Our Class Math Calendar Board
Measurement & Data (MD)
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Operations & Algebraic Thinking (OA)
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Number & Operations in Base Ten (NBT)
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Geometry (G)
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Measure lengths
indirectly and by iterating length units
Tell and write time
Represent and
interpret data
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Represent and solve
problems involving addition and subtraction
Understand and
apply properties of operations and the relationship between addition and
subtraction
Add and subtract
within 20
Work with addition
and subtraction equations
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Extend the counting sequence
Understand place
value
Use place value
understanding and properties of operations to add and subtract
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Reason with shapes
and their attributes
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+
Addition Key
Words
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-
Subtraction Key
Words
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plus
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minus
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add
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take away
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increased by
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decreased by
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more
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less
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total of
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difference of
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combined, together
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difference between
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sum
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difference
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added to
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taken from
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count up
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count back
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How many?
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How many more?
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How many altogether?
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How many less/fewer?
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Sum:
Answer to an addition
problem
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Difference:
Answer to a subtraction
problem
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Equals =
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is, are, was, were, will be
gives, yields, sold for
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