Number Lines

1. Addition Using a Number Line
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Mrs. Patty – 2nd 1
2
4
Grade
1

2. Before we begin….
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Let’s practice our counting!
Each of you has a number card.
In front of the class, organize the 1
2
4
numbers in correct counting
order!
2

3. GREAT JOB!
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You guys did a fantastic job of arranging the
numbers in the correct order 
Did what we put together as a class look
something like this? That’s a number line! 1
2
10xhalf_41656.htm
4
Image from: http://etc.usf.edu/clipart/41600/41656/0- 3

4. What is a number line?
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• A number line is a tool we can use
to solve addition equations
1
2
• It’s another way to keep track of
counting!
What are some other tools
we use to help count?
4 4

5. Counting With a Number Line
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Count along with Froggy!
1
2
4 5
Video from YouTube - http://youtu.be/M-wG4X_dYLc

6. Adding with a Number Line
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This jelly bean can do it….you can too!
1
2
4 6
Video from YouTube - http://youtu.be/dI5P4MPYazE

7. Arches on a number line
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A great way to keep track of your counting on
a number line is to use arches to mark the start
1
2
and end of your counting.
4
Image from - http://excelmathmike.blogspot.com/2012/05/using-
number-lines-to-add-and-subtract.html
7

8. Arches on a number line
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• Starting with you pencil on zero,
draw an arch counting up to the first
1
2
number in the equation
• Starting from that number, count up
4
the number line and create another
arch up to the second number
• The number where your pencil
lands is the answer to your addition
equation! 8

9. Watch and Learn
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Mrs. Patty will show some
examples up on the board 
1
2
4 9

10. Now it’s YOUR turn!
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Using the number line paper on your desk,
solve the following equations (be sure to use
1
2
your arches!):
4
3+4=
1+5=
5+2=
10

11. Craft Corner!
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CREATE YOUR OWN NUMBER
LINE!!!!
Spend some time decorating your very1
2
4
own number line to use for the rest of
the year!
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12. GREAT JOB!!
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You have just learned how to solve
addition equations using a number
1
2
line!
4
Please work quietly on the worksheet
that I handed out 
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13. Resources
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• Math Excel Blog. (May 2012) Retrieved July 10, 2012, from
http://excelmathmike.blogspot.com/2012/05/using-number-lines-to-add-and-subtract.html
• Adding Integers Using a Number Line. (n.d.) Retrieved July 10, 2012, from
http://betterlesson.com/lesson/12344/add-integers-using-number-line
2
• Basic Adding. (n.d.) Retrieved July 10, 2012, from
1
http://www.brainpopjr.com/math/additionandsubtraction/basicadding/grownups.weml
• Lesson Planet – Adding Using Number Lines Lesson Plans. (n.d.) Retrieved July 10, 2012, from
http://www.lessonplanet.com/search?keywords=addition+using+number+lines&media=lesson
• Complabtacher (2011, October 3.) Counting 1 - 10 on the Number Line With Froggy. Retrieved July
4
10, 2012, from http://youtu.be/M-wG4X_dYLc
• peterweatherall (2008, November 13.) Number line addition by Peter Weatherall. Retrieved July 10,
2012, from http://youtu.be/dI5P4MPYazE
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