Open Number Sentences
What Are Open Number Sentences? Open number sentences are equations that give one part of the equation along with the answer. In order to solve an open number sentence, the inverse operation is used. Read More...
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◂Math Worksheets and Study Guides Third Grade. Open Number Sentences
Study Guide
Open Number Sentences 
Worksheet/Answer key
Open Number Sentences Worksheet/Answer key
Open Number Sentences Worksheet/Answer key
Open Number Sentences
Worksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyThe resources above cover the following skills:
Algebra (NCTM)
Represent and analyze mathematical situations and structures using algebraic symbols.
Express mathematical relationships using equations.
Use mathematical models to represent and understand quantitative relationships.
Model problem situations with objects and use representations such as graphs, tables, and equations to draw conclusions.