Vocabulary Words
What does PEMDAS stand for?
Please
Excuse
My
Dear
Aunt
Sally
3 x 9 + 7
34
less than
subtraction
7 less than the product of 12 and 18
(12 x 18) - 7
What is the GCF of 12 and 36
12
What is a variable?
A variable is an unknown quantity that is represented by a letter.
82 - 6 x 10
4
addition
the quotient of 48 and 6 times the number t
(48 / 6) x t
How many factors are in the expression 45?
5
What is a coefficient?
A coefficient is the number that is being multiplied by the variable. It is usually "stuck" to the variable.
12 + (7 + 32)
28
times
multiplication
5 multiplied by 8 minus 12 plus the sum of 24 and 5
5 x 8 - 12 + (24 + 5)
Solve.
806 - 398
408
What is the Order of Operations used for?
The order of operations is a set of rules that you use when solving numerical expressions.
(8 x 9) - (48 / 6)
64
shared equally
division
9 more than the difference of n and 10
(n - 10) + 9
What is the trick when you DIVIDE fractions?
KEEP (the first fraction)
SWITCH (switch the division sign to a multiplication sign)
FLIP (flip the 2nd fraction to its recripocal)
TRUE OR FALSE:
Terms are the different parts of an algebraic expression that are separated by addition or subtraction signs.
TRUE
50 - 5 x (27 / 3)
5
triple
multiplication
Triple the number m plus 75
3m + 75
What are the steps to LONG division?
Solve the below problem:
398 divided by 6
Does (Divide)
McDonalds (Multiply)
Sell (Subtract)
Cheese (Check)
Burgers (Bring Down)
Rare (Redo OR Remainder)