Unit 9: Expressions and Equations
Grade Level: 5th Grade
Subject: Math
Length: 2 weeks (May)
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Topics Covered
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á´‘ what is a numerical expression?
á´‘ how to use parentheses, brackets, and braces
á´‘ use expressions to make sense of a sentence string (ie: add 8 and 7, then multiply by 2 is 2x(8+7)
á´‘ explain what an expression is saying (ie: 3x(18932 + 921) is three times as large as 18932 + 921)
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Standards
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5.OA.A.1
5.OA.A.2
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Primary Vocabulary
associative property of addition
associative property of multiplication
base of an exponent
braces
brackets
commutative property of addition
commutative property of multiplication
corresponding terms
equation
evaluate
exponent
expression
finite decimal
inequality
multiplicative identity property of 1
order of operations
parentheses
sequence
term