Part Two: Introducing Percentages and Decimals

Slides:

Advertisements

Similar presentations

1 Conversions Press Ctrl-A ©2009 – Not to be sold/Free to use Stage 4 -Year 7.

Advertisements

Fractions, Decimals, & Percent Conversions

Fractions, Decimals, & Percents. I. How to convert fractions to decimals There is only 1 step in these types of problems:  Take the top number of your.

Fractions and Decimals

By the end of this lesson you will be able to explain/calculate the following: 1. Fractions on your calculator 2. Converting fractions to decimals 3. Converting.

Converting Fractions, Decimals, and Percents Fractions, decimals and percents can (with a few exceptions) be converted to any of the three formats. 50%

Converting Fractions to Decimals

Rational Numbers Jeopardy

Percentages without a calculator

Convert between fractions, decimals and percents.

Fractions, decimals and percentages

Convert: fractions to decimals and decimals to fractions.

Change between Mixed #’s & Improper Fractions. Write each fraction in simplest form

Multiplying Mixed Numbers and Fractions Lesson 6.3.

Decimals, Fractions & Percentages. Fractions Numbers that are a ratio of two numbers ½ = 1:2 a part of a whole.

Converting between Decimals, Fractions and Percentages

Percents and Fractions. Vocabulary A percent is a ratio that compares a number to 100. It means “per 100.” 49 out of 100 is 49%.

FRACTIONS & DECIMALS How to add, subtract, multiply, & divide fractions and decimals.

OPERATIONS USING FRACTIONS. 1. Add, subtract, multiply and divide fractions with and without a calculator. 2. Convert between equivalent forms of fractions.

Part Two: Introducing Percentages and Decimals

MEASUREMENT & DIMENSIONS

Percentages Percent comes from ‘per’ ‘cent’ which means ‘every’ ‘hundred’. Therefore: 20% means 20 out of every hundred. That is 20 ÷ % = = 20 ÷

Fractions, Decimals, and Percents SWBAT model percents; write percents as equivalent ratios and to write ratios as equivalent percents; write percents.

Converting Fractions to Decimals Ms. Stewart Math 7 COPY SLIDES WITH A PENCIL ICON.

Solving Decimal Equations by x / ÷ Lesson 3-6. Basic Decimal Knowledge Decimal represented by . “Decimal places”  the digits that come AFTER the decimal.

Percent DecimalFraction. Change Percent Into Fraction Write the numerator over one hundred and simplify it. Write 58% as a fraction. 58 ÷ 2 = ÷

Fractions, Decimals, Percentages

English System (Ruler)

Converting Fractions, Decimals & Percentages. COMMONLY OCCURING VALUES IN PERCENTAGES, DECIMALS & FRACTIONS.

DECIMALS Chapter 2. Expressas a decimal. Expressas a decimal.

Fractions and Decimal Fractions Fractions Decimal Fractions

Conversions % Multiply by a special form of 1 Divide 2 by 5

By: Meghan Coyle and Karli Santoro. * Divide the top number by the bottom number * Example: 4\9 First: set up 4 divided by 9 Next: Add a decimal point.

In this lesson you are going to learn how to divide fractions by multiplying by the reciprocal.

Fraction – decimal Fraction – percent Decimal – fraction Decimal – percent Percent – decimal Percent – fraction.

Unit 2 Percentages Percents. Unit 2 Percentages Percents.

Multiplying and dividing decimals

Converting Fractions to Decimals

Students will be able to simplify fractions and ratios (5-4).

The word percent means out of 100

“Take the top #, Divide by the bottom #!”

B: Fractions, Decimals, and Percents

FRACTIONS DECIMALS & PERCENTS

Decimals > Fractions > Percentages

MEASUREMENT & DIMENSIONS

Finding the Percent of a Number

Fractions and Decimals

Fractions, Decimals & Percentages

Percents, Fractions, and Decimals

Do Now In your purple books: Page 24 #11.

“ I can create equivalent forms of fractions, decimals, and percents.”

Maths Unit 11 – Fractions, Decimals & Percentages

Dividing Fraction and Whole number

Unit 2. Day 14..

Which fraction is the same as ?

Review Mathematics Skills

Percentage Conversion

Converting to Percentages

Converting between Percentages, Decimals and Fractions

Fractions, Decimals, Percents

Goal: The learner will find equivalent fractions.

Converting Fractions, Decimals, & Percentages

Fraction and Decimals DIRECTIONS: 1. Read through the PowerPoint to complete your notes 2. Complete the practice problems in the notes 3. Check your practice.

Percentage of a number.

Converting Rational Numbers

Expressing fractions as percentages

Maths Unit 9 – Fractions, Decimals & Percentages

Presentation transcript:

Part Two: Introducing Percentages and Decimals Fractions Part Two: Introducing Percentages and Decimals

Lesson Objectives To be able to convert between fractions, decimals and percentages

1. Fractions to Decimals Divide the top by the bottom 2. Fractions to Percentages Multiply by 100 Examples

Change these fractions into decimals and percentages: 1. 5. 2. 6. 7. 4. 8.

1. Percentages to Decimals Divide by 100 2. Percentages to Fractions Put it over 100 Simplify Examples

Change these percentages into decimals and fractions: 1. 5. 2. 6. 7. 4. 8.

1. Decimals to Percentages Multiply by 100 2. Decimals to Fractions Put it over 100 Simplify Examples

Change these percentages into decimals and fractions: 1. 5. 2. 6. 7. 4. 8.

Fractions Decimals Percentages 31/100 0.31 31% 19/50 0.38 38% 7/20 0.35 35% 1/5 0.2 20% 17/25 0.68 68% 9/10 0.9 90% 13/40 0.325 32.5% 1/8 0.125 · 12.5% · 49/60 0.816 · 81.6% · 2/3 0.6 66.6%

Matching fractions, decimals and percentages 20% 0.125 12.5% 30% 25% 0.02 0.6 75% 2% 0.1 66.66’% 0.25 0.66’ 60% 0.4 0.2 0.33’ 40% 0.04 4% 33.33’% 10% 0.3 0.75 30% ¾ 0.2 2% ⅓ 0.125