Worksheet 26 Memorandum: Revision Term 1 Grade 9 Mathematics
Worksheet 26 Memorandum: Revision Term 1
Grade 9 Mathematics
1. Complete the table by ticking the correct columns for each number
Number
R
R'
Q
Q'
Z
N
No
0
0.56
8
-3
4.8
2. a) 804 2 402 2 201 3 67 67 1
c) 378 2
189 3
63 3
21 3
7
7
1
b) 312 2 156 2 78 2 39 3 13 13 1
d) 846 2 423 3 141 3 47 47 1
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3. a)
( ( ))
b)
( )
c) e) ( ) ( ) h)
d)
()
( )
f)
( ( ))
( )
g)
( )
()
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i)
() ()
j)
4. Common Fraction
5.
a)
( ) ()
Decimal Fraction 0.7 0.74 0.31 1.5
0.929 0.136 0.285714... 0.25 0.98
Percentage 70% 74% 31% 150% 92.9% 13.6%
28.57% 25% 98%
81.82%
b)
() ()
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c)
( )
(
)
e)
( )( ) ( )( )
d) ( )
(
)
( )
( ) ( )( )
6. a) 0.00096 c) 0.0000067 e) 0.00004588
b) 32 760 000
d) 3 699 100
f)
51 272
7. a) 1, 4, 9, 16....
b) 2, 8, 18, 32...
i)
25, 36, 49
i)
50, 72, 98
ii) the position of the term squared ii) the position of the term squared
and then doubled.
iii) 100
iii) 200
iv)
iv)
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c) 7
11 15 19...
d) 1
2
4
8...
i)
23, 27, 31
i)
16, 32, 64
ii) add 4 to the previous term
ii) double the previous term
iii) 4(10) +3 = 43
iii) 128, 256, 512
iv)
iv)
e) 8
15 22 29
i)
36, 43, 50
ii) add 7 to the previous term
iii) 7(10) +1 = 71
iv)
8. a)
-4
-2
-1
0
1
2
7
10
m
23
13
8
3
-2
-7
-32
-47 -5m+3
b)
-4
-2
-1
0
1
2
6
14
m
-23
-15
-11
-7
-3
1
17
49 4m ? 7
c)
-3
-2
-1
0
1
3
5
10
m
1
3
27
243 59 049
d)
-6
-2
-1
0
1
4
8
15
m
-56
-20
-11
-2
7
34
70
133 9m ? 2
e)
-9
-2
-1
0
1
5
12
18
m
-27
1
5
9
13
29
57
81 4m + 9
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