Math Unit 6 Review

Adding Fractions

100

Write a pair of fractions with common denominators for the following fractions: 5/3 and 9/5

25/15 and 27/15

200

Add the fractions. Write your answer in simplest form. 4/20 + 2/20 = ?

6/20 = 3/10

300

Add the fractions. Write your answer in simplest form. 2/3 + 4/6 = ?

24/18 = 1 and 6/24 = 1 and 3/12

400

Add the fractions. Write your answer in simplest form. 2/3 + 2/5 = ?

16/15 = 1 and 1/15

500

Add the fractions. Write your answer in simplest form. 2/10 + 2/4 = ?

28/40 = 7/10

Subtracting Fractions

100

Subtract the fractions and put your answer in simplest form. 5/6 - 3/8 = ?

11/24

200

Subtract the fractions and put your answer in simplest form. 1 - 4/12 = ?

8/12 = 2/3

300

Subtract the fractions and put your answer in simplest form. 7/8 - 1/4 = ?

5/8

400

Subtract the fractions and put your answer in simplest form. 9/10 - 1/3 = ?

17/30

500

Subtract the fractions and put your answer in simplest form. 4/5 - 1/3 = ?

7/15

Data (Landmarks & Sample Size)

100

Median is the: a. smallest value b. largest value c. most frequent value d. middle value

d. Median is the middle value.

200

Mode is the: a. smallest value b. largest value c. most frequent value d. middle value

c. most frequent value

300

Dillon asked nine boys in Ms. Barstow's class how many minutes a day they spend doing homework. Here are the results of his survey: 20 15 50 45 40 50 40 50 30 What was the median number of minutes spent doing homework?

40 minutes

400

Dillon asked nine boys in Ms. Barstow's class how many minutes a day they spend doing homework. Here are the results of his survey: 20 15 50 45 40 50 40 50 30 Dillon concluded: The typical fifth grader spends about 40 minutes a night doing homework. Do you agree with his conclusion? Explain.

No. You cannot conclude something about a "typical fifth grader" based on such a small survey of only 9 BOYS in one class at one school in one state.

500

Dillon asked nine boys in Ms. Barstow's class how many minutes a day they spend doing homework. Here are the results of his survey: 20 15 50 45 40 50 40 50 30 Describe two ways that Dillon could improve his survey.

He could: 1. Ask more students 2. Ask both boys and girls 3. Ask students from other schools in other areas