Uploaded by lwandles466

Gr 9 Term 1 2021 Revision Test

advertisement
PORT SHEPSTONE ISLAMIC SCHOOL
MATHEMATICS
REVISION TEST ONE
GRADE 9
TERM 1 2021
TIME: 1 Hour
NAME : ………………………………………………………….
TOTAL: 50
CLASS:…………….
INSTRUCTIONS AND INFORMATION
1.
This question paper consists of 6 questions.
2.
Answer ALL the questions.
3.
Clearly show ALL calculations, diagrams, graphs et cetera
that you have used in determining yours answers
4.
Number the answers correctly according to the numbering
system used in this question paper.
5.
Round off answers to TWO decimal places if the degree of
accuracy is not specified.
6.
Write neatly and legibly.
Turn over
2
QUESTION 1
Classify the following numbers as Natural, Whole number, irrational, non – real,
rational
− 27
1.1
______________________________
(1)
1.2
1.3
1.4
1.5
21
______________________________
•
(1)
(1)
2, 3
______________________________
11
______________________________
(1)
______________________________
(1)
−9
[5]
QUESTION 2
2.1
Find the HCF of 24x3yz4 ; 30x2y2z3 and 36x3y2z3
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
(4)
2.2
Determine the LCM of 150 ; 250 and 375.
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
(4)
[8]
3
QUESTION 3
3.1
Simplify the ratio 154: 132 in its simplest form
__________________________________________________________ (2)
3.2
Increase R700 in the ratio 3: 2
__________________________________________________________
__________________________________________________________ (2)
3.3
Decrease 117 kg in the ratio 10: 13.
__________________________________________________________
__________________________________________________________ (2)
3.4
Three boys share R2100 in the ratio 3: 5: 7. Calculate how much each
boy will get.
__________________________________________________________
__________________________________________________________
__________________________________________________________ (3)
3.5
Michelle and Themba are travelling from Cape Town to Johannesburg
by car. They travel 30km in 18 minutes and they continue at this constant
speed. How far will they have travelled in 1 hour 48 min.
__________________________________________________________
__________________________________________________________
__________________________________________________________ (3)
3.6
The table below shows the cost in rand for litres of milk.
3.6.1 Complete the table.
Litres of milk
1
2
4
Cost in rand
8
16
32
6
12
64
(3)
3.6.2 What type of proportion is this?
__________________________________________________________ (1)
4
3.7
The table below shows the number of hours that men take to complete a
particular task.
3.7.1 Complete the table
Number of Men to do task
1
2
4
Hours to complete a task
8
4
2
6
12
4
5
(3)
3.7.2 What type of proportion is this?
__________________________________________________________ (1)
[20]
QUESTION 4
In this question you are not allowed to use a calculator. Show all your
calculations.
4.1
Calculate the value of:
3
− 27 − 36
__________________________________________________________
__________________________________________________________ (2)
4.2
Between which two consecutive integers does
130 lie?
__________________________________________________________
__________________________________________________________ (2)
4.3
3
73 − (− 3) =
2
__________________________________________________________
__________________________________________________________ (2)
4.4
1,44 − 3 0,064 =
__________________________________________________________
__________________________________________________________ (2)
4.5
Evaluate
4.5.1
7 7
− , giving your answer as a fraction in its lowest terms.
8 10
__________________________________________________________
__________________________________________________________ (1)
1
1
4.5.2 2  3 , giving your answer as a mixed number.
3
2
__________________________________________________________
__________________________________________________________ (1)
5
4.5.3 24  6 + 2  9
__________________________________________________________
__________________________________________________________ (2)
4.5.4 0,4  0,02
__________________________________________________________
__________________________________________________________ (1)
[13]
QUESTION 5
Calculate the following without the use of a calculator:
5.1
− 82  ( − 2)3
__________________________________________________________ (1)
5.2
1
1
2 +1
2
3
__________________________________________________________
__________________________________________________________ (1)
5.3
2
1
2 1
3
9
__________________________________________________________
__________________________________________________________ (1)
5.4
3
−
1
1
− 2
8
4
__________________________________________________________
__________________________________________________________ (1)
[4]
GRAND TOTAL 50
Download