AK STAR Grades 6-8 Ratio & Proportion Practice

What the test measures

Ratio & Proportion skills

6.RP.1–6.RP.3
7.RP.1–7.RP.3

Standards basis

Alaska Mathematics Standards — Alaska

How the AK STAR reports it

AK STAR is Alaska’s state summative assessment, built around Alaska’s own mathematics standards rather than a national consortium framework. Its math blueprint is organized into grade-level content strands/instructional areas and an adaptive growth component aligned to MAP Growth instructional areas.

Blueprint & weighting

The blueprint gives target item counts and point ranges by grade and strand, rather than fixed percentage weights. Grades 3-5 and 6-9 each include summative item counts plus additional growth items; grade 9 has no summative Geometry strand, with Geometry reported only through growth items.

Official sources

Alaska Department of Education and Early Development
Alaska Department of Education and Early Development
Alaska Department of Education and Early Development

Practice by skill

Topics mapped to this domain

Try it now

8 free questions · 0/0 correct

Practice playmedium

A patient receives $2{,}500$ milliliters of IV fluid. How many liters is that? ( $1$ liter $= 1{,}000$ milliliters)

Use a conversion factor with liters in the numerator so milliliters cancel: $2{,}500 \text{ mL} \times \dfrac{1 \text{ L}}{1{,}000 \text{ mL}} = 2.5 \text{ L}$ .

Practice playmedium

A bubble solution uses soap concentrate and water in a ratio of $5$ to $40$ . How many cups of soap concentrate should be added to $6$ gallons of water to make the solution in this ratio? ( $4$ cups $=$ $1$ quart, $4$ quarts $=$ $1$ gallon.)

Six gallons of water is $6 \times 16 = 96$ cups. With a $5$ to $40$ ratio, $\dfrac{5}{40} = \dfrac{x}{96}$ , so $40x = 480$ and $x = 12$ cups of concentrate.

Practice playeasy

Write $5\%$ as a decimal.

Divide by 100: $5\% = 0.05$ .

Practice playeasy

A novel has $1{,}200$ pages. Maya has read $15\%$ of the pages. How many pages has Maya read?

Convert $15\%$ to a decimal and multiply: $0.15 \times 1{,}200 = 180$ pages.

Practice playeasy

A $\text{\char36}60$ shirt is on sale for $15\%$ off. What is the sale price?

Discount: $0.15 \times \text{\char36}60 = \text{\char36}9.0$ . Sale: $\text{\char36}60 - \text{\char36}9.0 = \text{\char36}51.0$ .

Practice playeasy

A customer buys a desk for $\text{\char36}250$ and pays $7\%$ sales tax on the purchase. How much is the sales tax, in dollars?

Tax $= 0.07 \times 250 = 17.50$ dollars.

Practice playmedium

Five identical printing presses can complete a job in $12$ hours. Working at the same rate, how many hours would it take $8$ of these presses to complete the same job?