PEMDAS
When doing order of operations, which comes first: multiplication or addition?
Multiplication
Write out this expression:
Ten minus three
10 - 3
When you see this word: total, it means to _____________.
a. add
b. subtract
c. multiply
d. divide
a. add
What is the second step in PEMDAS?
Look for and solve EXPONENTS
Solve:
( 15 - 6 ) x 3
27
True or False: Numbers and operations inside parentheses are to be done very last.
False
Write out this expression:
The sum of six and five
6 + 5
When you see this word: difference, it means to _____________.
a. add
b. subtract
c. multiply
d. divide
b. subtract
Which part of this expression needs to be solved first?
3² + ( 7 - 3 )
( 7 - 3 )
Solve:
4 x 6 - 16 ÷ 8
22
What does the 'P' in PEMDAS stand for?
Parentheses
Write out this expression:
Twenty added to four
4 + 20
When you see this word: times, it means to _____________.
a. add
b. subtract
c. multiply
d. divide
c. multiply
What is the answer to this:
Nine to the third power
93 = 729
Solve:
22 x 4 + 8
24
What does the 'E' in PEMDAS stand for?
Exponents
Write out this expression:
The product of two and nine
2 x 9
When you see these words: multiplied by, it means to _____________.
a. add
b. subtract
c. multiply
d. divide
c. multiply
What is the difference between an expression and an equation?
An expression does not have an equal sign, but an equation does.
Solve:
[ (10 + 2) - 6 ] ÷ 3
2
Which part of the following problem should be done first?
6 x 5 + ( 9 - 3 ) - 14
( 9 - 3 )
Write out this expression:
Twelve broken into three equal groups
12 ÷ 3
When you see these words: the quotient of, it means to _____________.
a. add
b. subtract
c. multiply
d. divide
d. divide
Which operation should be done first, multiplication or division?
This is a trick question. They are considered one step, so when you see only these operations in an expression, you solve from left to right.
Solve:
2 x [ (9 ÷ 3) - 1 ] ÷ 2 - 2
0