3rd Grade MCAS Math Practice Test Questions
TL;DR: Got a third grader prepping for MCAS Math in Massachusetts? These free practice questions match the Massachusetts Curriculum Framework and cover what the test leans on hardest at this level: multiplication, fractions, area, place value, and the constructed-response items where MCAS scoring is the toughest. Work through them with your child, talk about the reasoning, and you will spot the topics that still need a little more time before test day.
Key takeaways:
- MCAS grade 3 Math has about 36-42 questions across two sessions.
- Item types include multiple choice, short-answer, and one or two constructed-response items.
- No calculator at grade 3.
- Massachusetts standards align with Common Core for grade 3 math.
- Performance levels: Not Meeting, Partially Meeting, Meeting, and Exceeding Expectations.
A. Each shows the same fraction because they are the same size.
B. Each shows a different fraction because they are different shapes.
C. Each shows the same fraction because they both have 3 sections shaded.
D. Each shows a different fraction because they both have 3 shaded sections but a different number of total sections.
8- To what number is the arrow pointing?
A. 36
B. 38
C. 30
D. 42
9- Emily has 108 stickers and she wants to give them to nine of her closest friends. If she gives them all an equal number of stickers, how many stickers will each of Emily’s friends receive? ___________
10- The following models are the same size and each is divided into equal parts.
The models can be used to write two fractions.
Based on the models, which of the following statements is true?
A. \(\frac{2}{8}\) is bigger than \(\frac{4}{16}\).
B. \(\frac{2}{8}\) is smaller than \(\frac{4}{16}\).
C. \(\frac{2}{8}\) is equal to \(\frac{4}{16}\).
D. We cannot compare these two fractions only by using the models.
Best 3rd Grade MCAS Math Prep Resource for 2026
Answers:
1- A
\(8000 – 658 = 7342\)
2- D
\(14 × 40 = 560\)
3- D
24,589 is the sum of \(20,000; 4,000; 500; 80;\) and 9
4- C
\(A = 44 – (21 + 9)\)
\(A = 14\)
5- C
In 1 day 4 meals so \(4 × 7 = 28\) meals a week.
6- D
\(A = 72 ÷ 8\)
\(A= 9 \)
7- D
the model for the first fraction is divided into 6 equal parts. We shade 3_6 to show the same amount as 1_2. The model for the second fraction is divided into 8 equal parts. We shade 3_ 8 that it shows these two models are different fractions.
8- C
The arrow shows exactly the middle of two numbers 25 and 35, so the answer is 30.
9- 12
\(108 ÷ 9 = 12\)
10- C
the model for the first fraction is divided into 8 equal parts. We shade 2_ 8 to show the same amount as 1_ 4. The model for the second fraction is divided into 16 equal parts. We shade 4_ 16 to show the same amount as 1_ 4.
Looking for the best resource to help you succeed on the 3rd Grade MCAS Math test?
The Best Books to Ace the 3rd Grade MCAS Math Test
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For a workbook your child can use alongside these practice questions, Mastering Grade 3 Math covers every Massachusetts grade 3 topic with worked examples. For extra constructed-response and word-problem practice (a big MCAS focus), see Mastering Grade 3 Math Word Problems.
Frequently Asked Questions
How many questions are on the 3rd grade MCAS Math test?
The grade 3 MCAS Math has about 36-42 questions split across two sessions. Item types include multiple choice, short-answer (fill in the number), and one or two longer constructed-response items where your child shows their work and explains their thinking.
Is a calculator allowed on the 3rd grade MCAS?
No. Massachusetts doesn’t permit calculators on the grade 3 math test. Your child needs multiplication facts through \(10\times 10\) by heart and should handle multi-digit addition, subtraction, and basic division on paper.
How long does the MCAS Math take?
Each of the two sessions runs about 65-85 minutes. Most third-graders finish in 60-75 per session. The two sessions are usually given on consecutive school days, so total math testing is around 2-2.5 hours across two mornings.
What’s a passing score on the 3rd grade MCAS Math?
MCAS reports four levels: Not Meeting Expectations, Partially Meeting Expectations, Meeting Expectations, and Exceeding Expectations. Meeting Expectations is the on-grade-level target. Massachusetts doesn’t tie grade 3 promotion to MCAS scores – that’s a district decision.
Can my child retake the 3rd grade MCAS?
No. The grade 3 MCAS Math is given once per year, in the spring. The spring score is the official score. Districts may run other diagnostic assessments during the year, but those don’t replace MCAS.
What math topics are on the 3rd grade MCAS?
Multiplication and division within 100, fractions on a number line, equivalent fractions, area and perimeter of rectangles, place value to 1,000, multi-digit addition and subtraction, time to the minute, measurement (length, mass, liquid volume), and reading bar and picture graphs.
How long should we study for the MCAS Math?
For an on-grade-level child, 4-6 weeks at 15-20 minutes a day is enough. For a child who needs more support, 8-12 weeks at 25 minutes daily. Multiplication-fact fluency comes first – it’s the gateway to division, fractions, and area.
Where can we get more 3rd grade MCAS practice?
EffortlessMath has a free MCAS Math sample set, the Top 10 MCAS Math Practice Questions, and the Mastering Grade 3 Math workbook that covers every Massachusetts standard with worked examples and constructed-response practice.
Does the MCAS align with Common Core?
Yes. Massachusetts’s Curriculum Framework for Mathematics is Common Core-aligned for grade 3 with some state-specific clarifications. Multiplication, fractions, area, and place value match Common Core exactly, so CCSS-aligned prep works well.
How can I help my child prep at home?
Three steady habits help most: (1) 5 minutes of multiplication-fact drill daily, (2) one word problem at dinner where your child talks through their reasoning out loud, and (3) one short timed practice set on the weekend. Have your child show their work on the constructed-response items – MCAS scorers want to see the thinking.
Related EffortlessMath Lessons
If a topic on this page feels rusty, these short lessons go deeper:
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