two multiplied by a number, n
2n
twice a number, s
2s
4n
"four times a number" OR "the product of four and a number"
seven less than four
4 - 7
The keyword "MORE THAN" should make you think of which mathematical operation?
ADDITION
the sum of twelve and a number, y
12 + y OR y + 12
x - 9
"a number minus nine" OR "nine less than a number x" OR "the difference of a number and nine"
eight subtracted from a number, y
y - 8
the quotient of fifty and some number, n
50/n
y/75
"the quotient of y and seventy-five" OR "y divided by seventy-five"
a number, b, less than twelve
12 - b
The word "twice" should make you think of which mathematical operations?
MULTIPLICATION AND ADDITION
One-fifth of some number, n
1/5(n) OR n/5
A number, q, decreased by seven
q - 7
7 - x
You cannot use the word "minus"
"The difference of seven and a number" OR "a number less than seven"
three subtracted from two times a number, k
2k - 3
When a sentence says "subtracted from" which number comes first? Use this example: A number n, subtracted from eight
When it says subtracted from. We want the first number to be written second in our expression.
8 - n
Three multiplied by the sum of a number and twelve
3(n + 12) OR 3(12 + n)
A number, k, multiplied by itself
k2
2x + 3
You cannot use the words "times" or "plus"
"three more than two times a number" OR "three more than the product of two and a number"
five less than seven times a number, y
7y - 5