started with the greater number 8
Moved 2 spaces
Now, I am at 10
So, the addition sentence is 8 + 2 = 10.

Question 3.
5 + 3 = ___
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 13

Explanation:
I started with the greater number 5
Moved 3 spaces
Now, I am at 8
So, the addition sentence is 5 + 3 = 8.

Question 4.
8 + 3 = ___
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 12

Explanation:
I started with the greater number 8
Moved 3 spaces
Now, I am at 11
So, the addition sentence is 8 + 3 = 11.

Question 5.
7 + 2 = ___
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 5

Explanation:
I started with the greater number 7
Moved 2 spaces
Now, I am at 9
So, the addition sentence is 7 + 2 = 9.

Question 6.
4 + 1 = ___
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 4

Explanation:
I started with the greater number 4
Moved 1 space
Now, I am at 5
So, the addition sentence is 4 + 1 = 5.

Question 7.
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 21
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 24

Explanation:
I started with the greater number 9
Counted on 2 more
Now, I am at 11
So, the addition sentence is 9 + 2 = 11.

Question 8.
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 22
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 25

Explanation:
I started with the greater number 4
Counted on 3 more
Now, I am at 7
So, the addition sentence is 4 + 3 = 7.

Question 9.
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 23
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 26

Explanation:
I started with the greater number 6
Counted on 3 more
Now, I am at 9
So, the addition sentence is 6 + 3 = 9.

Use the number line to solve.

McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 24

Question 10.
There are 6 people waiting for a taxi. 2 more people get in line. How many people are waiting for a taxi in all?
_____ people
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 2

Explanation:
There are 6 people waiting for a taxi
2 more people get in line
I started with the greater number 6
Moved 2 spaces
Now, I am at 8
The addition sentence is 6 + 2 = 8
So, 8 people are waiting for a taxi in all.

Question 11.
Abigail puts 9 toy planes and 3 toy cars on a shelf. How many toys did she put on the shelf?
_____ toys
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key Use a Number Line to Add 25
Answer:
McGraw Hill My Math Grade 1 Chapter 3 Lesson 3 Answer Key img 14

Explanation:
Abigail puts 9 toy planes and 3 toy cars on a shelf
I started with the greater number 9
Moved 3 spaces
Now, I am at 12
The addition sentence is 9 + 3 = 12
So, Abigail puts 12 toys on the shelf.

Vocabulary Check

Complete each sentence.

number    line count on

Question 12.
When you add on a ______, start with the greater number and move to the right.
Answer:
number

Explanation:
When you add on a number, start with the greater number and move to the right.

Question 13.
To ____, start with the greater number.
Answer:
line count on

Explanation:
To line count on, start with the greater number.

Math at Home Help your child create a number line from 0 to 10. Then, ask your child to use the number line to show 1 + 9.

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