Maths Year 9

Question 1

What are congruent shapes?

Answer 1

Shapes in which everything is the same

Question 2

Name all the conditions that can be used when describing congruent triangles

Answer 2

SSS, SAS, ASA, RHS, SSA

Question 3

How many lines of symmetry does a square have?

Answer 3

4

Question 4

What is the value of each angle in a square?

Answer 4

90

Question 5

How many pairs of parallel sides does a square have?

Answer 5

2

Question 6

How many lines of symmetry does a rectangle have?

Answer 6

2

Question 7

How many pairs of parallel sides does a rectangle have?

Answer 7

2

Question 8

How many lines of symmetry does a rhombus have?

Answer 8

2

Question 9

How many pairs of parallel sides does a rhombus have?

Answer 9

2

Question 10

How many lines of symmetry does a parallelogram have?

Answer 10

0

Question 11

How many pairs of parallel sides does a parallelogram have?

Answer 11

2

Question 12

How many lines of symmetry does a trapezium have?

Answer 12

0

Question 13

How many pairs of parallel sides does a trapezium have?

Answer 13

1

Question 14

How many lines of symmetry does a kite have?

Answer 14

1

Question 15

How may pairs of parallel sides does a kite have?

Answer 15

1

Question 16

How many lines of symmetry does a arrowhead have?

Answer 16

1

Question 17

How many pairs of parallel sides does an arrowhead have?

Answer 17

0

Question 18

What is the sum of the interior angles of a quadrilateral?

Answer 18

360 degrees

Question 19

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

Answer 19

360 degrees

Question 20

What are all exterior angles in a regular polygon?

Answer 20

Equal

Question 21

What is the formula to find the value of an exterior angle of a polygon

Answer 21

360/amount of sides

Question 22

What is the formula for the mean in a frequency table?

Answer 22

Frequency x Midpoint/Total Frequency

Question 23

What is the median in a cumulative frequency diagram?

Answer 23

The value half-way up the CF axis

Question 24

What is the lower quartile in a cumulative frequency diagram?

Answer 24

The value 1/4 up the CF axis

Question 25

What is the upper quartile in a cumulative frequency diagram?

Answer 25

The value 3/4 up the CF axis

Question 26

What is the interquartile range in a cumulative frequency diagram?

Answer 26

Upper quartile - lower quartile

Question 27

What does correlation mean?

Answer 27

Connection between sets of data

Question 28

How do you calculate the HCF of 2 numbers using their prime factor trees?

Answer 28

You multiply the numbers in the intersection

Question 29

How do you calculate the LCM of 2 numbers using their prime factor trees?

Answer 29

You multiply every single number in the diagram

Question 30

What is the formula for the circumference of a circle?

Answer 30

pi x diameter

Question 31

What is the formula for the volume of a prism?

Answer 31

Cross-sectional area x length

Question 32

What is the formula for the volume of a cylinder?

Answer 32

pi x radius x radius x height

Question 33

What is the formula for the volume of a sphere?

Answer 33

4/3 x pi x radius(cubed)

Question 34

What is the formula for the volume of a cone?

Answer 34

1/3 x pi x radius(squared) x height