1. Addition Using a Number Line
0011 0010 1010 1101 0001 0100 1011
Mrs. Patty – 2nd 1
2
4
Grade
1
2. Before we begin….
0011 0010 1010 1101 0001 0100 1011
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!
0011 0010 1010 1101 0001 0100 1011
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?
0011 0010 1010 1101 0001 0100 1011
• 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
0011 0010 1010 1101 0001 0100 1011
Count along with Froggy!
1
2
4 5
Video from YouTube - http://youtu.be/M-wG4X_dYLc
6. Adding with a Number Line
0011 0010 1010 1101 0001 0100 1011
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
0011 0010 1010 1101 0001 0100 1011
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
0011 0010 1010 1101 0001 0100 1011
• 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
0011 0010 1010 1101 0001 0100 1011
Mrs. Patty will show some
examples up on the board
1
2
4 9
10. Now it’s YOUR turn!
0011 0010 1010 1101 0001 0100 1011
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!
0011 0010 1010 1101 0001 0100 1011
CREATE YOUR OWN NUMBER
LINE!!!!
Spend some time decorating your very1
2
4
own number line to use for the rest of
the year!
11
12. GREAT JOB!!
0011 0010 1010 1101 0001 0100 1011
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
12
13. Resources
0011 0010 1010 1101 0001 0100 1011
• 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
13
