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Order of Operations. Warm Up 1) 8 + 4 - 2 2) 9 x 3 + 1 3) 7 - 3 + 5 4) 20 ÷ 4 + 6.

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Presentation on theme: "Order of Operations. Warm Up 1) 8 + 4 - 2 2) 9 x 3 + 1 3) 7 - 3 + 5 4) 20 ÷ 4 + 6."— Presentation transcript:

1 Order of Operations

2 Warm Up 1) 8 + 4 - 2 2) 9 x 3 + 1 3) 7 - 3 + 5 4) 20 ÷ 4 + 6

3 - Order of Operations What do we know? + x ÷

4 PEMDAS Parentheses Exponents Multiplication Division Addition Subtracting

5

6 Important Terms A mathematical phrase that contains only numbers and operations is called a numerical expression. To evaluate a numerical expression, you find its value. You can use the order of operations to evaluate a numerical expression.

7 Evaluate each expression. A. 9 + 12 * 2

8 Evaluate B. 4* 3 2 +8 -16

9 Evaluate C. 8 ÷ (1 + 3) * 5 2 - 2

10 NOW ITS YOUR TURN! A) 15 – 10 ÷ 2 B) 8 + 14 ÷ 2 +6 * 3 2 C) 3 + (4 + 7) + 2 2

11 IN PAIRS! 5 * 3 +8 * 2 15 + 16 31

12 Closure: How would I evaluate this numerical expression? 5 – 6 ÷ 2 + 10 * 4


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