Colorado CMAS · Math · 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.
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.
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.
1. Test
A 10-question Colorado CMAS Math practice set on number and operations, with answers and explanations.
Read each math task carefully, choose one answer, and review the explanation after responding.
Please select an answer first.
Correct answer: A
The correct answer is 85.
Adding 48 and 37 gives 85.
Please select an answer first.
Correct answer: B
The correct answer is 46.
Subtracting 46 from 92 gives 46.
Please select an answer first.
Correct answer: C
The correct answer is 42.
Seven groups of six equal 42.
Please select an answer first.
Correct answer: D
The correct answer is 7.
Dividing 56 into 8 equal groups gives 7.
Please select an answer first.
Correct answer: A
The correct answer is 4/6.
Multiplying numerator and denominator by 2 gives 4/6.
Please select an answer first.
Correct answer: B
The correct answer is 0.75.
Seventy-five hundredths is greater than six tenths.
Please select an answer first.
Correct answer: C
The correct answer is 800.
The 8 is in the hundreds place.
Please select an answer first.
Correct answer: D
The correct answer is 36.
Four groups of nine give 36 pencils.
Please select an answer first.
Correct answer: A
The correct answer is 548.
548 is closer to 500 than to 600.
Please select an answer first.
Correct answer: B
The correct answer is 15.
Three fourths of 20 is 20 ÷ 4 × 3 = 15.
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Explore course and assessment preparation for Grades 9–12.
Use focused study intervals to work through your next practice set.
The page covers supplemental number operations, expressions, equations, geometry, measurement, data, probability, modeling, and problem-solving practice for Grades 3–8.
There are five practice sets with 10 questions each, for 50 questions in total. Each set can be completed separately.
No. These are original supplemental practice questions. Check the latest Colorado Department of Education information for official materials, standards, accommodations, and policies.
