Grade 8 ANA Revision Maths Learner Workbook

95 Pages·2014·42.32 MB·English

GRADE 8 MATHEMATICS
ANA REVISION
Mathematics
will open
opportunities
Language is
to us!
our key to the world
Developing skills for overall school success!
Learner Workbook
GAUTENG PROVINCE
EDUCATION
REPUBLIC OF SOUTH AFRICA

CONTENTS
 PAGE

ANA
 TEST
 1

  PAGE
 1-­‐17

ANA
 MEMO
 1

  PAGE
 18-­‐25

REMEDIATION
 EXERCISES

  PAGE
 26-­‐89

ACKNOWLEDGEMENTS

  PAGE
 91
MARKS

ANNUAL
 NATIONAL
 ASSESSMENT
 2014

GRADE
 8
 MATHEMATICS

EXEMPLAR
 PAPER

MARKS:
 120

TIME:
 2½
 hours

PROVINCE
 __________________________________________

REGION
 ____________________________________________

DISTRICT
 ___________________________________________

SCHOOL
 NAME
 ______________________________________

EMIS
 NUMBER
 (9
 digits)

CLASS
 (e.g.
 8A)
 _______________________________________

SURNAME
 ___________________________________________

NAME
 ______________________________________________

GENDER
 (P)

 BOY
  GIRLS

DATE
 OF
 BIRTH

  C
  C
  Y
  Y
  D
  D

This
 test
 consists
 of
 15
 pages,
 excluding
 the
 cover
 pages

1
Instructions to the learner
1. Read all the instructions carefully.
2. Question 1 consists of 10 multiple-choice questions. Circle the letter of the correct
answer.

3. Answer questions 2 to 14 in the spaces or frames provided.
4. Show all working.
5. Give a reason for each statement in Question 7.
6. The test counts 120 marks.
7. The duration of the test is 2½ hours
8. The teacher will lead you through the practice exercise before you start the test.
9. You may use an approved scientific calculator (non-programmable and
non-graphical).

Practice exercise
Circle the letter of the correct answer.
Which of the numbers is an irrational number?
A. 3
B. -3
C. 11
D. 9
You have answered the question correctly if you have circled B.

2
QUESTION 1

1.1 Which number is missing?

1 1 1 1
; ; ; … ;
2 4 8 32

A. 16

B. 1

64
C. 4

64
D. 2

16

1.2 Which statement is incorrect?

A. The only prime factors of 24 are 2 and 3 .

B. The difference between - 8 and 3 is 11.

C. All integers are natural numbers.

D. 3 −27 is a rational number.

1.3 R 120 decreased by 5% is equal to ….
A. R 95
B. R 100
C. R 114
D. R 18
1.4 Complete the statement 144−22+3 8 =
A. 11
B. 14
C. 12
D. 10

3
1.5 3x2
The expression 2x+2−x+ has …
3x
A. 4 terms

B. 2 terms

C. 3 terms

D. 1 term

1.6 3 1 1
Complete of 1 +1
 =
4 3 3
A. 3
B. 5
C. 2
D. 12
1.7 The area of a rectangle with length of 15 cm and width of 7 cm is

A. 105 cm
B. 45 cm2
C. 105 cm3
D. 105 cm2
1.8 Write down the equation defining the relationship between the
input(x) on the left and output(y) on the right:

x y

-­‐2
  -­‐5

3

  5

5
  9

A. y = 2x+1
B. y = 2x−1
C. y =3x−2
D. y = x−2

4
1.9 Why is ∆𝐴𝐵𝐶 /// ∆𝐷𝐶𝐵?

A D
300 300

200 200
B C

A. SSS
B. AAA
C. 900,HS
D. SAS
1.10 A visitor to the Kruger National Park recorded the following
number of impala over 15 days:

25, 80, 34, 26, 21, 65, 28, 21, 39, 21, 30, 34, 21, 28, 40

The mean of the data is

A. 26
B. 45
C. 34,2
D. 34
Total [10]

5
QUESTION 2

2.1 Write 0,000 003 56 in scientific notation. (2)

_________________________________________________________

2.2 Divide R5 600 in the ratio 4 : 5 : 7. (4)

___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________

2.3 Simplify.

2.3.1   𝑥! + 2 𝑥! (3)

__________________________________
__________________________________

2.3.2 !"!!!!!  !"!!!! (3)

!!!!!

__________________________________
__________________________________

_____________________________________________

2.3.3 (3x)(2x5)−2x3(6x2) (4)
6x4

__________________________________
__________________________________

6
__________________________________
__________________________________

2.4 Multiply and simplify if possible.

3x2(x+2)+2x(x2 +3x) (3)
__________________________________
__________________________________
__________________________________

[19]

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