Number Operations
Ratios & Proportions
Expressions & Equations
Geometry & Measurement
STAAR Mystery Questions
100

What is 36 ÷ 4?


What is 9?

100

Write the ratio of 3 red marbles to 5 total marbles.

What is 3 to 5 or 3:5?

100

Evaluate: 2x when x = 4

What is 8?

100

How many degrees in a right angle?

What is 90 degrees?

100

Which number is both a factor of 24 and a multiple of 3?

What is 6?

200

Multiply: 8 × 7

What is 56?

200

Solve the proportion: 4/5 = x/10

What is x = 8?

200

Simplify: 3x + 4x

What is 7x?

200

Find the perimeter of a rectangle with length 5 and width 3.

What is 16 units?

200

A number pattern increases by 7: 3, 10, 17, ___. What is the next number?

What is 24?

300

Solve: 3(2 + 5)

What is 21?

300

A recipe calls for 2 cups of sugar for every 3 cups of flour. How many cups of sugar are needed for 12 cups of flour?


 What is 8 cups?

300

Solve: x - 5 = 10

What is x = 15?

300

Find the area of a triangle with base 10 and height 4.

What is 20 square units?

300

Which expression represents the area of a square with side length x + 2?


What is (x + 2)²?

400

What is the least common multiple of 6 and 8?

What is 24?

400

Is the ratio 9:12 equivalent to 6:8?

What is yes?

400

Write an expression for “5 more than twice a number x”


What is 2x + 5?

400

Convert 5 feet to inches.

What is 60 inches?

400

If a spinner is divided into 8 equal parts and 2 are red, what is the probability of landing on red?

What is 1/4?

500

A student earns $72 for 6 hours of work. What is the unit rate?

What is $12 per hour?

500

A car travels 180 miles in 3 hours. What is the speed in miles per hour?

What is 60 mph?

500

Solve: 3(x - 2) = 12

What is x = 6?

500

Find the volume of a rectangular prism: 3 × 4 × 5

What is 60 cubic units?

500

Which has a greater value: 2³ or √25?

What is √25 (5)?