by D. Fisher

1. a. What fraction is shaded?

1/5 b. Why is one fifth wrong?

1/4

c. Why is one fourth right?

1 2 3 4

5 6 7 8

2/8 = 1/4

1. a. What fraction is shaded?

2. a. Reduce the fraction 8/12 to lowest terms.

1 4/12

b. Why is one and four twelfths wrong?

4/6

c. Why is four sixths wrong?

2. a. Reduce the fraction 8/12 to lowest terms.

2/3

d. Why is two thirds correct?

8 12

8 ÷ 4 12 ÷ 4

= =2 3

2. a. Reduce the fraction 8/12 to lowest terms.

1/3

1/3

1/3

3. a. Multiply 2/3 by 4/7.

12/14

b. Why is twelve fourteenths wrong?

8/21

c. Why is eight twenty-firsts right?

3. a. Multiply 2/3 times 4/7.

8/21

c. Why is eight twenty-firsts right?

3. a. Multiply 2/3 times 4/7.

8/21

2 x 4 3 x 7

= =8 21

4 7

23

x

c. Why is eight twenty-firsts right?

3. a. Multiply 2/3 times 4/7.

4. a. Divide 2/7 by 3/5 .

6/35

b. Why is six thirty-fifths wrong?

4. a. Divide 2/7 by 3/5 .

10/21

c. Why is ten twenty-firsts right?

2 x 5 7 x 3

= =10 21

35

27

÷53

x27

=

5. a. Change 4 2/5 to an improper fraction.

42/5

b. Why is forty-two fifths incorrect?

5. a. Make 4 2/5 an improper fraction.

13/5

c. Why is thirteen fifths wrong?

5. a. Rewrite 4 2/5 as an improper fraction.

22/5

d. Why is twenty-two fifths right?

4 x 5 + 2 5

= =22 5

2 5

4

6. a. Add 1/2 plus 2/5 .

3/7

b. Why is three sevenths not right?

6. a. What is 1/2 plus 2/5 ?

9/10

c. Why is nine tenths correct?

12

25

+2 x 2 5 x 2

=

1 x 52 x 5

= = 5 10

= 4 10

9 10

7. a. Multiply 1 1/2 by 2 3/5 .

2 3/10

b. Why is two and three tenths incorrect?

7. a. Multiply 1 1/2 times 2 3/5 .

3 9/10

c. Why is three and nine tenths correct?

3 x 13 2 x 5

= =39 10

135

x32

=35

12

x1 2 9 10

= 3

Don’t have any