Presentation Transcript
Slide 1:Warm Up Problem of the Day Lesson Presentation
Slide 2:Warm Up
Divide. 12 24 3 4 16 1. 36 ? 3 2. 144 ? 6 3. 68 ? 17 4. 345 ? 115 5. 1024 ? 64
Slide 3:Problem of the Day
An ice cream parlor has 6 flavors of ice cream. A dish with two scoops can have any two flavors, including the same flavor twice. How many different double-scoop combinations are possible? 21
Slide 4:Learn to write rational numbers in equivalent forms. rational number
relatively prime Vocabulary
Slide 5:Decimals that terminate or repeat are rational numbers. A rational number is any number that can be written as a fraction, d?0.
Slide 6:The goal of simplifying fractions is to make the numerator and the denominator relatively prime.
Relatively prime numbers have no common factors other than 1.
Slide 7:Simplify. GCF = ? 5
Slide 8:Simplify. GCF = ? 16
Slide 9:Simplify. GCF = ? 1 These two numbers are relatively prime!!!
Slide 10:Simplify. GCF = ? 6
Slide 11:Simplify. GCF = ? 17
Slide 13:–0.8 Write the decimal as a fraction in simplest form. Tenths GCF = ? 2
Slide 14:5.37 Write the decimal as a fraction in simplest form. Hundredths GCF = ? 1 5 and 37 are relatively prime!!
Slide 15:0.622 Thousandeths GCF = ? 2 Write the decimal as a fraction in simplest form.
Slide 16:8.75 Hundredths GCF = ? 25 Write the decimal as a fraction in simplest form.
Slide 17:11 9 Write the fraction as a decimal. 1.222222…, a repeating decimal = 1.2
Slide 18:7 20 Write the fraction as a decimal. 0.35, a terminating decimal = 0.35
Slide 19:15 11 Write the fraction as a decimal. 1.363636…, a repeating decimal = 1.36
Slide 20:Lesson Quiz: Part 1 Simplify. 1. 2. Write each decimal as a fraction in simplest form. 3. 0.27 4. –0.625 5. Write as a decimal 18 42 15 21 13 6 2.16
Slide 21:Tommy had 13 hits in 40 at bats for his baseball team. What is his batting average? (Batting average is the number of hits divided by the number of at bats, expressed as a decimal.) Lesson Quiz: Part 2 6. 0.325
Homework :Homework Pg 115;
1 – 49 odd
58 – 63 all