GRADE 7 MATHEMATICS(7.2) Number, operation, and quantitative reasoning. The student adds, subtracts, multiplies, or divides to solve problems and justifysolutions. The student is expected to: (D) use division to find unit rates and ratios in proportional relationships such as speed, density, price,recipes, and student-teacher ratio.

TEKSING TOWARD TAKS 2006 Ratios Page 1

NAME___________________ DATE___________ SCORE ___/5

7.2D Mini-Assessment

1. The ratio of the length to the width in a rectangle is 3:4.If the width is 36 centimeters, how long is the rectangle?

A 48 centimeters

B 27 centimeters

C 24 centimeters

D 30 centimeters

2. The Smith family traveled 456 miles in 8 hours. Howfar will they travel in 12 hours?

A 648 miles

B 468 miles

C 476 miles

D 684 miles

3. Mrs. Long’s class of 30 students has 16 boys. What isthe ratio of boys to girls in her class?

A 8:15

B 8:7

C 7:8

D 7:15

4. The student-mathemtaics teacher ratio at Ellis JuniorHigh is 90 to 1. If there are 630 seventh grade studentsat Ellis Junior High, how many seventh grademathematics teachers are there ?

A 6

B 9

C 7

D 8

5. A bag contains 5 red, 7 blue, 6 yellow and 2 greengumballs. What is the ratio of green to yellow gumballsin the bag?

A 2:3

B 3:2

C 1:6

D 1:3