Grade 5
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Geometry
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Measurement & Data
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Numbers & Operations: Base Ten
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Numbers & Operations: Fractions
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Operations & Algebraic Thinking
CCSS Math Standard: 5.OA.1
Write and interpret numerical expressions. Use parentheses, brackets, or braces in numerical expressions, and evaluate expressions with these symbols.
Once students understand the order of operations, they often just get stuck doing increasingly difficult practice problems. That's a sure-fire way to squelch learning, though. Here, students determine where to place parentheses to make the greatest change in an expression.
How many different ways can you make this math statement true using only the digits one through nine?
How many different ways can you make this math statement true using only the digits one through nine?