Colorado CMAS · Math · Grade 3
Build Grade 3 Math readiness with five focused 10-question practice sets covering numbers, operations, multiplication, fractions, measurement, data, and geometry.
This Colorado CMAS Grade 3 Math Practice Test page provides five short practice sets with 10 original multiple-choice questions each. The sets offer supplemental practice across place value, operations, multiplication, division, fractions, measurement, data, area, and geometry.
Complete one 10-question set at a time. Identify the operation or model, 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.
5. Test
A 10-question Colorado CMAS Grade 3 Math practice set on shapes, area, and mathematical reasoning, 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 6.
A hexagon is a polygon with six sides.
Please select an answer first.
Correct answer: B
The correct answer is Square.
A square has four equal sides and four right angles.
Please select an answer first.
Correct answer: C
The correct answer is 10 square units.
Area is length times width: 5 × 2 = 10 square units.
Please select an answer first.
Correct answer: D
The correct answer is Circle.
A circle has a curved edge and no vertices.
Please select an answer first.
Correct answer: A
The correct answer is 4 feet.
Divide area by length: 24 ÷ 6 = 4 feet.
Please select an answer first.
Correct answer: B
The correct answer is Right angle.
The corners of a square are right angles.
Please select an answer first.
Correct answer: C
The correct answer is 12.
Three rows of four tiles give 3 × 4 = 12 tiles.
Please select an answer first.
Correct answer: D
The correct answer is It has two pairs of equal opposite sides and four right angles..
A rectangle has four right angles and equal opposite sides.
Please select an answer first.
Correct answer: A
The correct answer is Seven groups of four counters..
Seven equal groups of four represent 7 × 4 = 28.
Please select an answer first.
Correct answer: B
The correct answer is Use 8 × 6 = 48..
Multiplication can check division because 8 groups of 6 equal 48.
Build foundational reading, math, science, and social studies skills for Grades 1–5.
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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 place value, operations, multiplication, division, fractions, measurement, data, area, geometry, and mathematical reasoning.
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.
