**Perimeter and prime number are words predominantly used in Maths.** Like other subjects, or fields of knowledge, Maths uses various English words in a specialised manner that you need to know in order to learn the subject.

Many of these words hold meanings similar to general usage, although you wouldn't want to confuse the maths terminology with the every day understanding of a word. One example is "face". The most common meaning of the term is that part of the body where the eyes, nose and mouth are located, but in maths, of course, a "face" is a flat surface of a 3D object. You can see how the two definitions are related, but it is important to bear the differences in mind, too.

How much mathematical vocabulary do you know? Geometrical terms include angle, line, plane, axis, circumference, radius, vertices, acute, obtuse, pi, parallel, perpendicular, etc. Vocabulary necessary for calculations includes numerator, denominator, fraction, decimal, quotient, product, square, square root, divisible, etc. Many mathematical terms come from other languages, such as Latin and Greek.

Have a go at this quiz to get you up to speed with mathematical terms and spelling.

1.

Choose the correct meaning for the following word(s).

Concave

Concave

Curving inwards

Curving left

Curving outwards

Curving right

A cave curves inwards!

2.

Choose the correct meaning for the following word(s).

Quotient

Quotient

Result of adding one number to another

Result of dividing one number by another

Result of multiplying one number by another

Result of subtracting one number from another

The quotient of 4 divided by 2 is 2!

3.

Choose the correct meaning for the following word(s).

Diameter

Diameter

Straight line a part of the way across a circle

Straight line a quarter of the way across a circle

Straight line halfway across the middle of a circle

Straight line right across the middle of a circle

Don't confuse "diameter" with "radius" (half diameter)

4.

Choose the correct meaning for the following word(s).

Product

Product

Result of adding two or more numbers

Result of dividing two or more numbers

Result of multiplying two or more numbers

Result of subtracting two or more numbers

The product of 2 x 2 is 4

5.

Choose the correct meaning for the following word(s).

Integer

Integer

One letter

One whole number

The whole

The whole range of letters

"Integer" means "whole number" (not a fraction)

6.

Choose the correct meaning for the following word(s).

Prime number

Prime number

Number divisible only by itself and one

Number divisible only by itself and two

Number divisible only by itself and three

Number divisible only by itself and four

Some examples of prime numbers are 3, 5, 7, 11, 13

7.

Choose the correct meaning for the following word(s).

Perpendicular

Perpendicular

At a reflex angle to a line

At a right angle to a line

At an acute angle to a line

At an obtuse angle to a line

Make sure you can spell "perpendicular" correctly

8.

Choose the correct meaning for the following word(s).

Perimeter

Perimeter

All round the edge of a shape

Halfway round the edge of a shape

Part of the way round the edge of a shape

Quarter of the way round the edge of a shape

The greek prefix peri- means "round"

9.

Choose the correct meaning for the following word(s).

Convex

Convex

Curving inwards

Curving left

Curving outwards

Curving right

"Convex" is the opposite of "concave"

10.

Choose the correct meaning for the following word(s).

Circumference

Circumference

Distance all round the edge of a circle

Distance halfway round the edge of a circle

Distance part of the way round the edge of a circle

Distance quarter of the way round the edge of a circle

The latin prefix circum- means "round"

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