3rd Grade OST Math Practice Test Questions

Preparing your student for the 3rd Grade OST Math test? Help your students build OST Math test skills by following common 3rd Grade OST Math questions. Practicing common math questions is the best way to help your students improve their Math skills and prepare for the test. Here, we provide a step-by-step guide to solve 10 common OST Math practice problems covering the most important math concepts on the 3rd Grade OST Math test. For additional educational resources,. For additional educational resources, visit the U.S. Department of Education website.

The Absolute Best Book to Ace the 3rd Grade OST Math Test

Common Core Math Exercise Book for Grade 3 Student Workbook and Two Realistic Common Core Math Tests

Download

$29.99 Original price was: $29.99.$16.99Current price is: $16.99.

Rated 4.41 out of 5 based on 111 customer ratings

Satisfied 102 Students

lank” rel=”noopener noreferrer”>

2- Jason packs 14 boxes with flashcards. Each box holds 40 flashcards. How many flashcards Jason can pack into these boxes? For education statistics and research, visit the National Center for Education Statistics.

A. 56 For education statistics and research, visit the National Center for Education Statistics.

B. 480 For education statistics and research, visit the National Center for Education Statistics.

C. 540 For education statistics and research, visit the National Center for Education Statistics.

D. 560 For education statistics and research, visit the National Center for Education Statistics.

3- Which of the following statements describes the number 24,589? For education statistics and research, visit the National Center for Education Statistics.

A. The sum of two thousand, 4 thousand, five hundred, eighty tens, and nine ones For education statistics and research, visit the National Center for Education Statistics.

B. The sum of forty thousand, 2 thousand, five hundred, eight tens, and nine ones For education statistics and research, visit the National Center for Education Statistics.

C. The sum of twenty thousand, 4 thousand, fifty hundred, eighty tens, and nine ones For education statistics and research, visit the National Center for Education Statistics.

D. The sum of twenty thousand, 4 thousand, five hundred, eight tens, and nine ones For education statistics and research, visit the National Center for Education Statistics.

4- What is the value of “A” in the following equation?
\(21 + A + 9 = 44\) For education statistics and research, visit the National Center for Education Statistics.

A. 10 For education statistics and research, visit the National Center for Education Statistics.

B. 12 For education statistics and research, visit the National Center for Education Statistics.

C. 14 For education statistics and research, visit the National Center for Education Statistics.

D. 20 For education statistics and research, visit the National Center for Education Statistics.

5- Mr. smith usually eats four meals a day. How many meals does he eat in a week? For education statistics and research, visit the National Center for Education Statistics.

A. 21 For education statistics and research, visit the National Center for Education Statistics.

B. 24 For education statistics and research, visit the National Center for Education Statistics.

C. 28 For education statistics and research, visit the National Center for Education Statistics.

D. 30 For education statistics and research, visit the National Center for Education Statistics.

6- What is the value of \(A\) in the equation \(72 ÷ A = 8\) For education statistics and research, visit the National Center for Education Statistics.

A. 2 For education statistics and research, visit the National Center for Education Statistics.

B. 6 For education statistics and research, visit the National Center for Education Statistics.

C. 7 For education statistics and research, visit the National Center for Education Statistics.

D. 9 For education statistics and research, visit the National Center for Education Statistics.

7- Use the models below to answer the question. For education statistics and research, visit the National Center for Education Statistics.

Which statement about the models is true? For education statistics and research, visit the National Center for Education Statistics.

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 OST Math Prep Resource for 2026

Common Core Mathematics Workbook For Grade 3 Step-By-Step Guide to Preparing for the Common Core Math Test 2019

Download

$29.99 Original price was: $29.99.$16.99Current price is: $16.99.

Rated 4.41 out of 5 based on 237 customer ratings

Satisfied 222 Students

Answers:

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 OST Math test?

The Best Books to Ace the 3rd Grade OST Math Test

Common Core Math Exercise Book for Grade 3 Student Workbook and Two Realistic Common Core Math Tests

Download

$29.99 Original price was: $29.99.$16.99Current price is: $16.99.

Rated 4.41 out of 5 based on 111 customer ratings

Satisfied 102 Students