3rd Grade NDSA Math Worksheets: FREE & Printable

The North Dakota State Assessment (NDSA) measures the progress of students in grades 3-8.

Our 3rd-grade NDSA math worksheets are designed for 3rd-grade students who want to get the best results in the math section of the 3rd-grade NDSA test.

The practice questions on these 3rd-grade NDSA math worksheets are a great resource for 3rd-grade students who want to improve their math.

The 3rd-grade NDSA math worksheets reinforce the math base of 3rd graders by providing comprehensive and free math exercises.

IMPORTANT: COPYRIGHT TERMS: These worksheets are for personal use. Worksheets may not be uploaded to the internet, including classroom/personal websites or network drives. You can download the worksheets and print as many as you need. You can distribute the printed copies to your students, teachers, tutors, and friends. 

You Do NOT have permission to send these worksheets to anyone in any way (via email, text messages, or other ways). They MUST download the worksheets themselves. You can send the address of this page to your students, tutors, friends, etc.

Related Topics

• Grade 4 NDSA Math Worksheets
• Grade 5 NDSA Math Worksheets
• Grade 6 NDSA Math Worksheets
• Grade 7 NDSA Math Worksheets

The Practice You Need to Ace the NDSA Math Test

3rd Grade NDSA Mathematics Concepts

Place Values and Number Sense

• Place Values
• Write Numbers in Words
• Rounding Numbers
• Odd or Even
• Ordinal Numbers

Adding and Subtracting

• Adding Two-Digit Numbers
• Subtracting Two-Digit Numbers
• Adding Three-Digit Numbers
• Adding Hundreds
• Adding 4, Digit Numbers
• Subtracting 4, Digit Numbers

Multiplication and Division

• Multiplication by 0, 1, 2, and 3
• Multiplication by 4, 5, 6 and 7
• Multiplication by 8 to 12
• Division by 0 to 6
• Division by 7 to 12
• Dividing by Tens
• Divide and Multiply 3, Digit Numbers

Mixed Operations

• Rounding and Estimating
• Estimate Sums
• Estimate Differences
• Estimate Products
• Missing Numbers

Money

• Add Money Amounts
• Subtract Money Amounts
• Money: Word Problems

Measurement

• Convert Measurement Units
• Metric Units
• Distance Measurement
• Weight Measurement

Time

• Read Clocks
• Digital Clock
• Measurement, Time
• Calendars

Geometric

• Identifying Angles: Acute, Right, Obtuse, and Straight Angles
• Classify Triangles
• Quadrilaterals and Rectangles
• Perimeter: Find the Missing Side Lengths
• Perimeter and Area of Squares
• Perimeter and Area of rectangles
• Find the Area or Missing Side Length of a Rectangle
• Area and Perimeter

Fractions

• Fractions of a Number
• Order Fractions
• Simplifying Fractions
• Improper Fractions
• Comparing Fractions

The Absolute Best Workbook to Ace the 3rd Grade NDSA Math Test

3rd Grade NDSA Math Exercises

Numbers, Comparing, and Patterns

Adding and Subtracting

Mixed Operations

Data and Graphs

Money

Measurements

Time

Geometry

Multiplication and Division

Fractions

Looking for the best resource to help you succeed on the NDSA Math test?

The Best Books to Ace the NDSA Math Test

Recommended EffortlessMath Books

For a complete at-home or classroom resource, the 3rd Grade NDSA Math Workbook (resource currently unavailable) covers every North Dakota standard with hundreds of practice problems and explanations. Closer to test day, the 3rd Grade NDSA Math Test Prep Bundle (resource currently unavailable) adds full-length timed practice tests with detailed answer explanations.

NDSA Grade 6 Math for Beginners 2027 The Ultimate Step by Step Guide to Preparing for the NDSA Math Test

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Frequently Asked Questions

How do you solve 3rd grade math problems?

Read the problem twice, find what it is asking, and pick the operation that fits. Drawing a picture or array helps a lot in 3rd grade. For example: 24 crayons are shared equally among 4 friends; how many does each get? Draw 4 groups and share, or think 4 × ? = 24, so each friend gets 6. Then check whether the answer makes sense.

Can third graders do multiplication?

Yes. Multiplication is one of the biggest topics in 3rd grade. North Dakota’s grade 3 standards, like those in most states, expect students to multiply and divide within 100 and to know all products of two one-digit numbers from memory by the end of the year. Children start with arrays and equal groups, such as 3 rows of 5 = 15, before moving to quick fact recall.

Where can I find 3rd grade math worksheets in PDF with answers?

Free printable 3rd grade math worksheets for the NDSA come as PDFs with answer keys, sorted by topic: place value, multiplication, fractions, measurement, geometry and data. Print just the skill your child is working on in class. The answer key lets you check work quickly and spot patterns, like mixing up 6 × 7 and 6 × 8, while the lesson is fresh.

What is on 3rd grade math data analysis worksheets?

Third grade data worksheets ask students to read and draw scaled picture graphs and bar graphs, then answer questions like “how many more?” and “how many fewer?” For example, if each picture stands for 2 votes and pizza shows 7 pictures, pizza got 14 votes. Students also make line plots from measurements to the nearest half or quarter inch.

Related EffortlessMath Lessons

If a topic on this page feels rusty, these short lessons go deeper:

• 3rd Grade Math Worksheets (all topics)
• How to multiply and divide
• Add and subtract fractions
• How to find area of a rectangle
• Place value basics