13
KS3/09/Ma/Tier 4–6/P1 3 Doctors 1. In a survey, people were asked: How good is your doctor? The pie chart shows the results. Very good Satisfactory Poor Very poor Don’t know Key: (a) About what percentage of the people said ‘Satisfactory’? % (b) Altogether, about what percentage of the people said ‘Poor’ or ‘Very poor’? % (c) Give one reason why a person may say ‘Don’t know’. 1 mark 1 mark 1 mark KS3/09/Ma/Tier 4–6/P1 4 Using tens 2. Fill in the boxes to complete each number chain. Use any of the following: + 10 – 10 × 10 ÷ 10 450 45 450 35 450 46 1 mark 1 mark 1 mark

year7_2009_paper1

Embed Size (px)

DESCRIPTION

revision paper for year 7 igcse

Citation preview

Page 1: year7_2009_paper1

KS

3/0

9/M

a/T

ier

4–6/P

1

3

Do

cto

rs

1.

In a

surv

ey,

peo

ple

were

asked

:

Ho

w g

oo

d is y

our

do

cto

r?

The p

ie c

hart

sh

ow

s t

he r

esults.

Very

go

od

Satisfa

cto

ry

Po

or

Very

po

or

Do

n’t

kno

w

Ke

y:

(a)

Ab

out

what

perc

enta

ge o

f th

e p

eo

ple

said

‘S

ati

sfa

cto

ry’?

%

(b)

Alto

geth

er, a

bo

ut

what

perc

enta

ge o

f th

e p

eo

ple

said

‘P

oo

r’ o

r ‘V

ery

po

or’

?

%

(c)

Giv

e o

ne r

easo

n w

hy a

pers

on m

ay s

ay ‘D

on

’t k

no

w’.

1 m

ark

1 m

ark

1 m

ark

KS

3/0

9/M

a/T

ier

4–6/P

1

4

Usin

g t

ens

2.

Fill

in t

he b

oxes t

o c

om

ple

te e

ach n

um

ber

chain

.

Use a

ny o

f th

e f

ollo

win

g:

+10

–10

×10

÷10

450

45

450

35

450

46

1 m

ark

1 m

ark

1 m

ark

Page 2: year7_2009_paper1

KS

3/0

9/M

a/T

ier

4–6/P

1

5

Card

shap

e

3.

Sam

ir h

as a

pie

ce o

f card

that

is g

rey o

n o

ne s

ide a

nd

white o

n t

he o

ther.

He c

uts

out

this

shap

e f

rom

the c

ard

.

He t

urn

s o

ver

the s

hap

e s

o t

hat

the w

hite s

ide is s

ho

win

g.

Tic

k (

) a

ll t

he s

hap

es b

elo

w t

hat

sho

w t

he w

hit

e s

ide o

f S

am

ir’s

shap

e.

2 m

ark

s

KS

3/0

9/M

a/T

ier

4–6/P

1

6

Num

ber

lines

4.

Write

in t

he m

issin

g n

um

bers

.

–1

–3

7

++

+7

3

+10

1 m

ark

1 m

ark

1 m

ark

Page 3: year7_2009_paper1

KS

3/0

9/M

a/T

ier

4–6/P

1

7

Rho

mb

us g

rid

5.

Lo

ok a

t th

e s

had

ed

shap

es.

A

Iso

metr

ic

grid

B

(a)

The a

rea o

f shap

e A

is 3

cm

2

What

is t

he a

rea o

f shap

e B

?

cm

2

(b)

On t

he g

rid

, d

raw

a t

ria

ng

le t

hat

has a

n a

rea o

f 6

cm

2

1 m

ark

1 m

ark

KS

3/0

9/M

a/T

ier

4–6/P

1

8

Mis

sin

g d

igits

6.

Write

the m

issin

g d

igits in e

ach c

alc

ula

tio

n b

elo

w.

The fi

rst

one is d

one f

or

yo

u.

19

×3

=5

7

×3

=5

1

×3

=4

1 m

ark

1 m

ark

Page 4: year7_2009_paper1

KS

3/0

9/M

a/T

ier

4–6/P

1

9

Clo

cks

7.

(a)

I sta

rted

sw

imm

ing

at

9a

m.

12 6

39

When I fi

nis

hed

sw

imm

ing

, th

e m

inu

te h

an

d o

f th

e c

lock h

ad

tu

rne

d 3

60°

What

tim

e d

id I fi

nis

h s

wim

min

g?

