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# The Equal Sign:

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by

## Bridget Coleman

on 13 March 2017

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#### Transcript of The Equal Sign:

=
A symbol of equivalence
Equivalence Relationship

"is the same as" and "equals"

Investigating
the Equal Sign
in Grades K - 1
7 + 5 = ___ + 4
How did you figure it out?
The equal sign (=) means _____.

The Equal Sign:
What it really means
Based on Starting Point 7 from About Teaching Mathematics (4th ed.) by Marilyn Burns
Students thoughts about = :
The answer must be next

7 = 6 + 1 vs. 6 + 1 = 7
Composing & Decomposing Numbers
=
Investigating the

Quack and Count
by Keith Baker

Lessons for Algebraic Thinking: Grades K - 2
(2002) by Burns & von Rotz pp. 128-156
Student responses
Student misconceptions
Resources:
Lead Number Talks to evaluate equations
Incorporate "true" and "false"
Incorporate = (not equal to)

Introduce Open Sentences
___ = 20 + 30
___ + 10 = 20 + 30
20 + 30 = 70 - ___
Other Ideas:
Full transcript