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Solving Expressions You will have 20 seconds to complete each of the following 10 questions. A chime will sound when the next problem appears. Good luck!

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Presentation on theme: "Solving Expressions You will have 20 seconds to complete each of the following 10 questions. A chime will sound when the next problem appears. Good luck!"— Presentation transcript:

1

2 Solving Expressions You will have 20 seconds to complete each of the following 10 questions. A chime will sound when the next problem appears. Good luck!

3 Question #

4 Question #2 15 – 9 2 3

5 Question # – 7

6 Question #4 3 (4 + 2)

7 Question #5 6 7 –

8 Question #6 18 – 4 2 5

9 Question #7 8 (5 – 3) + 2

10 Question #8 5 – 3 8 6

11 Question #9 5 (3 – 2) + 6 3

12 Question # ³ 3

13 Good job! How did you do? Did you remember to use the order of operations when solving the problems? Lets check. Click to view rules.

14 What is the correct order of operations? 1 st – Parenthesis 2 nd – Exponents 3 rd – Multiply & Divide from left to right 4 th – Add & Subtract from left to right Click to continue

15 Remember the Phrase Please Excuse My Dear Aunt Sally a x u i d u r p l v d b e o t i t n n i d r t e p e a h n l c e t y t s i s Click to continue

16 Or the word P E M D A S a x u i d u r p l v d b e o t i t n n i d r t e p e a h n l c e t y t s i s Click to continue

17 Solutions The following slides show the correct steps to solving the previous 10 problems. Click to view each step.

18 #1 Solution

19 #2 Solution 15 – – – 6 9

20 #3 Solution – – 7 23 – 7 16

21 #4 Solution 3 (4 + 2)

22 #5 Solution 6 7 – – –

23 #6 Solution 18 – – – 10 8

24 #7 Solution 8 (5 – 3)

25 #8 Solution 5 – – – 4 1

26 #9 Solution 5 (3 – 2)

27 #10 Solution ³

28 Great job! Always remember to use the rules. We should all get the same answers. Keep the clues in mind while working.


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