(b)

I sta

rted

walk

ing

at

3p

m.

12 6

39

When I fi

nis

hed

walk

ing

, th

e h

ou

r h

an

d o

f th

e c

lock h

ad

tu

rne

d 9

What

tim

e d

id I fi

nis

h w

alk

ing

?

1 m

ark

1 m

ark

KS

3/0

9/M

a/T

ier

4–6/P

1

10

Sum

of

80

8.

Lo

ok a

t th

is s

et

of

four

num

ber

card

s.

20

20

20

20

The

su

m o

f th

ese n

um

bers

is 8

0

No

w lo

ok a

t th

e t

wo

sets

of

num

ber

card

s b

elo

w.

Se

t A

Se

t B

17

18

19

20

21

22

23

24

Whic

h s

et

has a

su

m t

hat

is c

lose

r to

80?

Set

AS

et

B

Exp

lain

yo

ur

an

sw

er.

1 m

ark

Page 5: year7_2009_paper1

KS

3/0

9/M

a/T

ier

4–6/P

1

11

Num

ber

chain

s

9.

(a)

A n

um

ber

chain

sta

rts

12

5

To f

ind

the n

ext

num

ber

yo

u u

se t

he r

ule

×

3th

en – 1

Write

the n

ext

two

num

bers

in t

he n

um

ber

ch

ain

.

12

5

(b)

Here

is a

diffe

rent

num

ber

chain

.

39

27

81

What

co

uld

the r

ule

be t

o f

ind

the n

ext

num

ber?

1 m

ark

1 m

ark

KS

3/0

9/M

a/T

ier

4–6/P

1

12

Makin

g 1

10.

(a)

Jo

in a

ll th

e p

airs o

f num

bers

that

ad

d t

og

eth

er

to e

qual 1

The f

irst

one is d

one f

or

yo

u.

0.1

0.1

1

0.0

1

0.9

1

0.0

01

0.9

9

0.9

0.9

99

0.8

9

0.0

9

(b)

No

w jo

in a

ll th

e p

airs o

f num

bers

that

mu

ltip

ly t

o e

qual 1

The f

irst

one is d

one f

or

yo

u.

1 0.5

0.2

5

0.1

0.0

5

2 4 1

20

10

2 m

ark

s

2 m

ark

s

Page 6: year7_2009_paper1

KS

3/0

9/M

a/T

ier

4–6/P

1

13

T-shirts

11.

Paul has 1

5 T

-shirts

.

The info

rmatio

n s

ho

ws t

he c

olo

urs

of

his

T-s

hirts

.

5 b

lack

3 w

hite

3 r

ed

2 d

ark

blu

e

1 lig

ht

blu

e

1 y

ello

w

Paul is

go

ing

to

take o

ne o

f his

T-s

hirts

at

rand

om

.

(a)

What

is t

he p

rob

ab

ility

that

the T

-shirt

will

be r

ed

?

(b)

What

is t

he p

rob

ab

ility

that

the T

-shirt

will

no

t b

e b

lac

k?

(c)

He t

akes o

ne o

f his

blu

eT-

shirts

at

rand

om

.

What

is t

he p

rob

ab

ility

that

the T

-shirt

is lig

ht

blu

e?

1 m

ark

1 m

ark

1 m

ark

KS

3/0

9/M

a/T

ier

4–6/P

1

14

Wate

r

12.

Zak h

as s

om

e w

ate

r in

a jug

.

2 1

litre

s

He p

ours

this

wate

r in

to t

he jug

belo

w.

Dra

w t

he c

orr

ect

level o

f th

e w

ate

r o

n t

he jug

.

1000

800

600

400

200

mill

ilitr

es

1 m

ark

Page 7: year7_2009_paper1

KS

3/0

9/M

a/T

ier

4–6/P

1

15

Bo

xes

13.

Lis

a h

as s

om

e b

oxes t

hat

are

all

cub

es o

f th

e s

am

e s

ize.

She u

ses f

our

of

the b

oxes t

o m

ake a

pile

with

a h

eig

ht

of

72

cm

.

She p

uts

one m

ore

bo

x o

n t

op

of

the p

ile.

72

cm

?

