GRADE 7 MATHEMATICS (7.2) Number, operation, and quantitative reasoning. The student adds, subtracts, multiplies, or divides to solve problems and justify solutions. 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.
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DATE___________
SCORE ___/5
7.2D Mini-Assessment 1.
2.
3.
Karen bought 20 roses for $50.80, tax included. How much did each rose cost?
4.
Jody bought a package of 18 muffins for $6.84. How much did each muffin cost?
A
$2.44
A
$0.28
B
$2.54
B
$0.38
C
$2.74
C
$0.43
D
$3.54
D
Not Here
The Smith family traveled 715 miles in 13 hours. What was their rate in miles per hour? A
50 miles per hour
B
52 miles per hour
C
55 miles per hour
D
58 miles per hour
5.
Javier bought 15 pounds of peanuts for $28.80. He put 1 ounce of peanuts in each piece of peanut patty candy that he made. What was the cost of the peanuts in each piece of candy? A
$0.22
B
$0.12
C
$0.09
D
Not Here
The Greer Orchards harvest apples. They plant 80 trees on two acres. An acre has 4840 square yards. What is the density of the trees? A
1 tree for every 242 square yards
B
1 tree for every 121 square yards
C
1 tree for every 60.5 square yards
D
1 tree for every 30.25 square yards
TEKSING TOWARD TAKS
ďƒ“2006
Unit Rates
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