Working With Fractions - Casio FX-82AU PLUS Using Manual

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