Transcript 2.2 Using the Commutative Property of Addition with Count On Facts

Using the Commutative Property of
Addition with Count-On Facts
Module 2.2
Using the Commutative Property of Addition
with Count-On Facts
How many dots are shown on this card?
Using the Commutative Property of Addition
with Count-On Facts
Using what you know about the first card,
how many total dots are there now?
Using the Commutative Property of Addition
with Count-On Facts
How many dots are shown on this card?
Using the Commutative Property of Addition
with Count-On Facts
Using what you know about the first card,
how many total dots are there now?
Using the Commutative Property of Addition
with Count-On Facts
How many dots are shown on this card?
Using the Commutative Property of Addition
with Count-On Facts
Using what you know about the first card,
how many total dots are there now?
Using the Commutative Property of Addition
with Count-On Facts
How many dots are shown on this card?
Using the Commutative Property of Addition
with Count-On Facts
Using what you know about the first card,
how many total dots are there now?
Using the Commutative Property of Addition
with Count-On Facts
How many dots are shown on this card?
Using the Commutative Property of Addition
with Count-On Facts
Using what you know about the first card,
how many total dots are there now?
Using the Commutative Property of Addition
with Count-On Facts
How can we use the
hanger and clothespins to
act out the story?
I need a volunteer to
attach 2 clothespins to
the hangar to represent
the bears that are on the
bus.
What number of
clothespins should we
add? How do you know?
I need a second volunteer
to attach 3 clothespins for
the bears getting on the
bus.
Using the Commutative Property of Addition
with Count-On Facts
What addition fact can we
write to match?
What happens when I
turn the hangar around?
What is the same? What
is different?
Is there another fact we
can write?
Repeat with other
pages….
Using the Commutative Property of Addition
with Count-On Facts
How can you figure out the total? Would you
need to count both numbers? What number
will you put in your head first?
Using the Commutative Property of Addition
with Count-On Facts
How can you figure out the total? Would you
need to count both numbers? What number
will you put in your head first?
Using the Commutative Property of Addition
with Count-On Facts
How can you figure out the total? Would you
need to count both numbers? What number
will you put in your head first?
Math Groups
Rotation
Independent Work
1. Page 34-35
2. Addition Dice
Teacher
Bring Book to Mrs.
Davis’ Table
1
PINK
YELLOW
ORANGE
2
ORANGE
PINK
YELLOW
3
YELLOW
ORANGE
PINK
Fluency
1. Slide +/-
Reflection
Review 2.2
What is the an example of a turn around fact?
2 + 3 = 5 and 3 + 2 = 5
What is the same in these two number sentences?
What is different?