3 + 4 x 5
23
14 - [2 x 7]
0
What word tells us to multiply?
Product
5 + 5 x 10 = 100
5 + 5 x 10 = 55 not 100
[49 ÷ (3+4)] + 5
12
What is a saying to help you remember PEMDAS?
Please Excuse My Dear Aunt Sally
What is the rule when multiplication and division are on the same line?
Left to right
(4 x 5) + (7 x 8) - 6 x 4= 280
(4 x 5) + (7 x 8) - 6 x 4= 52 not 280
56 ÷ [(4+4) + 6]
4
5 + [14 ÷ 2 × 5]
40
What do brackets mean in a problem?
Do that first
When do we use PEMDAS
When we have different operations to solve in one problem
4 + 5 + 7 - 3 x 2 = 26
You need to follow PEMDAS and do x first. Correct answer is 10.
[(4-1) + (5+1)]
What is another way to write multiplication in a problem? A way other than, 2 x 2.
2 * or 2(
(2 x 12) ÷ 6 - 2 = 6
(2 x 12 ) ÷ 6 - 2 = 2 not 6
(5 x 4) – 6 ÷ 2 + 9
26
[(21 x 3)+4)] x 2
134
What is the most important rule when working with order of operations?
Follow the correct steps, PEMDAS.