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Adding Fractions
Subtracting Fractions
Data (Landmarks & Sample Size)
100
Write a pair of fractions with common denominators for the following fractions: 5/3 and 9/5
25/15 and 27/15
100
Subtract the fractions and put your answer in simplest form. 5/6 - 3/8 = ?
11/24
100
Median is the: a. smallest value b. largest value c. most frequent value d. middle value
d. Median is the middle value.
200
Add the fractions. Write your answer in simplest form. 4/20 + 2/20 = ?
6/20 = 3/10
200
Subtract the fractions and put your answer in simplest form. 1 - 4/12 = ?
8/12 = 2/3
200
Mode is the: a. smallest value b. largest value c. most frequent value d. middle value
c. most frequent value
300
Add the fractions. Write your answer in simplest form. 2/3 + 4/6 = ?
24/18 = 1 and 6/24 = 1 and 3/12
300
Subtract the fractions and put your answer in simplest form. 7/8 - 1/4 = ?
5/8
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
Add the fractions. Write your answer in simplest form. 2/3 + 2/5 = ?
16/15 = 1 and 1/15
400
Subtract the fractions and put your answer in simplest form. 9/10 - 1/3 = ?
17/30
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
Add the fractions. Write your answer in simplest form. 2/10 + 2/4 = ?
28/40 = 7/10
500
Subtract the fractions and put your answer in simplest form. 4/5 - 1/3 = ?
7/15
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