Transcript What is a Broken Heart?

Objectives
Mathematics: Standard 3: Number Operations and
Computation - The student will use models to construct
addition and subtraction facts with whole numbers through
10.
Mathematics Process Standard 2: Communication - Express
mathematical ideas coherently and clearly to peers, teachers,
and others (e.g., with verbal ideas, models or manipulatives,
pictures, or symbols).
The Student Will:
•Demonstrate knowledge of addition and subtraction
•Communicate with peers and teacher during activity with math
facts
Addition
Addition is when you have something or
some things and you put (add) some
more things with it or them. The total is
called the sum.
A Plus (+) sign means to add.
An Equals (=) sign means the total
or sum.
Addition
5 + 7 = 12
+
=
Practice
Check Your Answers!
2+5=
7
3+2=
5
4+6=
10
5+1=
6
7+1=
8
Subtraction
Subtraction is when you have something
or some things and you take away some.
What is left is called the difference.
A Minus (-) sign means to take away.
An Equals (=) sign means the total
left or difference.
Subtraction
12 - 5 = 7
-
=
Practice
Check Your Answers!
9–8=
1
4–2=
2
5–3=
2
7–4=
3
6–5=
1
What is a Broken
Heart?
How do you Mend
a Broken Heart?
People say they have a
Broken Heart whenever
their feelings are hurt and
they are sad.
To Mend a Broken Heart is
to feel better about
something or to be happy
again.
Mend My Broken
Heart
I’ve made a bunch of hearts
and now they’re all broken!
Help me put them back
together again so my heart
won’t be broken!
Mend My Broken
Heart
Your job is to find your
other correct half so you
can Mend Your Broken
Heart.
The Trick
My hearts were special!
They each have their own
special sweetheart that
they belong to. You must
find the correct one!
5+2
5+2=7
=7
Conclusion
Addition is joining things
together.
Subtraction is taking
things away.
Did you all mend your
broken hearts correctly?