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(E) Describe the meaning of parentheses and brackets in a numeric expression

(Y6) Explore the use of brackets and order of operations to write number sentences (ACMNA134)

5.OA.2 Write simple expressions that record calculations with numbers, and interpret numerical expressions without evaluating them. For example, express the calculation "add 8 and 7, then multiply by 2" as 2 × (8 + 7). Recognize that 3 × (18932 + 921) is three times as large as 18932 + 921, without having to calculate the indicated sum or product.

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Grade 6 Summer School