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By D. Fisher. 1. a. What fraction is shaded? 1/51/5 b. Why is one fifth wrong?

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Presentation on theme: "By D. Fisher. 1. a. What fraction is shaded? 1/51/5 b. Why is one fifth wrong?"— Presentation transcript:

1 by D. Fisher

2 1. a. What fraction is shaded? 1/51/5 b. Why is one fifth wrong?

3 1/41/4 c. Why is one fourth right? / 8 = 1 / 4 1. a. What fraction is shaded?

4 2. a. Reduce the fraction 8 / 12 to lowest terms. 1 4 / 12 b. Why is one and four twelfths wrong?

5 4 / 6 c. Why is four sixths wrong? 2. a. Reduce the fraction 8/12 to lowest terms.

6 2 / 3 d. Why is two thirds correct? ÷ 4 12 ÷ 4 == a. Reduce the fraction 8/12 to lowest terms. 1/31/3 1/31/3 1/31/3

7 3. a. Multiply 2 / 3 by 4 / / 14 b. Why is twelve fourteenths wrong?

8 8 / 21 c. Why is eight twenty-firsts right? 3. a. Multiply 2 / 3 times 4 / 7.

9 8 / 21 c. Why is eight twenty-firsts right? 3. a. Multiply 2 / 3 times 4 / 7.

10 8 / 21 2 x 4 3 x 7 == x c. Why is eight twenty-firsts right? 3. a. Multiply 2 / 3 times 4 / 7.

11 4. a. Divide 2 / 7 by 3 / 5. 6 / 35 b. Why is six thirty- fifths wrong?

12 4. a. Divide 2 / 7 by 3 / / 21 c. Why is ten twenty- firsts right? 2 x 5 7 x 3 == ÷ 5 3 x 2 7 =

13 5. a. Change 4 2 / 5 to an improper fraction. 42 / 5 b. Why is forty-two fifths incorrect?

14 5. a. Make 4 2 / 5 an improper fraction. 13 / 5 c. Why is thirteen fifths wrong?

15 5. a. Rewrite 4 2 / 5 as an improper fraction. 22 / 5 d. Why is twenty- two fifths right? 4 x ==

16 6. a. Add 1 / 2 plus 2 / 5. 3/73/7 b. Why is three sevenths not right?

17 6. a. What is 1 / 2 plus 2 / 5 ? 9 / 10 c. Why is nine tenths correct? x 2 5 x 2 = 1 x 5 2 x 5 == 5 10 = 4 9

18 7. a. Multiply 1 1 / 2 by 2 3 / / 10 b. Why is two and three tenths incorrect?

19 7. a. Multiply 1 1 / 2 times 2 3 / / 10 c. Why is three and nine tenths correct? 3 x 13 2 x 5 == x 3 2 = x = 3

20 Dont have any


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