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Equivalent Number Sentences, Equals Sign Means Equality
3=
Addition and Subtraction 12
Patterns and Algebra 7
Equivalent Number Sentences, Equals Sign Means Equality
3=3
Addition and Subtraction 12
Patterns and Algebra 7
Equivalent Number Sentences, Equals Sign Means Equality
1 + 2=3
Addition and Subtraction 12
Patterns and Algebra 7
Equivalent Number Sentences, Equals Sign Means Equality
1 + 2=2 + 1
Addition and Subtraction 12
Patterns and Algebra 7
Equivalent Number Sentences, Equals Sign Means Equality
3
= 2 + 2
Addition and Subtraction 12
Patterns and Algebra 7
Equivalent Number Sentences, Equals Sign Means Equality
1 + 3
= 2 + 2
Addition and Subtraction 12
Patterns and Algebra 7
Equivalent Number Sentences, Equals Sign Means Equality
2
=
4
Addition and Subtraction 12
Patterns and Algebra 7
Equivalent Number Sentences, Equals Sign Means Equality
2
= 4 -2
Addition and Subtraction 12
Patterns and Algebra 7
Equivalent Number Sentences, Equals Sign Means Equality
Addition and Subtraction 12
Patterns and Algebra 7
Equivalent Number Sentences, Equals Sign Means Equality
7 =
Addition and Subtraction 12
Patterns and Algebra 7
Equivalent Number Sentences, Equals Sign Means Equality
7 = 7
Addition and Subtraction 12
Patterns and Algebra 7
Equivalent Number Sentences, Equals Sign Means Equality
2+5 = 7
Addition and Subtraction 12
Patterns and Algebra 7
Equivalent Number Sentences, Equals Sign Means Equality
2+5 = 3+4
Addition and Subtraction 12
Patterns and Algebra 7
Equivalent Number Sentences, Equals Sign Means Equality
5 = 7
Addition and Subtraction 12
Patterns and Algebra 7
Equivalent Number Sentences, Equals Sign Means Equality
5 = 7-2
Addition and Subtraction 12
Patterns and Algebra 7
Equivalent Number Sentences, Equals Sign Means Equality
__ + __ = __ - __
2 + 5 = 10 - 3
Addition and Subtraction 12
Patterns and Algebra 7
Equivalent Number Sentences, Equals Sign Means Equality
3+3 = 6
3= 6-3
Addition and Subtraction 12
Patterns and Algebra 7
GUIDED INVESTIGATION
How could we create a number
sentence using an equal arm
balance?
What numbers could we use to
create a number sentence?
How could we create a number
sentence using these cards?
INDEPENDENT INVESTIGATION
I created a number sentence using an
equal arm balance by …
The numbers I used to create a
number sentence are …
I created a number sentence using
cards by …
My number sentence says ...
What does your number sentence
say?
My number sentence is / is not true
because both sides are / are not equal.
Is your number sentence true?
I made my number sentence true by
adding / subtracting …`
How could you make your number
sentence true?
Addition and Subtraction 12
Patterns and Algebra 7
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