Odds And Sodds

Question 1

1st 8 prime numbers

Answer 1

2, 3, 5, 7, 11, 13, 17, 19

Question 2

Prime number

Answer 2

Number that has no factors except itself and 1

Question 3

Product

Answer 3

Multiplication

Question 4

Sum

Answer 4

Addition

Question 5

1/3

Answer 5

0.3 and 33.3%

Question 6

1/2

Answer 6

0.5 and 50%

Question 7

1/4

Answer 7

0.25 and 25%

Question 8

2/3

Answer 8

0.6 and 66.6%

Question 9

1/5

Answer 9

0.2 and 20%

Question 10

3/4

Answer 10

0.75 and 75%

Question 11

2/5

Answer 11

0.4 and 40%

Question 12

Area

Answer 12

The middle of the shape. Length x width

Question 13

Perimeter

Answer 13

Around the edge of the shape. Add up all sides

Question 14

Mean - average

Answer 14

Add all numbers then divide by the number of numbers

Question 15

Range

Answer 15

Minus Smallest number from the biggest

Question 16

Median

Answer 16

Number in the middle. If there are 2 add together and divide by 2

Question 17

Mode

Answer 17

The most popular number

Question 18

Parallel

Answer 18

Lines going in the same direction and keeping the same distance apart

Question 19

Perpendicular

Answer 19

Lines meeting at right angles

Question 20

Factor

Answer 20

A number that that goes into another number. The answer will always be lower number.

Question 21

Multiple

Answer 21

Times table! The answer will always be a higher number

Question 22

Turning a fraction into a decimal

Answer 22

Divide the numerator by the denominator

Question 23

Turning a percentage into a decimal

Answer 23

Divide by 100

Question 24

Turning a percentage into a fraction

Answer 24

Write as a fraction with 100 as a denominator and simplify

Question 25

Turning a decimal into a fraction Eg 0.64

Answer 25

= 64/100 = 16/25

Question 26

Turning decimals or fractions into %

Answer 26

Multiply by 100

Question 27

Mixed number

Answer 27

The whole pie and its remaining pieces - eg 3 1/4

Question 28

Improper fraction

Answer 28

All the pieces of the pie over the number of pieces per pie - e.g. 10/3

Question 29

Interior angles of a triangle add up to ...

Answer 29

180 degrees

Question 30

Interior angles of quadrilaterals add up to ...

Answer 30

360 degrees

Question 31

How to work out the sum of the interior angles of any polygon

Answer 31

(N-2) x 180 degrees

Question 32

How to work out the interior angle of any polygon

Answer 32

(N-2) x 180 / n OR 180 - exterior angle

Question 33

How to work out the number of sides in a polygon

Answer 33

360 / exterior angle

Question 34

What is the sum of the exterior angles of any polygon?

Answer 34

360 degrees

Question 35

How to work out the exterior angle of a regular polygon

Answer 35

360 / n

Question 36

How to calculate the angles at the center of a polygon

Answer 36

360 / n

Question 37

Meters into cm

Answer 37

1 -100

Question 38

Formula for interior angles of a polygon

Answer 38

(N-2)x180 | N is the number of sides

Question 39

Formula for angles at centre of polygon

Answer 39

360/n | N is the number of sides

Question 40

Formula for exterior angle of polygon

Answer 40

360/n | N is that number of sides

Question 41

Formula for the number of sides of a polygon

Answer 41

360/exterior angle