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Quizzes > High School Quizzes > English Language Arts

Master the STAAR Test Practice Quiz

Sharpen skills with sample tests and practice exams

Difficulty: Moderate
Grade: Grade 8
Study OutcomesCheat Sheet
Colorful paper art promoting a 5th-grade math trivia quiz for Staar Success Challenge preparation.

Which of the following is the simplest form of the fraction 8/12?
2/3
4/6
1/2
3/4
When both the numerator and denominator of 8/12 are divided by 4, the fraction simplifies to 2/3. The other options remain unsimplified or are incorrect forms.
What is 25% of 80?
20
25
15
30
Calculating 25% of 80 involves multiplying 0.25 by 80, which equals 20. The alternative answers result from common arithmetic mistakes.
What is the area of a rectangle with a length of 5 units and a width of 3 units?
15
8
10
18
To find the area of a rectangle, multiply the length by the width: 5 × 3 = 15. The other options do not correctly apply the area formula.
Solve for x: x + 7 = 12.
5
7
12
19
Subtracting 7 from both sides of the equation gives x = 12 - 7, which simplifies to 5. The other options do not satisfy the equation.
Which of the following illustrates the commutative property?
3 + 4 = 4 + 3
3 - 4 = 4 - 3
4 ÷ 2 = 2 ÷ 4
a × (b + c) = a × b + a × c
The commutative property states that the order in which two numbers are added or multiplied does not change the result. Only the equation 3 + 4 = 4 + 3 correctly demonstrates this property.
What is 3/4 of 16?
12
10
8
14
Multiplying 16 by 3/4 gives (16 × 3)/4, which equals 12. The other options arise from calculation errors.
If 5 times a number is 35, what is the number?
7
5
8
6
Dividing 35 by 5 yields 7, which is the required number. The other options do not satisfy the given multiplication.
Simplify the expression: 2x + 3x - x.
4x
5x
6x
2x
By combining like terms, 2x + 3x equals 5x, and subtracting x results in 4x. The other answers show common mistakes in combining terms.
Which value is equivalent to the decimal 0.75?
3/4
1/4
7/10
1/2
The decimal 0.75 can be expressed as 75/100, which simplifies to 3/4. The other fractions do not equal 0.75 when simplified.
Solve for y in the equation: 4y - 8 = 0.
2
4
-2
8
Adding 8 to both sides of the equation yields 4y = 8, and dividing by 4 gives y = 2. The other options do not correctly solve the equation.
What is the perimeter of a square with side length 6 units?
24 units
12 units
18 units
36 units
A square's perimeter is calculated by multiplying its side length by 4. Thus, 4 × 6 gives 24 units, making the other options incorrect.
A ratio is given as 3:5. If there are 15 items represented by the part '5', how many items correspond to '3'?
9
6
10
8
Setting up the proportion (3/5) and multiplying by 15 gives (3/5) × 15 = 9. The other options are results of incorrect proportional reasoning.
What is the median of the dataset: 3, 7, 9, 10, 15?
9
7
8
10
When the numbers are arranged in order, the median is the middle value. In this set, 9 is the middle number, making the other options incorrect.
Evaluate the expression for x = 2: 3x² - 4x + 5.
9
8
7
10
Substitute x = 2 into the expression: 3(2²) - 4(2) + 5 calculates as 12 - 8 + 5, which equals 9. The other values come from computational errors.
Which of the following numbers is a prime number?
11
14
15
21
A prime number has exactly two distinct positive divisors: 1 and itself. Among the options provided, 11 is the only prime number.
Solve the equation: 2(3x - 4) = 5x + 1.
9
7
-9
8
Distribute 2 through (3x - 4) to obtain 6x - 8, then set 6x - 8 equal to 5x + 1. Solving leads to x = 9, making the other options results of typical algebra mistakes.
What is the slope of the line passing through the points (2, 3) and (6, 11)?
2
4
8
6
The slope is calculated as (11 - 3) divided by (6 - 2), which simplifies to 8/4 = 2. The other values arise from incorrect subtraction or division.
If the area of a circle is 49π square units, what is its radius?
7
14
49
3.5
Using the formula for the area of a circle (πr² = 49π), dividing both sides by π gives r² = 49, so the radius r is the square root of 49, which is 7. The other options result from misapplying the formula.
A rectangular prism has a volume of 120 cubic units with a length of 5 units and a width of 4 units. What is its height?
6
5
4
8
The volume of a rectangular prism is found by multiplying length, width, and height. Dividing the volume 120 by the product of length and width (5 × 4 = 20) gives a height of 6. The other answers do not satisfy the volume equation.
If a function f(x) = 2x + 3, what is the value of f(4)?
11
7
8
10
By substituting 4 into f(x) = 2x + 3, we compute f(4) as 2 × 4 + 3, which equals 11. The other options are incorrect due to miscalculation.
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Study Outcomes

