2.1 Working with Addition

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Transcript 2.1 Working with Addition

Working with Addition
Module 2.1
Working with Addition
What do you know about addition?
Addition involves having two or more parts
which are joined together.
Can anyone give an example of an addition
story?
Working with Addition
What do you know
about bears? What do
you think this story
might be about?
Read Story
Working with Addition
What happened in the
story?
What did you see in
each picture?
There are always
bears already on the
bus and bears that are
getting on the bus.
Working with Addition
Turn to page 4-5.
What did you see
happening here?
What can we write
about the two groups
of bears?
What is a short way to
use numbers to write
about the bears?
Working with Addition
Our addition
sentences tell us
about a total number
of bears. It also tells
us about the two parts
that make the total.
Which number shows
us the total?
Which numbers show
us the parts?
Reflection
Review 2.1
What is the “Part” and what is the “Total” in
Questions 2 and 3.
What did you notice about the Number Sentence in
the Step Ahead?
10=6+4 and 6+4=10
Do you think these addition sentences are the
same? Why or Why Not?