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Submitted By noiwont

Words 1689

Pages 7

Words 1689

Pages 7

KEY STAGE

3

TIER

5–7

2004

Mathematics test

Paper 1

Calculator not allowed

Please read this page, but do not open your booklet until your teacher tells you to start. Write your name and the name of your school in the spaces below.

First name

Last name

School

Remember

■

The test is 1 hour long.

■

You must not use a calculator for any question in this test.

■

You will need: pen, pencil, rubber and a ruler.

■

Some formulae you might need are on page 3.

■

This test starts with easier questions.

■

Try to answer all the questions.

■

Write all your answers and working on the test paper – do not use any rough paper. Marks may be awarded for working.

■

Check your work carefully.

■

Ask your teacher if you are not sure what to do.

For marker’s use only

QCA/04/1199

Total marks

BLANK PAGE

KS3/04/Ma/Tier 5–7/P1

2

Instructions

Answers

This means write down your answer or show your working and write down your answer.

Calculators

You must not use a calculator to answer any question in this test.

Formulae

You might need to use these formulae

Trapezium

Area =

1

(a + b)h

2

Prism

Volume = area of cross-section t length

KS3/04/Ma/Tier 5–7/P1

3

Points of intersection

1.

The diagram shows two straight lines.

Where the lines cross is called a point of intersection.

(a) Draw three straight lines that have only one point of intersection.

1 mark

(b) Three straight lines have exactly two points of intersection.

Complete the sentence below.

Two of the lines must be

1 mark

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4

Daylight hours

2.

The graph shows at what time the sun rises and sets in the American town of Anchorage.

The day with the most hours of daylight is called the longest day.

Fill in the gaps below, using the information from the graph.

The longest day is in the month of

On this day, there are about

hours of daylight.

The shortest day is in the month of

On this day, there are about

hours of daylight.

3 marks

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5

Plasters

3.

I buy a box of different size plasters.

Assume each plaster is equally likely to be the top plaster inside the box.

Altogether there are 35 plasters.

I take the top plaster from inside the box.

(a) What is the probability that the plaster is of size D?

1 mark

(b) What is the probability that the plaster is of size A?

1 mark

(c) What is the probability that the plaster is not of size A?

1 mark

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6

Calculators

4.

You can buy a new calculator for £1.25

In 1979 the same type of calculator cost 22 times as much as it costs now.

How much did the same type of calculator cost in 1979?

Show your working.

£

2 marks

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7

Delivery charges

5.

A company sells books using the internet.

The graph shows their delivery charges.

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8

(a) Use the graph to fill in the values in this table.

Number of books

Delivery charge (£)

8

9

1 mark

(b) For every extra book you buy, how much more must you pay for delivery?

p

1 mark

(c) A second company sells books using the internet.

Its delivery charge is £1.00 per book.

On the graph opposite, draw a line to show this information.

1 mark

(d) Complete the sentence.

Delivery is cheaper with the first company if you buy at least

books.

1 mark

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Magic square

6.

One way to make a magic square is to substitute numbers into this algebra grid.

(a) Complete the magic square below using the values

a = 10

b = 3

c = 5

2 marks

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(b) Here is the algebra grid again.

I use different values for a, b and c to complete the magic square.

What values for a, b and c did I use?

a =

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b =

c =

11

2 marks

Fractions

7.

Look at this diagram.

The diagram can help you work out some fraction calculations.

Calculate

1

+

12

=

1

3

+

1

4

=

1

3

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1

4

–

1

6

=

1 mark

1 mark

1 mark

12

Functions

8. (a) A function maps the number n to the number n + 2

Complete the missing values.

1 mark

(b) A different function maps the number n to the number 2n

Complete the missing values.

1 mark

(c) Many different functions can map the number 25 to the number 5

Complete the tables by writing two different functions.

2 marks

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13

Cuboids

9.

You can make only four different cuboids with 16 cubes.

(a) Which of the cuboids A and D has the larger surface area?

Tick ( ) the correct answer below.