  1. Analyze exam-style math problems to identify underlying concepts.
  2. Apply problem-solving strategies to solve multi-step questions.
  3. Evaluate personal performance to recognize strengths and areas for improvement.
  4. Interpret instructions accurately to complete timed practice quizzes.
  5. Demonstrate understanding of key mathematical principles through effective reasoning.

STAAR Practice Test & Cheat Sheet

  1. Master the order of operations - Never get stuck by mixed-up expressions again - PEMDAS to the rescue! Start with Parentheses, then Exponents, move on to Multiplication and Division (left to right), and finish with Addition and Subtraction (left to right). With just a little practice, you'll breeze through 5 + 6 × (3 - 1) and quickly get 17. splashlearn
  2. Add and subtract fractions with unlike denominators - Finding a common denominator is like getting everyone on the same page - once you do, the rest is easy math! Convert 2/3 and 5/4 to 8/12 and 15/12, add them up, and boom - you get 23/12. This skill unlocks a world of fraction fun in recipes, measurements, and beyond. mathchimp
  3. Multiply and divide fractions - Multiplying fractions is as simple as "straight across" your numerators and denominators, then simplify (2/3 × 3/5 = 6/15 = 2/5). Division is just multiplying by the reciprocal - flip the second fraction and go! Practice 2/3 ÷ 3/5 as 2/3 × 5/3 to get 10/9 and watch your confidence soar. splashlearn
  4. Understand decimal place value - Decimals can feel tricky, but once you know that 0.456 means 4 tenths, 5 hundredths, and 6 thousandths, you're golden. This knowledge powers everything from money math to precise measurements. Compare, round, and order decimals like a pro by mastering each digit's spot value. teachstarter
  5. Convert measurement units - Switching between centimeters, meters, and beyond is a real-world hero move - 5 cm becomes 0.05 m with a quick decimal shift! Whether you're baking, building, or just measuring, unit fluency makes life easier. Practice within the same system and you'll be the go-to measurement guru. teachstarter
  6. Calculate the volume of rectangular prisms - Think of volume as the space your shoebox takes up: length × width × height. A 4 × 2 × 3 prism holds 24 cubic units of awesomeness! Use this formula to tackle everything from aquarium sizes to gift-box capacities. splashlearn
  7. Graph points on the coordinate plane - Plotting (x, y) pairs turns numbers into a picture - perfect for tracking trips, charting data, or playing Battleship! Learn to read axes, count squares, and connect the dots to solve puzzles and real-world mysteries. Mapping math has never been this fun. mathchimp
  8. Classify two-dimensional figures - Triangles, quadrilaterals, and polygons each have their own side-and-angle signature. Spot those signatures, and you can identify - and even draw - any flat shape. This geometric detective work boosts your problem-solving superpowers. mathchimp
  9. Interpret data in graphs and tables - Bar graphs, line plots, and frequency tables turn raw numbers into clear stories. Learn to read scales, compare categories, and draw conclusions - whether you're tracking sports stats or class survey results. Data literacy is your key to smart decisions. piqosity
  10. Multiply and divide decimals to hundredths - Decimal drills sharpen your skills: 0.4 × 0.3 = 0.12, then 0.12 ÷ 0.4 = 0.3. Practice these operations to master money math, measurements, and science problems. Soon, decimal work will feel like second nature. teachstarter
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