1. Do Now 3/2/11 Take out HW from last night. –Text p. 222, #1-4 all, 14-17 all, 36-42 evens, 50-56 evens Copy HW in your planner. –Text p. 222, #28-35 all, #46-48, 58 & 60 –Quiz Friday section 5.1 In your journal, explain the process in how to write a decimal as a fraction or mixed number. Then convert the following. 0.65 -2.0250.42

2. Homework Text p. 222, #1-4 all, 14-17 all, 36-42 evens, 50-56 evens 1) terminating 2) repeating 3) terminating 4) repeating 14)15)16) 17)36)38)40)42) 50)52)54)56)

3. Objective SWBAT write fractions as decimals.

4. Section 5.1, “Rational Numbers” A RATIONAL NUMBER is a number that can be written as a quotient of two integers (a fraction). Numbers that cannot be written as a fraction are called IRRATIONAL. RATIONAL NUMBERS IRRATIONAL NUMBERS

5. “Rational Numbers” Rational Numbers Integers Whole Numbers 0,1,2,3,4,5… 0,1,2,3,4,5… Integers Integers -3,-2,-1, 0,1,2,3… Rational Numbers Rational Numbers numbers that can numbers that can represented as a ratio or fraction Whole Numbers

6. D F raction ecimal

7. Decimals = Fractions “Part or a portion of the WHOLE” 4 tenths 0.4 410

8. Practice When writing a decimal as a fraction, say and write the fraction. Then simplify the fraction by dividing common factors. 0.8 0.8 -0.375 -0.375 2.64 2.64

9. F D raction ecimal

10. Writing Fractions as Decimals Rewrite the fraction as a decimal. This means 7 divided by 8. A fraction is the quotient of two integers Remember 78 0 64 6 87 Finished.00 56 4 0 5 40 F D

11. Writing Fractions as Percents Rewrite the fraction as a decimal. This means 5 divided by 12. A fraction is the quotient of two integers of two integers Remember 512 0 48 2 41 Repeating decimal.00 12 8 0 6 72 8 F D -

12. Writing Mixed Numbers as Decimals Rewrite the mixed number as a sum. Write the fraction as a decimal. 1.125 “1 ÷ 8” 1 8 1 + 0.125 + 1 F D 18 0 8 2 12 Finished.00 16 4 0 5 40

13. = Writing Fractions as Decimals Writing Fractions as Decimals = When writing a fraction as a decimal, think of the fraction as a division expression. Then divide the numerator by the denominator. = -0.8 = 1.1875 = = 0.2222222… = 0.2 F D

14. 00.51 Plot the numbers on a number line. Then order them from least to greatest. 1.5 0.40.2 0.670.6251.5 In order them from least to greatest. Using a Number Line F D

15. Homework –Text p. 222, #28-35 all, #46-48, 58 & 60