Terms

Question 1

Modal class

Answer 1

The class with the highest frequency

Question 2

Mean

Answer 2

All numbers added together/ quantity of numbers

Question 3

Mode

Answer 3

Number with the highest frequency

Question 4

Median

Answer 4

Middle number in data

Question 5

Upper quartile

Answer 5

Above the middle number in top half of data

Question 6

Lower quartile

Answer 6

Below the middle number in the lower half of data

Question 7

Surd

Answer 7

A surd is an irrational root of a rational number to give an irrational number

Question 8

Prime number

Answer 8

Only has factors of one and itself (2 is the only even prime number, 1 is not a prime number)

Question 9

Triangular number

Answer 9

Dots each representing 1 would make a triangle, 1, 3, 6, 10 etc

Question 10

Composite number

Answer 10

A number that has more than 2 factors

Question 11

Integer

Answer 11

A whole number

Question 12

Coefficient

Answer 12

Number before an algebraic term

Question 13

Parallel

Answer 13

Lines with the same gradient that will never cross

Question 14

Perpendicular

Answer 14

Lines that meet at 90 degrees, they have gradients that are the negative reciprocal of each other

Question 15

Translation

Answer 15

Movement of a shape

Question 16

Reflection

Answer 16

Mirroring of a shape in a line

Question 17

Rotation

Answer 17

Rotating a shape about a point

Question 18

Enlargement

Answer 18

Making a shape bigger or smaller about a point by a scale factor

Question 19

Transformation

Answer 19

Changing a shape but it still looks similar/ the same

Question 20

Scale factor

Answer 20

The number you multiply to get from a to b

Question 21

Highest common factor

Answer 21

Found by multiplying all common factors together

Question 22

Lowest common multiple

Answer 22

Found by multiplying all factors of both numbers together, common factors are only used once

Question 23

Cumulative frequency

Answer 23

How frequency adds up as you move along the data/ through the table

Question 24

Vectors

Answer 24

Have magnitude and direction

Question 25

Scalar

Answer 25

Have either magnitude or direction but not both

Question 26

Quantitative data