Cuboid A

Cuboid D

Both the same

Explain how you know.

1 mark

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(b) Which cuboid has the largest volume?

Tick ( ) the correct answer below.

Cuboid A

Cuboid B

Cuboid C

Cuboid D

1 mark

All the same

(c) How many of cuboid D make a cube of dimensions 4 t 4 t 4?

1 mark

(d) You can make only six different cuboids with 24 cubes.

Complete the table to show the dimensions.

Two have been done for you.

3 marks

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Shading

10.

The shapes below are drawn on square grids.

(a) Is shape A an equilateral triangle? Tick ( ) Yes or No.

Yes

No

Explain your answer.

1 mark

(b) Is shape B a kite?

Yes

No

Explain your answer.

1 mark

(c) Is shape C a square?

Yes

No

Explain your answer.

1 mark

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16

Sums and products

11.

Write the missing numbers in the table.

The first row is done for you.

First number Second number Sum of first and second numbers Product of first and second numbers 3

6

9

18

5

–3

1 mark

–8

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–5

17

1 mark

Thinking fractions

12. (a) Calculate 5 t 3

6

5

Show your working.

Write your answer as a fraction in its simplest form.

2 marks

(b) Four-fifths of the members of a club are female.

Three-quarters of these females are over 20 years old.

What fraction of the members of the club are females over 20 years old?

Show your working.

2 marks

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Rearrange

13. (a) Rearrange the equations.

b + 4 = a

b =

4d = c

d =

1 mark

1 mark

m – 3 = 4k

m =

1 mark

(b) Rearrange the equation to make t the subject.

Show your working.

5( 2 + t ) = w

t =

2 marks

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Journey

14.

Two people, A and B, travel from X to Y along different routes.

Their journeys take the same amount of time.

B’s route

A’s route

B travels at an average speed of 40 km/h.

What is A’s average speed?

Show your working.

km/h

2 marks

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20

Factors again

15. (a) Ring the expression below that is the same as y 2 + 8y + 12

( y + 3)( y + 4 )

( y + 7)( y + 1)

( y + 2 )( y + 6 )

( y + 1 )( y + 12 )

( y + 3)( y + 5 )

1 mark

(b) Multiply out the expression ( y + 9 )( y + 2 )

Write your answer as simply as possible.

2 marks

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21

Rodents

16.

The scatter graph shows the average body length and average foot length of different species of rodents.

(a) What does the scatter graph tell you about the type of correlation between the body length and foot length for these rodents?

1 mark

(b) Draw a line of best fit on the scatter graph.

1 mark

(c) If body length increased by 50mm, by approximately how many millimetres would you expect foot length to increase?

Ring the correct value below.

2

7

15

50

275

1 mark

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Rodents cont, Two dice

(d) An animal has a body length of 228mm, and foot length of 22mm.

Is this animal likely to be one of these species of rodents?

Tick ( ) Yes or No.

Yes

No

Explain your answer.

1 mark

17.

I have two fair 4-sided dice.

One dice is numbered 2, 4, 6 and 8

The other is numbered 2, 3, 4 and 5

I throw both dice and add the scores.

What is the probability that the total is even?

You must show working to explain your answer.

2 marks

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Juice

18.

The table shows a recipe for a fruit drink.

Type of juice

Amount

Orange

1 litre 2

Cranberry

1 litre 3

Grape

1 litre 6

Total

I want to make 1

1 litre

1 litres of the same drink.

2

Complete the table below to show how much of each type of juice to use.

Show your working.

Type of juice

Amount

Orange

litre

Cranberry

litre

Grape

litre

Total

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24

1

1

2

litres

2 marks

Triangles

19.

Think about triangles that have

a perimeter of 15cm, two or more equal sides, and each side a whole number of centimetres.

Prove that there are only four of these triangles.

You do not need to construct the triangles.

3 marks

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END OF TEST

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© Qualifications and Curriculum Authority 2004

QCA, Key Stage 3 Team, 83 Piccadilly, London W1J 8QA

259573