Key Concept Animation: Multiplying Fractions. Lesson 3 Ex1 Multiply Positive Fractions Divide 3 and 9 by their GCF, 3. Answer: Simplify. Multiply the.

Slides:

Advertisements

Similar presentations

Multiply Fractions Multiply the numerators. Multiply the denominators. Answer:

Advertisements

Multiplying With Fractions

DIVIDING RATIONAL NUMBERS

Simplifying Fractions 3-5. Lesson 1 – Equivalent Fractions I can use multiples to write equivalent fractions. I can use factors to write equivalent fractions.

Splash Screen. Lesson Menu Five-Minute Check (over Lesson 2–1) Then/Now New Vocabulary Key Concept: Addition Property of Equality Example 1: Solve by.

Fraction Vocabulary.

Percent to Fraction 1.Setup a fraction with 100 as denominator 2.Insert percent number as numerator 3. Common Factor of numerator and denominator 4.Divide.

Equivalent Forms of Rational Numbers

2/28 Honors Algebra Warm-up

5-5 Multiplying Mixed Numbers Learn to multiply mixed numbers.

Over Lesson 3–3 A.A B.B C.C D.D 5-Minute Check 1.

Fractions and Decimals Lesson 3-8. Writing Decimals as Fractions Use the decimal as the numerator. Use the place value as the denominator (for example,

Lesson 2 Menu Five-Minute Check (over Lesson 7-1) Main Ideas and Vocabulary Targeted TEKS Key Concept: Quotient of Powers Example 1: Quotient of Powers.

Splash Screen. Lesson Menu Five-Minute Check (over Lesson 2–2) Main Idea and Vocabulary Key Concept: Multiply Fractions Example 1:Multiply Positive Fractions.

2.3 and 2.4 Multiplying and Dividing Fractions. Main Idea/Vocabulary dimensional analysis Multiply positive and negative fractions.

Fractions and Exponents  Step 1:  Understand the exponent means the number of times to multiply the “base” that it is on  Step 2:  Multiply  Step.

COURSE 2 LESSON Find Multiply the numerators. Multiply the denominators = Check for Reasonableness The answer,, is.

Multiplying Mixed Numbers and Fractions Lesson 6.3.

Key Concept: Multiply Fractions Example 1: Multiply Fractions

Over Lesson 3–5 A.A B.B C.C D.D 5-Minute Check 4 A. B. C. D. A.5 B. C. D.

4-6 Multiply Fractions & Mixed Numbers. Multiply Fractions To multiply fractions o multiply the numerators o Multiply the denominators Example: 2/3 *

Multiplying Fractions and Mixed Numbers 3 X 1. Step 1: Convert the mixed numbers to improper fractions. 3 = 7 X 3 = = 25 1 = 5 X 1 = = 8.

Fractions VI Simplifying Fractions

EQUIVALENT FRACTIONS Section 4.3 KEY TERMS Fraction –A number in the form of a which represents a b part of a whole Numerator –The top number of a fraction,

6 ∙ 10 = ∙ 10 = ∙ 10 = 6, ∙ 10 = 60, ∙ 10 = ∙ 10 = ∙ 100 = ∙ 100 = 6, ∙ 100 = 60, ∙ 100.

Section 8-4 Multiplying and Dividing Rational Expressions.

Section 5.5 Page 205.

4. Check that the answer is reduced: The numerator and denominator should not have any common factors besides 1. When the GCF of the numerator and denominator.

Warm Up Find the GCF of these sets 1) 10, 122) 14, 213) 24, 40 Answers: 1) 2 2) 7 3) 8.

Over Lesson 6–1 A.A B.B C.C D.D 5-Minute Check 1 Express the ratio as a fraction in simplest form. 10 tulips to 18 daffodils Express the ratio as a fraction.

Over Lesson 3–2 A.A B.B C.C D.D 5-Minute Check 1 Write 29 as a fraction. Write 0.6 as a fraction in simplest form.

By: Ruthie Covington. Directions First you find two fractions. If you have a mixed number, then you multiply the whole number by the denominator.

Splash Screen. Lesson Menu Five-Minute Check (over Lesson 2–3) Main Idea and Vocabulary Key Concept: Inverse Property of Multiplication Example 1:Find.

Fractions and Decimals. Writing Decimals as Fractions Use the decimal as the numerator. Use the place value as the denominator (for example, if the decimal.

