Assess Readiness
Parentheses in Expressions
(5.OA.1)Edit
The questions below assess the prerequisite standards needed for this Lesson.
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Look at part 1. What expression could you write to solve this problem?
50 - 12 \times3 -
What is the first step to simplify this expression? Why?
Multiply
12\times3 . Multiplication goes before addition and subtraction. -
After multiplying
12 \times3 , what is the new expression that is formed?50 - 36 -
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Look at part 2. What expression could you write to solve this problem?
(12 +3) ÷ 3 -
Write an equation to show the final solution to this word problem.
(12+3) ÷ 3=5
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