Fix My Mistake
9 - 3 x 2 = 12
9 -3 x 2 = 3
Give the correct order of operations.
Parenthesis, Exponents (still correct if step not included), Multiplication/Division, Addition/Subtraction
3 + 6 x 4
27
(14 + 6) x (12 -4) -9
151
(3 x 6 ) + 2
What is 20
10÷5 x 2 = 1
10÷5 x 2 = 4
Which operation do you perform first?
4 x 7 + ( 6 + 7)
What is addition
25 ÷ 5 -2
3
(15 - 5) x 10 + 3
103
8 - (3 x 2 ) + 6
What is 12
5 x 5 +1 = 30
5 x 5 + 1= 26
What Operation do you perform first?
4 x (3 + 5)
What is addition
12 - 8 ÷ 2 + 3
11
6 x 8 + ( 7 - 6 )
49
(-8 x -6) - (-4 x 4)
What is 64
4 + 5 + 7 - 3 x 2 = 26
4 + 5 + 7 - 3 x 2 = 10
If I have addition and subtraction in my expression, I should move from ______ ___ _______.
left to right
20 ÷ (8-3) + 16
20
( 10 + 19 -5 ) x 2
48
-9 x 8 + 50
What is -22
The problem was 20 - 5 x 2 + 3. My answer was 33. What did I do wrong?
I did not multiply first. The answer should be 13.
Why is it important to know Gems as a mathematician?
So that everyone is solving the problem in the same way
7 + 3 x (8 ÷ 4)
13
2 x ( 9 x 9 + 2) - 8
158
(9 x 9) + (-9 x 7)
What is 18