Wo

rk o

ut

the h

eig

ht

of

the p

ile o

f fi

ve

bo

xes.

cm

2 m

ark

s

KS

3/0

9/M

a/T

ier

4–6/P

1

16

Perc

enta

ges

14.

(a)

Work

out

5%

of

360

(b)

Work

out

15%

of

360

Yo

u c

an u

se p

art

(a) to

help

yo

u.

1 m

ark

1 m

ark

Page 8: year7_2009_paper1

KS

3/0

9/M

a/T

ier

4–6/P

1

17

Num

ber

grid

s

15.

In t

hese n

um

ber

grid

s, tw

o n

um

bers

are

ad

ded

to

giv

e t

he n

um

ber

belo

w.

Exam

ple

:

13

12

25

13 +

12 =

25

Write

num

bers

in t

he n

um

ber

grid

s b

elo

w t

o m

ake t

hem

co

rrect.

22

35

17

7

12

3

1 m

ark

1 m

ark

KS

3/0

9/M

a/T

ier

4–6/P

1

18

Ang

les in a

triang

le

16.

Lo

ok a

t th

e r

ight-

ang

led

triang

le A

BC

.

70

°

A

BC

x

zy

No

t d

raw

n

accura

tely

The s

quare

fits

exactly insid

e t

he t

riang

le.

Wo

rk o

ut

the s

izes o

f ang

les x

,y

and

z

x =

°

y =

°

z =

°

3 m

ark

s

Page 9: year7_2009_paper1

KS

3/0

9/M

a/T

ier

4–6/P

1

19

Fin

din

g b

, M

atc

hin

g

17.

Lo

ok a

t th

ese e

quatio

ns.

11

=6

+a

a+

7=

10

+b

Use

bo

th e

quatio

ns t

o w

ork

out

the v

alu

e o

f b b =

2 m

ark

s

18.

Matc

h e

ach

instr

uctio

n o

n t

he left

with a

n instr

uctio

n o

n t

he r

ight

that

has

the

sa

me

eff

ec

t.

The fi

rst

one is d

one f

or

yo

u.

Sub

tract

0

Ad

d 0

Ad

d1 2

Ad

d 2

Sub

tract

1 2

Sub

tract

2A

dd

–2

Sub

tract

–2

1 m

ark

KS

3/0

9/M

a/T

ier

4–6/P

1

20

Oak leaves

19.

Pup

ils a

re in

vestig

ating

oak leaves.

They w

ant

to c

olle

ct

a s

am

ple

of

oak leaves.

Here

is t

heir p

lan f

or

ho

w t

o c

olle

ct

the s

am

ple

.

Pla

n

Cho

ose o

ne o

ak t

ree.

Take 1

0 leaves f

rom

the lo

west

bra

nches o

f th

e t

ree.

Giv

etw

o r

easo

ns w

hy t

his

sam

ple

of

leaves m

ay

no

t b

e r

ep

rese

nta

tive

of

all

oak leaves.

First

reaso

n:

Seco

nd

reaso

n:

1 m

ark

1 m

ark

Page 10: year7_2009_paper1

KS

3/0

9/M

a/T

ier

4–6/P

1

21

Mis

sin

g leng

ths

20.

Lo

ok a

t th

e r

ecta

ng

le.

x

y 6.1

cm

4cm

No

t d

raw

n

accura

tely

The

tota

l a

rea

of

the r

ecta

ng

le is 4

0c

m2

Wo

rk o

ut

leng

ths x

and

y

x=

cm

y

=

cm

2 m

ark

s

KS

3/0

9/M

a/T

ier

4–6/P

1

22

Co

unte

rs

21.

(a)

Bag

s A

an

d B

co

nta

in s

om

e c

ounte

rs.

6y

+ 1

co

unte

rs

Bag

A

4y

+ 7

co

unte

rs

Bag

B

The n

um

ber

of

co

unte

rs in e

ach b

ag

is t

he

sa

me

.

Wo

rk o

ut

the v

alu

e o

f y

(b)

Bag

C c

onta

ins m

ore

co

unte

rs t

han b

ag

D.

4k

co

unte

rs

Bag

C

k+

12

co

unte

rs

Bag

D

What

is t

he s

ma

lle

st

po

ssib

le v

alu

e o

f k?

2 m

ark

s

2 m

ark

s

Page 11: year7_2009_paper1

KS

3/0

9/M

a/T

ier

4–6/P

1

23

Prize

mo

ney

22.

