Math Terminology

Question 1

Average (or “Mean”)

[av-er-ij, av-rij]

Answer 1

The midway point in a series of numbers.

Ex. : The average of 10 and 20 is 15.

Question 2

Denominator

[dih-nom-uh-ney-ter]

Answer 2

The bottom number in a fraction.

Ex. : In the fraction ¼, the 4 is the denominator.

Question 3

Difference

[dif-er-uhns, dif-ruhns]

Answer 3

The result of subtraction.

Ex.: The difference of 5-3 is 2.

Question 4

Dividend

[div-i-dend]

Answer 4

The number being divided into.

Ex. : The dividend in 10 ÷ 5 is 5.

Question 5

Divisor

[dih-vahy-zer]

Answer 5

The number you are dividing by.

Ex.: The divisor in 10 ÷ 5 is 5.

Question 6

Even

[ee-vuhn]

Answer 6

Any integer that is divisible by 2.

Ex.: 2,4,6,14,20,34,100….

Question 7

Exponent

[ik-spoh-nuhnt, ek-spoh-nuhnt]

Answer 7

A small raised number next to a big number that indicates how many times to multiply the big number by.

Ex.: The 2 is the exponent in 3²

Question 8

Improper Fraction

[im-prop-er] [frak-shuhn]

Answer 8

A fraction with a larger numerator than denominator.

Ex.:10/4

Question 9

Integer

[in-ti-jer]

Answer 9

A number that doesn’t contain a fraction or a decimal.

Ex.: -5, -4, 0, 4, 5…

Question 10

Mixed Number

[mikst] [nuhm-ber]

Answer 10

A number that contains both an integer and a fraction.

Ex.: 6 ¼

Question 11

Negative Number

[neg-uh-tiv] [nuhm-ber]

Answer 11

Any number less than zero.

Ex.: -7, -0.25…

Question 12

Numerator

[noo-muh-rey-ter, nyoo-]

Answer 12

The top number in a fraction.

Ex.: In the fraction ¼, the 1 is the numerator.

Question 13

Odd

[od]

Answer 13

A number not divisible by 2.

Ex.: -3, -1, 1, 3, 5, 11….

Question 14

Positive Number

[poz-i-tiv] [nuhm-ber]

Answer 14

Any number greater than zero.

Ex.: 1, 4, 0.25…

Question 15

Prime Number

[prahym] [nuhm-ber]

Answer 15

A number divisible only by 1 and itself. 1 is not considered a prime number. all prime numbers are odd except for 2.

Ex.: 2, 3, 5, 7, 11, 13….

Question 16

Product

[prod-uhkt, -uhkt]

Answer 16

The result of multiplication.

Ex.: The product of 2 × 2 is 4.

Question 17

Quotient

[kwoh-shuhnt]

Answer 17

The result of division.

Ex.: The quotient of 10 ÷ 5 is 2.

Question 18

Ratio

[rey-shoh, -shee-oh]

Answer 18

A relationship between two quantities.

Ex.: 1:2, 4:5, 9:10

Question 19

Sum

[suhm]

Answer 19

The result of additio.

Ex.: The sum of 5 + 5 is 10.

Question 20

Square Root

[skwair] [root, root]

Answer 20

A factor of a number that, when squared equal that number.

Ex.: Square Root 9 = 3

Question 21

Whole Number

[hohl] [nuhm-ber]

Answer 21

All the positive integers and zero.

Ex.: 0, 1, 2, 3, 4, 12, 400…