MoreThanMaths.com
[pic]
During this lesson you will learn:
• What a reciprocal is
• How to calculate reciprocals of whole numbers
• How to calculate reciprocals of fractions
• How to calculate reciprocals using a scientific calculator
You need to open the Beginner’s Guide to Reciprocals.
• You will find it at learn/number/reciprocals/
• You will use this the Beginner’s Guide to Reciprocals to help you answer the questions on this sheet.
1. What is a reciprocal?
2. Work out the reciprocals of these numbers.
Use Marvo’s Marvellous Reciprocal Calculator to find the answers.
a. 2
b. 5
c. 6
d. 10
e. 12
f. 15
g. 20
h. 30
i. 100
j. 28
3. What did you notice about the answers in question 2?
4. Is there a quick way to work out the answers?
5. Work out the reciprocals of these fractions.
Use Marvo’s Marvellous Reciprocal Calculator (for fractions) to find the answers.
a. [pic]
b. [pic]
c. [pic]
d. [pic]
e. [pic]
6. What did you notice about the answers in question 4?
Is there a quick way to work out the answers?
7. Work out the reciprocals of these fractions.
Use Marvo’s Marvellous Reciprocal Calculator (for fractions) to find the answers.
a. [pic]
b. [pic]
c. [pic]
d. [pic]
e. [pic]
8. What did you notice about the answers in question 6?
Is there a quick way to work out the answers?
9. There is a button on a scientific calculator for calculating reciprocals.
What does the button look like? Sketch it in the space below:
Can you find this button on your calculator?
Watch out – it might be a second function!
10. Use your calculator to find the reciprocals of these numbers.
a. 4
b. 25
c. 200
d. 0.2
e. 0.5
f. 625
g. 0.25
h. 1.4
i. 1.8
j. 0.16
11. Use your calculator to find the reciprocals of these fractions.
12.
a. [pic]
b. [pic]
c. [pic]
d. [pic]
e. [pic]
f.
Can you get 60% correct on these questions for GCSE grade D?
30% correct is worth grade E.
1. Without using a calculator, write down the reciprocals of these numbers.
g. 4
a. 8
b. 50
c. 37
d. 6
2. Without using a calculator, write down the reciprocals of these fractions.
e. [pic]
a. [pic]
b. [pic]
c. [pic]
d. [pic]
3. Without using a calculator, write down the reciprocals of these fractions.
e. [pic]
f. [pic]
g. [pic]
h. [pic]
i. [pic]
4. Use your calculator to find the reciprocals of these numbers.
j. 10
a. 200
b. 250
c. 0.72
d. 0.9
................
................
In order to avoid copyright disputes, this page is only a partial summary.
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.
Related searches
- getroman com reviews
- acurafinancialservices.com account management
- acurafinancialservices.com account ma
- getroman.com tv
- http cashier.95516.com bing
- http cashier.95516.com bingprivacy notice.pdf
- connected mcgraw hill com lausd
- education.com games play
- rushmorelm.com one time payment
- autotrader.com used cars
- b com 2nd year syllabus
- gmail.com sign in