Gary

to

ok p

art

in a

quiz

sho

w a

nd

wo

n a

millio

n p

ou

nd

s.

He s

pent

£20

000

on a

ho

liday.

Then h

e s

pent

ha

lf o

f th

e m

on

ey le

ft o

n a

ho

use.

Ho

w m

uch d

id G

ary

’s h

ouse c

ost?

£2 m

ark

s

KS

3/0

9/M

a/T

ier

4–6/P

1

24

Co

rrela

tio

n

23.

Lo

ok a

t th

ese t

wo

scatt

er

gra

phs. T

hey a

re b

oth

dra

wn u

sin

g t

he s

am

e s

cale

.

Gra

ph A

Gra

ph B

(a)

Whic

h s

catt

er

gra

ph s

ho

ws p

osit

ive

co

rrela

tio

n?

AB

Exp

lain

yo

ur

an

sw

er.

(b)

Whic

h s

catt

er

gra

ph s

ho

ws s

tro

ng

er

co

rrela

tio

n?

AB

Exp

lain

yo

ur

an

sw

er.

1 m

ark

1 m

ark

Page 12: year7_2009_paper1

KS

3/0

9/M

a/T

ier

4–6/P

1

25

Shap

e r

ule

s

24.

Lo

ok a

t th

e s

eq

uence o

f shap

es o

n a

sq

uare

grid

.

Shap

e

num

ber

1

Shap

e

num

ber

2

Shap

e

num

ber

3

Shap

e

num

ber

4

The t

ab

le s

ho

ws info

rmatio

n a

bo

ut

these s

hap

es.

Shap

e n

um

ber

N

Base

B

Heig

ht

H

Are

aA

14

24

24

36

34

48

44

510

Ru

les c

onnect

N,

B,

H a

nd

A.

Write

one m

issin

g lett

er

in e

ach s

pace b

elo

w t

o c

om

ple

te t

he r

ule

.

H=

+1

A=

×2

=2

N+

22 m

ark

s

KS

3/0

9/M

a/T

ier

4–6/P

1

26

Fo

rtie

ths

25.

Lo

ok a

t th

is info

rmatio

n.

27

40

= 0.6

75

29

40

= 0.7

25

Use t

his

info

rmatio

n t

o w

rite

the m

issin

g d

ec

ima

ls b

elo

w.

31

40

=

23

40

=

1 m

ark

1 m

ark

Page 13: year7_2009_paper1

KS

3/0

9/M

a/T

ier

4–6/P

1

27

Exp

ressio

ns

26.

In t

his

questio

n, n

sta

nd

s f

or

any w

ho

le n

um

be

r.

(a)

Fo

r th

e e

xp

ressio

n 2

n, tick (

) th

e c

orr

ect

sta

tem

ent

belo

w.

2n

must

be o

dd

.

2n

must

be e

ven.

2n

co

uld

be o

dd

or

even.

Exp

lain

yo

ur

an

sw

er.

(b)

Fo

r th

e e

xp

ressio

n 3

n, tick (

) th

e c

orr

ect

sta

tem

ent

belo

w.

3n

must

be o

dd

.

3n

must

be e

ven.

3n

co

uld

be o

dd

or

even.

Exp

lain

yo

ur

an

sw

er.

1 m

ark

1 m

ark

PL

EA

SE

TU

RN

OV

ER

ISB

N N

o:

978-1

-84721-7

02-8

QC

A/0

9/3

786 (

Pu

pil

pack

)

© Q

ualifi

cati

ons

and

Curr

iculu

m A

uth

ori

ty 2

00

9

QC

A/0

9/3

783 (

Mark

sch

em

e p

ack

) 290009

KS

3/0

9/M

a/T

ier

4–6/P

1

28

EN

D O

F T

ES

T

Ratio

, P

ow

ers

27.

On t

his

neckla

ce t

he r

atio

of

bla

ck b

ead

s t

o w

hite b

ead

s is 1 : 3

Ho

w m

any m

ore

bla

ck b

ead

s d

o y

ou n

eed

to

ad

d t

o m

ake t

he r

atio

of

bla

ck t

o w

hite 3 : 1

?

bla

ck b

ead

s1 m

ark

28.

Sho

w t

hat

the d

iffe

ren

ce

betw

een 3

2and

33

is 1

8

1 m

ark