Colorado CMAS · Math · Grades 3–8

Colorado CMAS Math Practice Test: Grades 3–8

Build CMAS Math readiness with five focused 10-question practice sets covering number operations, expressions, equations, geometry, measurement, data, probability, and problem solving.

CMAS Math practice sets

This Colorado CMAS Math Practice Test page provides five short practice sets with 10 original multiple-choice questions each. The sets offer supplemental practice for Grades 3–8 across number operations, expressions, equations, geometry, measurement, data, probability, modeling, and problem solving.

Math skills covered

  • Addition, subtraction, multiplication, division, equivalent fractions, decimals, place value, groups, rounding, and fractions of numbers
  • Patterns, equations, expressions, proportional relationships, decreasing patterns, equal groups, rules, number properties, sequences, and substitution
  • Area, perimeter, angles, metric conversions, volume, polygons, circles, parallel lines, scale, and measurement units
  • Mean, median, mode, probability, data totals, bar graphs, probability fractions, range, line graphs, and possible outcomes
  • Money, measurement, elapsed time, distance, repeated groups, sharing, and multi-step word problems

How to use this page

Complete one 10-question set at a time. Identify the quantities and operation, solve carefully, and review every explanation before moving to the next set.

This is supplemental State Test Practice, State Assessment Practice, and Standardized Test Practice. It does not replace current Colorado Department of Education guidance, official CMAS blueprints, accommodations, or testing policies.

For the Colorado assessment hub, visit Colorado State Assessments.

2. Test

Colorado CMAS Math Practice Questions

A 10-question Colorado CMAS Math practice set on expressions and equations, with answers and explanations.

Read each math task carefully, choose one answer, and review the explanation after responding.

10 Questions
0/10 Questions0 %
Correct 0
Incorrect 0
Unanswered 10
1. QuestionMultiple choice

A pattern is 6, 12, 18, 24. What number comes next?

Please select an answer first.

Correct answer: A

The correct answer is 30.

  1. Understand the quantities: Identify the numbers, units, operation, or relationship in the task.
  2. Solve using evidence: The pattern increases by 6 each time.
  3. Check the result: Make sure the answer is reasonable and matches the question.

The pattern increases by 6 each time.

2. QuestionMultiple choice

If x + 9 = 17, what is x?

Please select an answer first.

Correct answer: B

The correct answer is 8.

  1. Understand the quantities: Identify the numbers, units, operation, or relationship in the task.
  2. Solve using evidence: Subtracting 9 from 17 gives x = 8.
  3. Check the result: Make sure the answer is reasonable and matches the question.

Subtracting 9 from 17 gives x = 8.

3. QuestionMultiple choice

Which expression means 5 less than n?

Please select an answer first.

Correct answer: C

The correct answer is n − 5.

  1. Understand the quantities: Identify the numbers, units, operation, or relationship in the task.
  2. Solve using evidence: Subtracting 5 from n represents 5 less than n.
  3. Check the result: Make sure the answer is reasonable and matches the question.

Subtracting 5 from n represents 5 less than n.

4. QuestionMultiple choice

A table shows 2 tickets cost 10 dollars and 4 tickets cost 20 dollars. What is the cost of 6 tickets at the same rate?

Please select an answer first.

Correct answer: D

The correct answer is 30 dollars.

  1. Understand the quantities: Identify the numbers, units, operation, or relationship in the task.
  2. Solve using evidence: Each ticket costs 5 dollars, so 6 tickets cost 30 dollars.
  3. Check the result: Make sure the answer is reasonable and matches the question.

Each ticket costs 5 dollars, so 6 tickets cost 30 dollars.

5. QuestionMultiple choice

A pattern starts at 50 and decreases by 7. What is the third number?

Please select an answer first.

Correct answer: A

The correct answer is 36.

  1. Understand the quantities: Identify the numbers, units, operation, or relationship in the task.
  2. Solve using evidence: The pattern is 50, 43, 36, so the third number is 36.
  3. Check the result: Make sure the answer is reasonable and matches the question.

The pattern is 50, 43, 36, so the third number is 36.

6. QuestionMultiple choice

If 5 equal groups contain 35 objects, how many objects are in each group?

Please select an answer first.

Correct answer: B

The correct answer is 7.

  1. Understand the quantities: Identify the numbers, units, operation, or relationship in the task.
  2. Solve using evidence: Thirty-five divided by five equals seven.
  3. Check the result: Make sure the answer is reasonable and matches the question.

Thirty-five divided by five equals seven.

7. QuestionMultiple choice

Which rule matches y = 2x?

Please select an answer first.

Correct answer: C

The correct answer is Double x to find y..

  1. Understand the quantities: Identify the numbers, units, operation, or relationship in the task.
  2. Solve using evidence: The coefficient 2 means y is twice x.
  3. Check the result: Make sure the answer is reasonable and matches the question.

The coefficient 2 means y is twice x.

8. QuestionMultiple choice

Which number is both even and greater than 20 but less than 30?

Please select an answer first.

Correct answer: D

The correct answer is 24.

  1. Understand the quantities: Identify the numbers, units, operation, or relationship in the task.
  2. Solve using evidence: 24 is even and lies between 20 and 30.
  3. Check the result: Make sure the answer is reasonable and matches the question.

24 is even and lies between 20 and 30.

9. QuestionMultiple choice

What is the next number in 2, 5, 9, 14?

Please select an answer first.

Correct answer: A

The correct answer is 20.

  1. Understand the quantities: Identify the numbers, units, operation, or relationship in the task.
  2. Solve using evidence: The differences are 3, 4, 5, so the next difference is 6.
  3. Check the result: Make sure the answer is reasonable and matches the question.

The differences are 3, 4, 5, so the next difference is 6.

10. QuestionMultiple choice

If a = 8, what is 3a?

Please select an answer first.

Correct answer: B

The correct answer is 24.

  1. Understand the quantities: Identify the numbers, units, operation, or relationship in the task.
  2. Solve using evidence: Substituting 8 gives 3 × 8 = 24.
  3. Check the result: Make sure the answer is reasonable and matches the question.

Substituting 8 gives 3 × 8 = 24.

Choose your next study path

Frequently asked questions about Colorado CMAS Math Practice Test

Which Math skills are covered?

The page covers supplemental number operations, expressions, equations, geometry, measurement, data, probability, modeling, and problem-solving practice for Grades 3–8.

How many questions are included?

There are five practice sets with 10 questions each, for 50 questions in total. Each set can be completed separately.

Are these official CMAS Math questions?

No. These are original supplemental practice questions. Check the latest Colorado Department of Education information for official materials, standards, accommodations, and policies.