Two-way tables: counts and percents
Grade 8 Math Worksheet
Circle the best answer, or write your answer on the line.
Read this first
Two-way table of club members
Likes hiking Does not like hiking Total Has a pet 12 18 30 No pet 21 24 45 Total 33 42 75 Zee's table shows club members. Of the club members who have a pet, what percent like hiking, to the nearest whole percent?
Two-way table of students
Milk Water Total Brings lunch 27 18 45 Buys lunch 10 25 35 Total 37 43 80 Ari's table shows students. Of the students who bring lunch, what percent drink milk, to the nearest whole percent?
Two-way table of visitors
Stayed Left early Total Flew a kite 28 7 35 Did not fly one 15 25 40 Total 43 32 75 Bo's table shows visitors. Of the visitors who flew a kite, what percent stayed for the picnic, to the nearest whole percent?
Two-way table of students
Entered the fair Did not enter Total Science club 14 6 20 Not in the club 21 36 57 Total 35 42 77 Jun's table shows students. Of the students who entered the science fair, what percent are in the science club, to the nearest whole percent?
Kira's table shows students. Of the students who play the piano, what percent sing in the choir, to the nearest whole percent?
Luz's table shows students. Of the students who like salad, what percent help in the school garden, to the nearest whole percent?
Milo found the row percents in a table of students. Is there a link between whether students checked the weather report and whether they brought an umbrella?
- Yes: students brought an umbrella because they checked the weather report.
- Yes: students who did not check it tend to bring an umbrella more often than students who checked the weather report.
- No: about the same share of each group of students tends to bring an umbrella.
- Yes: students who checked the weather report tend to bring an umbrella more often than students who did not check it.
Noah found the row percents in a table of students. Is there a link between whether students bike to school and whether they eat breakfast at school?
- Yes: students who bike to school tend to eat breakfast at school more often than students who do not bike to school.
- Yes: students who do not bike to school tend to eat breakfast at school more often than students who bike to school.
- No: about the same share of each group of students tends to eat breakfast at school.
- Yes: students eat breakfast at school because they bike to school.
Pia found the row percents in a table of club members. Is there a link between whether club members play the guitar and whether they like to sing?
- Yes: club members who do not play the guitar tend to like to sing more often than club members who play the guitar.
- No: about the same share of each group of club members tends to like to sing.
- Yes: club members like to sing because they play the guitar.
- Yes: club members who play the guitar tend to like to sing more often than club members who do not play the guitar.
Use this
Row percents. Of the students who are in Grade 7: 52% prefer morning recess. Of the students who are in Grade 8: 55% prefer morning recess.
Ren found the row percents in a table of students. Is there a link between whether students are in Grade 7 and whether they prefer morning recess?
- Yes: students prefer morning recess because they are in Grade 7.
- No: about the same share of each group of students tends to prefer morning recess.
- Yes: students who are in Grade 7 tend to prefer morning recess more often than students who are in Grade 8.
- Yes: students who are in Grade 8 tend to prefer morning recess more often than students who are in Grade 7.
