Math to English
English to Math
Factors of numbers
Solve the expression
Definitions
100

2x

Twice a number / Two times a number

100
Six more than a number

6 + x

100

5

1, 5

100

2 + x = ?
x = 15

17

100

A letter that represents any number

What is a variable?

200

n + 7

A number plus seven / a number and seven

200

triple a number minus five

3n - 5

200

6

1, 2, 3, 6

200

3x + 21 = ?
x = 3

30

200

A mathematical sentence (number sentence) that says two things are EQUAL 

What is an equation?

300
n/2 - 5 

The quotient of a number and 2 minus 5 / half a number minus 5

300

Half a number and seven

n/2 + 7

300

20

1, 2, 4, 5, 10, 20

300

100 - 100/n = ?
n = 5

80

300

The largest number that divides 2 or more numbers evenly 

What is Greatest Common Factor?

400

3x - 4
(Say it in turn around)

Four less than three times a number 

400

Sixteen less than triple a number

3x - 16

400

24

1, 2, 3, 4, 6, 8, 12, 24

400

2n + 3n + 4n = ?
n = 2

18

400

A whole number greater than 1 that has more than 1 factor pair

What is a Composite number?

500

(4 + n) - 2/7
(Say it in turn around)

The quotient of 2 and 7 less than the sum of 4 and a number

500

The sum of a number and 4 substracted from the days in a year

365 - (n + 4)

500

60

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60

500

100/x - 2x + (6 - x) = ?
x = 5

11

500

A whole number greater than 1 witn only one factor pair.

What is a prime number?