Shows understanding of how to combine sets and remove from a concrete set (receptive knowledge)
- Child indicates there are more when they combine (add) sets of objects together.
- VI.A.b.1.a
- Child indicates there are less when they remove (subtract) objects from a set.
- VI.A.b.1.b
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BIG IDEA 1:
Represent, compare, and order whole numbers and join and separate sets.
- Solve word problems involving simple joining and separating situations.
- MA.K.A.1.3
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BIG IDEA 1:
Develop understandings of addition and subtraction strategies for basic addition facts and related subtraction facts.
- Model addition and subtraction situations using the concepts of "part-whole," "adding to," "taking away from," "comparing,” and "missing addend."
- MA.1.A.1.1
- Identify, describe, and apply addition and subtraction as inverse operations.
- MA.1.A.1.2
- Create and use increasingly sophisticated strategies, and use properties such as Commutative, Associative and Additive Identity, to add whole numbers.
- MA.1.A.1.3
- Use counting strategies, number patterns, and models as a means for solving basic addition and subtraction fact problems.
- MA.1.A.1.4
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BIG IDEA 2:
Develop quick recall of addition facts and related subtraction facts and fluency with multi-digit addition and subtraction.
- Recall basic addition and related subtraction facts.
- MA.2.A.2.1
- Add and subtract multi-digit whole numbers through three digits with fluency by using a variety of strategies, including invented and standard algorithms and explanations of those procedures.
- MA.2.A.2.2
- Estimate solutions to multi-digit addition and subtraction problems, through three digits.
- MA.2.A.2.3
- Solve addition and subtraction problems that involve measurement and geometry.
- MA.2.A.2.4
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BIG IDEA 1:
Develop understandings of multiplication and division and strategies for basic multiplication facts and related division facts.
- Model multiplication and division including problems presented in context: repeated addition, multiplicative comparison, array, how many combinations, measurement, and partitioning.
- MA.3.A.1.1
- Solve multiplication and division fact problems by using strategies that result from applying number properties.
- MA.3.A.1.2
- Identify, describe, and apply division and multiplication as inverse operations.
- MA.3.A.1.3
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Shows understanding of addition and subtraction using a concrete set of objects (expressive knowledge) or story problems found in everyday classroom activities
- Child combines sets of objects to equal a set no larger than ten.
- VI.A.b.2.a
- Child removes objects from a set no larger than ten.
- VI.A.b.2.b
- Child uses concrete objects to solve complex problems (e.g., fingers, blocks).
- VI.A.b.2.c
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SUPPORTING IDEAS:
Number and Operations
- Solve problems that involve repeated addition.
- MA.2.A.6.1
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SUPPORTING IDEAS:
Number and Operations
- Represent, compute, estimate and solve problems using numbers through hundred thousands.
- MA.3.A.6.1
- Solve non-routine problems by making a table, chart, or list and searching for patterns.
- MA.3.A.6.2
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