Order of Operations

Random

100

What does PEMDAS stand for?

Parenthesis, exponents, multiplication, division, adding, subtracting

200

What is the first thing you do in this equation?

2 + (5 x 2)

Solve what's inside the parenthesis first

300

Emely knows this

14n - 4n

10n

400

the sum of 9 and 3 divided 3

4

500

Alejandra knows this

5n + 10n

15n

Adding

100

(3 + 4) +7

14

200

4 + ( 5 + 10)

19

300

8 + ( 3 +1 + 8 )

20

400

80 + ( 10 + 10)

100

500

2 + 3 + (10 + 9)

24

Subtracting

100

(10 - 9) - 1

0

200

25 - (11 - 2)

16

300

15 - ( 10 - 1)

6

400

55 - (20 - 10)

45

500

(30 - 15) - 4

11

Multiplying

100

4 + (5 x 2)

14

200

10 + (10 x 2)

30

300

100 - (50 x 2)

0

400

80 - (30 x 2)

20

500

(25 x 2) + 15

65

Fix my mistake

100

9 - 3 x 2 = 12

3

200

10÷5 x 2 = 1

4

300

5 x 5 +1 = 30

26

400

The problem was 20 - 5 x 2 + 3. My answer was 33. What did I do wrong?

I didn't multiply first. The answer should be 13.

500

4 + 5 + 7 - 3 x 2 = 26

10