22
Working with fractions
Practise the calculator fractions skills outlined on pages 6 and 7 with the following
questions that involve fractions. Remember to use the round replay button to position the
cursor correctly when you are using MathIO.
1.
Evaluate
1
3
2
4
+
and express your answer as a mixed numeral, improper fraction
and a decimal.
2.
Express
7
2
8
5
´
as a fraction.
3.
Write the value of
1
4
3
5
1
-
as a fraction.
4.
Evaluate
9
3
10
5
1
´
and express your answer as an improper fraction.
5.
Write the answer to
3
1
8
4
1
2
´
as a mixed numeral.
6.
Find the value of
3
1
2
5
3
2
¸
and express the value as an improper fraction.
7.
Calculate
7
3
10
5
3
5
+
. Write your answer as a mixed numeral.
8.
Find the value of
2
3
5
( ) . Write your answer as a fraction and as a decimal.
9.
Calculate the value of
9
16
1 and express your answer as an improper fraction.
10.
Evaluate
3
1
1
4
2
2
2
1
+ ´
. Express your answer as a mixed numeral.
11.
Find a decimal value for
4
2
4
5
5
5
1
5
+
¸
.
12.
The
u
button produces the reciprocal of a fraction. Enter
2
5
u
and record the
reciprocal of
2
5
as an improper fraction and a mixed numeral.
13.
What is the reciprocal of
5
9
? Express your answer as a mixed numeral.
14.
Write the reciprocal of
1
2
3 as a fraction.
15.
What is the value of
3
5
multiplied by the reciprocal of
3
5
?
Answers
1
1
4
1 ,
5
4
, 1.25
2
7
20
3
8
15
4
36
25
5
3
32
3
6
35
26
7
3
10
9
8
9
25
, 0.36
9
5
4
10
1
2
3
11
8.55
12
5
2
,
1
2
2
13
4
5
1
14
2
7
15
1
© Sue Thomson and Shriro Australia PTY Limited. This page may be photocopied for classroom use.