Word Stuff
9 - 3 x 2=12
Correct answer is 3. Do x then -, not - then x.
Write the words as an expression.
Multiply 8 by the difference of 54 and 49.
8 x (54 - 49)
Complete the equation.
What property is shown?
56 x ____ = 0
0
Multiplication property of 0
Why is it important to know PEMDAS?
So you can complete each step to correctly solve an equation.
5 - 4 + 1 x 6 = 12
The answer is 7. You would multiply first, then subtract, then add.
Write the words as an expression.
Subtract 58 from 94, then divide by 4.
(94 - 58) % 4 =
Complete the equation. What property is shown?
8 + (24 + 35) = (24 + 8) + ____.
35
Associative property of addition.
What is the saying we use to remember the correct Order of Operations?
Please Excuse My Dear Aunt Sally.
8 + (7 x 3) -5 = 40
The answer is 24. You would do parentheses first, then add, then subtract.
56 ÷ (4+4) + 3
10
What does product, quotient, sum, and difference mean?
Complete the equation. What property is shown?
3 x 5 x 11 = 11 x 3 x ____.
5
Communitive property of multiplication
What if you have subtraction before addition?
Complete subtraction, if it comes first, from left to right.
4 + 5 + 7 - 3 x 2 = 26
You need to follow PEMDAS and do multiplication first. Correct answer is 10.
20 – [(5+3) x 2 + 4]
Write the expression in words.
45 + (7 x 8) =
Add 45 to the product of 7 and 8.
Use distributive property to find the product.
8 x 64 =
(8 x 60) + (8 x 4) = 512
The problem was 20 - 5 x 2 + 3. My answer was 33. What did I do wrong?
I went from left to right without using the correct order of operations.
10 + (6 % 2 x 10) = 20
The answer is 40. You need to do parentheses first by dividing, then multiplying, then adding.
(5 x 4) + 14 ÷ (9 - 2)
22
Write the expression in words.
(18 % 2) - 5
Subtract 5 from the quotient of 18 and two.
Use distributive property to find the product.
57 x 9 =
(50 x 9) + (7 x 9) = 513