EXPRESSIONS
What is the first step in evaluating the expression 3+5×2?
Multiply 5x2
Why are parentheses important in math expressions?
they tell us what operations to do first
What does the acronym PEMDAS stand for?
parentheses, exponents, multiply, divide, add, subtract
What are the four basic operations in math?
multiply
divide
add
subtract
If you have 5 apples and buy 3 more, how would you express that using addition?
5+3
Evaluate 4+6×(3−1)4+6×(3−1)
16
Evaluate 5+(8−3)×2
15
In the order of operations, which comes first: multiplication or addition?
multiplication
If you multiply a number by zero, what is the result?
0
How can the order of operations help in planning a party budget?
various answers
Simplify 8+2×(5−3)+18+2×(5−3)+1
13
What does (6+2)×3 equal?
24
Solve 7+4×2−3
12
Solve 12−2+5×2
Calculate the total cost if 4 tickets cost 10+5 dollars each.
4 (10+5)=
4(15)=
60
What is the value of 2×(3+7)−42×(3+7)−4?
16
If you have (4+2)×(3−1), what is the answer?
12
What is the correct order of operations for 2+3×4−1?
13
What is the result of (2+3)×(4−1)?
15
If a recipe calls for 2 cups of flour and you want to make it double, how do you represent that?
2x2
Solve 10−2×(3+5)+410−2×(3+5)+4.
-2
Calculate (3+5)×(2+6)
64
Evaluate 8+(3×2)−5
9
Calculate 15−3×(5−2)
6
A shop has a sale: if an item costs 50−20×2 dollars, how much do you pay after the discount?
50-(20x2)=
50-40=
10