Free Printable 50 key maths questions

1.

The first 4 multiples of 6 are

a)

1,2,3,6

b)

6,36, 72, 144

c)

6,12,18,24

d)

12,18,24,30

2.

List all the factors of 12

a)

1,2,3,4,6,12

b)

2,3,4,6

c)

1,2,3,4,6,9,12

d)

1,2,3,4,12

3.

1metre is how many cm

a)

10

b)

100

c)

1000

d)

10000

4.

5kg is how many grams

a)

50

b)

500

c)

5000

d)

50000

5.

1 day is how many hours

a)

6

b)

12

c)

18

d)

24

6.

1 litre is how many ml

a)

10

b)

100

c)

1000

d)

10000

7.

1 kilometre is how many metres

a)

1

b)

10

c)

100

d)

1000

8.

An acute angle is between

a)

0 and 90 degrees

b)

90 and 180 degrees

c)

180 and 360 degrees

d)

greater than 360

9.

An obtuse angle is between

a)

0 and 90 degrees

b)

90 and 180 degrees

c)

180 and 360 degrees

d)

greater than 360 degrees

10.

A reflex angle is between

a)

0 and 90 degrees

b)

90 and 180 degrees

c)

180 and 360 degrees

d)

greater than 360 degrees

11.

A prime number has how many factors

a)

1

b)

2

c)

3

d)

4

12.

The first 10 prime numbers are

a)

1,2,3,5,7,11,13,17,19,23

b)

2,3,5,7,11,13,17,19,23,29

c)

2,3,5,7,9,11,13,17,19,23

d)

2,3,5,7,11,13,15,17,19,23

13.

The first 5 square numbers are

a)

1,4,9,16,25

b)

4, 8, 12, 16, 20

c)

1,2,3,5, 8

d)

1,8, 27, 64, 125

14.

The first 5 triangle numbers are

a)

1,2,3,5,8

b)

1,3,6,10, 15

c)

1,3,5,9, 6

d)

1,3,6,9,12

15.

Angles in a triangle add upto

a)

90 degrees

b)

180 degrees

c)

270 degrees

d)

360 degrees

16.

Angles on a straight line add upto

a)

0 degrees

b)

45 degrees

c)

180 degrees

d)

360 degrees

17.

Angles round a point add upto

a)

90 degrees

b)

180 degrees

c)

270 degrees

d)

360 degrees

18.

the product of a negative x a negative is

a)

positive

b)

negative

c)

above -10

d)

below 10

19.

The product of a negative x a positive is

a)

positive

b)

negative

c)

below 10

d)

above -10

20.

The formula for the area of a rectangle is

a)

4L

b)

0.5 x L x W

c)

L x W

d)

L x W x D

21.

The mode is

a)

The most common number

b)

The middle number

c)

All of them added together then divided by the amount

d)

The highest - the lowest

22.

The range is

a)

The most common

b)

The middle number

c)

Added all together and divided by the amount of numbers

d)

The highest number - the lowest number

23.

The median is

a)

The most common

b)

The middle number

c)

Added all together and divided by the amount

d)

The highest - the lowest number

24.

To find the mean you have too

a)

Find the most common

b)

Find the middle number

c)

Add all the values together and divide by the amount of values

d)

Subtract the highest from the lowest

25.

The formula for the area of a triangle is

a)

Length x width

b)

Length x width x depth

c)

Length x Length

d)

0.5 x length x width

26.

The formula for the area of a parallelogram is

a)

Length x width

b)

Length x width x depth

c)

Length x length

d)

Length x width x 0.5

27.

The angle sum of a quadrilateral is

a)

90 degrees

b)

180 degrees

c)

270 degrees

d)

360 degrees

28.

To add or subtract a fraction you need

a)

to multiply by 10

b)

common numerators

c)

common denominators

d)

to divide by 10

29.

Perpendicular means

a)

Never meeting lines

b)

at a right angle too

c)

Non straight lines

d)

Lines that form an equilateral triangle

30.

Parallel lines

a)

Cross over

b)

Never meet

c)

Form a right angle

d)

Di sect each other

31.

The formula for the area of a trapezium is

a)

0.5(a+b)h

b)

a+b x 0.5

c)

a-b x h x 0.5

d)

a+b x h + 0.5

32.

Pythagoras theorem is ?

a)

2a + 2b = 2c

b)

2a + 2b = 4c

c)

a²+b²= c²

d)

a²+ b² = c

33.

The reciprocal of 4 is

a)

-4

b)

$\frac{1}{4}$

c)

$\frac{4}{1}$

d)

40

34.

Convert 0.3 to a fraction

a)

$\frac{1}{3}$

b)

$\frac{3}{5}$

c)

$\frac{3}{1}$

d)

$\frac{3}{10}$

35.

Convert 3/5 to a decimal

a)

0.3

b)

0.35

c)

0.6

d)

0.53

36.

Inverse Means

a)

opposite

b)

Same

c)

Negative

d)

Positive

37.

The sum of all probabilities is

a)

6

b)

2

c)

0.5

d)

1

38.

The formula for the circumference of a circle is

a)

$\pi r^2$

b)

$\pi r$

c)

$\pi d$

d)

$2\pi r^2$

39.

The formula for the area of a circle is

a)

$\pi r$

b)

$\pi r^2$

c)

$\pi d$

d)

$2\pi r$

40.

An irrational number

a)

Cannot be a fraction

b)

Is a fraction

c)

Flips a fraction

d)

has a square root that is a whole number

41.

The general equation for a straight line is

a)

y = mx + c

b)

x + y = 10

c)

x=y

d)

y+m = x

42.

Factorizing an expression means

a)

to divide by a fraction

b)

to put in brackets

c)

expand the brackets

d)

to solve

43.

In set notation A $\cup$ B means

a)

A or B

b)

A and B

c)

A not B

d)

B not A

44.

In set notation A $\cap$ B means

a)

A not B

b)

A and B

c)

A or B

d)

B not A

45.

The trigonometry ratio for sine is

a)

O/H

b)

A/H

c)

O/A

d)

A/O

46.

The trigonometry ratio for cosine is

a)

O/H

b)

A/H

c)

O/A

d)

A/O

47.

The trigonometry ratio for tangent is

a)

O/H

b)

A/H

c)

O/A

d)

A/O

48.

The cosine rule is

a)

$\frac{a}{\sin A}=\ \frac{b}{\sin B}$

b)

$\frac{b}{\sin A}=\frac{a}{\sin B}$

c)

$\frac{\sin A}{\sin B}$

d)

$\frac{\sin B}{\sin A}$

49.

The cosine rule is

a)

$a^2=b^2+c^2\ -\ bcCosA$

b)

$a^2=b^2+c^2\ -\ 2bcCosA$

c)

$a^{ }=b^{ }+c^{ }\ -\ 2bcCosA$

d)

$a^{ }=b^2+c^2\ -\ 2bcCosA$

50.

The formula for the area of a non right angle triangle is

a)

$\frac{1}{2}ab\tan C$

b)

$\frac{1}{2}ab\cos C$

c)

$\frac{1}{2}ab\sin C$

d)

$\frac{1}{2}abC$

50 key maths questions

Total questions: 50

Worksheet time: 25mins

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