Year 9 Procedural Revision. (with answers)
1.
Write the following numbers in words
a) 264
Two hundred and sixty four
b) 13804
Thirteen thousand, eight hundred and four
c) 4538080
Four million, five hundred and thirty eight thousand and eighty.
2.
Write the following words in numbers
a) One thousand, six hundred and four
1604
b) Two thousand, one hundred and five
2105
c) Six hundred thousand, four hundred and thirty five.
600435
3.
Fill in the missing number
a) 3543 + 182 =
3725
b) 4836 – 1098 =
3738
c) 3862 -
1153
= 2709
d) 1568
+
1311
= 2879
e)
9 x
3
= 27
f) 72 ÷
8
= 9
g)
5
x 6 = 30
h)
28
÷ 7 = 4
4.
Find the value of
a)
5
25
b) 8
64
c) 12
144
d) √ 36
6
e) √ 81
9
f ) √ 49
7
g) 4
64
h) 2
8
g) 10
1000
2
2
2
3
3
3
i) ∛27
3
j) ∛64
4
k) the reciprocal of 2
½
l) the reciprocal of 10
m) the reciprocal of ½
2
n) the reciprocal of
1
2
5
10
5
2
5.
Write the following numbers in standard form
a)
2390000
b) 39400
c) 3000000000
d) 0.0087
e) 0.000145
2.39 x 10
3.94 x10
3.0 x10
8.7x10
1.45 x10
6
4
9
-3
-4
6.
Write the following as ordinary numbers
a) 1.4 x 10
b) 3.56 x 10
c) 4.9 x 10
d) 5.96 x 10
3
6
-3
-7
1400
3560000
0.0049
0.000000596
7.
Write the following improper fractions as mixed number fractions
a)
1
b)
2
c)
5
d)
6
5
1
8
2
26
1
45
3
4
4
3
3
5
5
7
7
8.
Write the following mixed number fractions as improper fractions
a) 3
b) 5
c) 2
d) 7
1
13
2
27
2
16
7
70
4
4
5
5
7
7
9
9
9.
Fill in the table below
Fraction
Percentage
Decimal
½
50%
0.5
1/4
25%
0.25
1/10
10%
0.1
1
20%
0.20
5 �
2/5
40%
0.40
3/10
30%
0.3
¾
75%
0.75
10.
Place the following fractions in order of size, smallest first
1
3
1
1
3
2 �
4 �
�
�
5 �
10
10
3
3
1
1
1
�
5 �
�
2 �
4 �
10
10