Words to Math
What math symbol goes with the word "sum" or "more than"?
Plus sign (+)
In PEMDAS, what operation do you always do first?
Parentheses
Evaluate x + 5 when x = 3
8 (3 + 5)
What is -3 + 3?
0
To undo addition in an equation, what operation must you use?
Subtraction
What math symbol goes with the word "difference" or "less than"?
Minus sign (-)
Solve: 5 + 3 times 2
11 (Multiply 3 times 2 = 6 first, then 5 + 6)
Evaluate y - 4 when y = 10
6 (10 - 4)
Temperature check: It is -2oF outside and drops 3oF colder. What is the new temperature?
-5oF
Solve for x: x + 2 = 7
x = 5
Turn this phrase into a math expression: "a number x increased by 4"
x+4
Solve: (4 + 2) 3
18 (Add 4 + 2 = 6 first, then 6 times 3)
Evaluate 2a when a = 6.
12 (2 times 6)
Solve: -5 + 2
-3
Solve for y: y - 3 = 5
y = 8
Turn this phrase into a math expression: "the product of 3 and y"
3y (or 3 times y)
Solve: 10 - 4 + 2
8 (Go left to right: 10 - 4 = 6, then 6 + 2)
Evaluate b + 7 when b = 0
7 (0 + 7)
Solve: 4 + (-6)
-2
Solve for n: n + 6 = 10
n = 4
Turn this phrase into a math expression: "7 less than m" (Hint: m comes first!)
m - 7
Solve: 23+ 1
9 (23 = 2 times 2 times 2 = 8, then 8 + 1)
Evaluate 3x + 2 when x = 4
14 (3 times 4 = 12, then 12 + 2)
Solve: -1 - 4
-5
Solve for a: a - 4 = 2
a = 6