SME
Grade 5 Math · Problem type
Write numerical expressions
Use this for “Which expression matches the words?” with parentheses.
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Which expression says it?
Tap a card, then tap its group.
Assumptions
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Words like “the sum of” or “add first” need parentheses around the adding.
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“Twice” means 2 times. “3 less than” takes 3 away at the end.
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Without parentheses, multiply before you add.
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Evaluate expressions with grouping symbols
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Place value patterns and powers of 10
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Related lessons
Numerical expressions and order of operations
Main lesson
Evaluate expressions with parentheses
Use this for “(18 + 6) ÷ 4 =” and other parentheses before dividing.
Interpret numerical expressions
Use this to compare (3 + 5) × 4 and 3 + 5 × 4.
Order of operations
Use this for “6 + 12 ÷ 4 − 2 × 3 =”: multiply and divide first.
Evaluate expressions with grouping symbols
Use this for “2 × [5 + (3 × 4)]”: work from the inside out.