Fractions And Decimals - Casio FX-82AU PLUS Using Manual

Remember!
When you have a fraction or a decimal displayed on the screen pressing the n button
will allow you to toggle between decimal and fractional representation. Pressing SHIFT
n will toggle between an improper fraction and mixed numeral representation for
expressions with a value greater than 1. Instructions for entering fractions in MathIO and
LineIO are on pages 6 and 7.
Practice your skills with the following questions.
3
1. Express 1 as a decimal.
4
7
2. Express 2 as an improper fraction.
8
3. Change 0.135 to a fraction.
4. Write 2.65 as an improper fraction.
11
5. What is as a mixed numeral?
5
6. Enter 5% into your calculator by pressing 5 SHIFT(. Press p and n to
express 5% as a decimal and as a fraction.
7. Express 36% as a fraction.
8. What is 8% as a decimal?
9. What number is equivalent to 125%?
10. Express 45% as a fraction.
11. Write 8.5% as a decimal.
12. What decimal is equivalent to
13. What improper fraction is equivalent to
8
as a fraction in its simplest form. (Enter the fraction then press p.)
14. Express
12
85
15. Express as a mixed numeral expressed in simplest form.
25
Answers
23
1 1.75 2 3
8
9
10 11 0.085 12 0.375 13
20
© Sue Thomson and Shriro Australia PTY Limited. This page may be photocopied for classroom use.

Fractions and Decimals

3
?
8
27 53
1
4 5 2
5
200 20
22
5
2
4 ?
5
1 9
6 0.05, 7
20 25
2 17
14 15
3 5
8 0.08 9 1.25
20