4 ÷ n

n ÷ 4

4n

n + 4

8 - n

n - 8

8n

n + 8

q

+

5

y

n

+

6

=

q

+

5

y

True

False

10 less than a number

a number plus 10

the product of a number and 10

the difference between 10 and a number

3+y

3y

6 + 3y

3 - y 

7/n

n-7

7n

n + 7 

6r

r/6

6(r)

6 + r

16 + m

16m

16 - m

16/m

6y - 4

6 + y - 4

6/y - 4

6 - y - 4 

an awesome number

a number represented by a letter

an infinite number

a number multiplied by another number

a letter

a math or science mystery

a number

a variable