Lesson 5 MI/Vocab slope-intercept form y-intercept Graph linear equations using the slope and y-intercept.

Fraction Notes Fraction Vocabulary Fraction - a number that stands for part of something. Denominator – the number on the bottom of a fraction; it tells.

Multiplying With Fractions Lesson 5-1. Just Follow These Easy Steps! n Multiply the numerators and write down the answer as your new numerator. n Multiply.

Lesson 1 MI/Vocab radical expression radicand rationalizing the denominator conjugate Simplify radical expression using the Product Property of Square.

Lesson 1 MI/Vocab radical expression radicand rationalizing the denominator conjugate Simplify radical expression using the Product Property of Square.

Key Concept 4a BrainPop: Multiplying and Dividing Fractions.

Lesson 8.2 Notes Quotient of Powers- to divide two powers that have the same base, subtract the exponents – Ex: Power of a Quotient- to find the power.

Splash Screen. Lesson Menu Five-Minute Check (over Lesson 3–5) NGSSS Then/Now New Vocabulary Key Concept: Adding Unlike Fractions Example 1: Adding Unlike.

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

Chapter 3, Lesson 3B Pages

Multiplying Fractions and Mixed Numbers

Multiplying With Fractions

AIM: How do we simplify, multiply and divide rational expressions?

Multiplying With Fractions

Multiplying Fractions and Mixed Numbers

Simplifying Fractions

7.1/7.2 – Rational Expressions: Simplifying, Multiplying, and Dividing

Mixed numbers and simplifying fractions

Multiplying With Fractions

Change each Mixed Number to an Improper Fraction.

Multiplying With Fractions

Fractions IV Equivalent Fractions

Multiplying Fractions

Multiplying With Fractions

Equivalent Fractions.

Multiplying and Dividing Rational Numbers

Which fraction is the same as ?

Key Concept: Multiply Fractions Example 1: Multiply Fractions

Fractions With Like Denominators

Fractions and Decimals

Multiplying and Dividing Rational Numbers

Equivalent Fractions.

L5-2 Notes: Simplifying Fractions

Presentation transcript:

Key Concept Animation: Multiplying Fractions

Lesson 3 Ex1 Multiply Positive Fractions Divide 3 and 9 by their GCF, 3. Answer: Simplify. Multiply the numerators. Multiply the denominators.

A.A B.B C.C D.D Lesson 3 CYP1 A. B. C. D.

Lesson 3 Ex2 Multiply Negative Fractions Divide –3 and 12 by their GCF, 3. The numerator and denominator have different signs, so the product is negative. Multiply the numerators. Multiply the denominators. Answer:

Lesson 3 CYP2 1.A 2.B 3.C 4.D A. B. C. D.

Lesson 3 Ex3 Multiply Mixed Numbers Divide 16 and 4 by their GCF, 4. Multiply the numerators. Multiply the denominators.

Lesson 3 Ex3 Multiply Mixed Numbers Answer: Simplify. Compare to the estimate.

1.A 2.B 3.C 4.D Lesson 3 CYP3 A. B. C. D.

Lesson 3 Ex4 Multiply Mixed Numbers VOLUNTEER WORK Last summer, the 7th graders performed a total of 250 hours of community service. If the 8th graders spent this much time volunteering, how many hours of community service did the 8th graders perform? The 8th graders spent the amount of time as the 7th graders on community service.

Lesson 3 Ex4 Multiply Mixed Numbers Answer: The 8th graders did 300 hours of community service last summer.

A.A B.B C.C D.D Lesson 3 CYP4 A.175 hoursB. 190 hours C.200 hoursD. 225 hours VOLUNTEER WORK Last summer, the 5th graders performed a total of 150 hours of community service. If the 6th graders spent this much time volunteering, how many hours of community service did the 6th graders perform?

Lesson 3 Ex5 Use Dimensional Analysis WATER USE Low–flow showerheads use gallons of water per minute. If family members shower a total of hours per week, how much water does the family use for showers each week? WordsWater used equals the time multiplied by the water flow rate. VariableLet w represent the gallons of water used. Equation

Lesson 3 Ex5 Divide by common factors and units. Use Dimensional Analysis

Lesson 3 Ex5 Use Dimensional Analysis Answer: If the family showers hours per week at a rate of gallons per minute, they will use 350 gallons of water.

A.A B.B C.C D.D Lesson 3 CYP5 A.15 gallonsB. 38 gallons C.775 gallonsD. 897 gallons