Maryland MCAP Grade 4 Math Free Worksheets: 72 Free Printable Worksheets with Worked Answers

In fourth grade, the questions get longer. A third-grade math problem usually has one step: do this, get an answer. A fourth-grade problem often hides a second step inside it — find the total first, then split it; multiply here, then compare. Learning to see that hidden structure, and to work through it without losing the thread, is the quiet heart of the year. The arithmetic inside each step is rarely the obstacle; the obstacle is holding the plan together from the first step to the last.

It shows up in every strand. Students multiply two- and three-digit numbers, divide with remainders, and find factors and multiples. They build equivalent fractions, compare them, add and subtract fractions with like denominators, work with mixed numbers, and multiply a fraction by a whole number. They read decimals to the hundredths, measure and classify angles, convert measurement units, build line plots, and find both area and perimeter. It is a foundational year — everything in fifth grade assumes a student carries this forward.

The good news is that this kind of multi-step thinking is built, not born, and it is built by getting each single step reliable first. A child who has to stop and think hard about 6 times 8 has no attention left for the structure of the problem. A child for whom that fact is automatic can spend all their focus on the plan. That is the case for steady, single-skill practice: it frees up the room a longer problem needs.

Whether your fourth grader is in Baltimore, Frederick, Rockville, or Gaithersburg, the work is the same and so is the approach: one clear skill at a time, with enough practice to make it hold.

What’s on this page

You will find 43 single-skill PDFs here, each aligned to the Maryland Mathematics Standards at Grade 4. Every file is built around exactly one skill, so attention does not get split. A student practicing long division is not also being quizzed on angles, and a student comparing fractions is not pulled into decimal place value. The narrow scope is what makes the practice land.

Each PDF opens with a one-page Quick Review — the skill in plain language, with one fully worked example. Then 20 practice problems climb from easy to genuinely challenging, followed by 4 word problems that put the skill in a real-world setting. The last page is a student-facing answer key: short, friendly explanations a nine- or ten-year-old can read alone and learn from, not just an answer column.

Place Value & Multi-Digit Numbers

• Understanding Place Value Relationships — [4.NBT.A.1] each place is ten times the one to its right
• Reading and Writing Multi-Digit Numbers — [4.NBT.A.2] standard form, word form, and expanded form
• Comparing and Ordering Multi-Digit Numbers — [4.NBT.A.2] use place value and the symbols >, <, and =
• Rounding Multi-Digit Numbers — [4.NBT.A.3] round to any place from tens to hundred-thousands

Multi-Digit Arithmetic

• Adding Multi-Digit Whole Numbers — [4.NBT.B.4] the standard addition algorithm, with regrouping
• Subtracting Multi-Digit Whole Numbers — [4.NBT.B.4] the standard subtraction algorithm, including across zeros
• Multiplying by a One-Digit Number — [4.NBT.B.5] multiply up to four digits by a single digit
• Multiplying Two Two-Digit Numbers — [4.NBT.B.5] the area model and the standard algorithm side by side
• Dividing with Remainders — [4.NBT.B.6] divide and name the leftover as a remainder
• Finding Factors and Multiples — [4.OA.B.4] list every factor of a number and its first multiples
• Prime and Composite Numbers — [4.OA.B.4] exactly two factors means prime; more means composite

Operations & Problem Solving

• Multiplicative Comparisons — [4.OA.A.1] read ‘4 times as many’ as a multiplication statement
• Multiplicative Comparison Word Problems — [4.OA.A.2] solve ‘times as many’ stories with multiplication or division
• Multi-Step Word Problems — [4.OA.A.3] two or more operations in one real-world problem
• Interpreting Remainders — [4.OA.A.3] decide what the leftover means — round up, drop it, or use it
• Number and Shape Patterns — [4.OA.C.5] follow a rule and find the next terms in a pattern

Fractions

• Equivalent Fractions — [4.NF.A.1] the same amount written with different numbers
• Comparing Fractions — [4.NF.A.2] compare fractions with unlike denominators using benchmarks
• Adding Fractions with Like Denominators — [4.NF.B.3a] add the numerators, keep the denominator
• Subtracting Fractions with Like Denominators — [4.NF.B.3a] subtract the numerators, keep the denominator
• Decomposing Fractions — [4.NF.B.3b] break a fraction into a sum of unit fractions
• Adding and Subtracting Mixed Numbers — [4.NF.B.3c] work with the whole and fraction parts, including regrouping
• Multiplying a Fraction by a Whole Number — [4.NF.B.4b] repeated addition of a fraction, written as multiplication
• Fraction Word Problems — [4.NF.B.3d] real-world stories that call for adding or subtracting fractions

Decimals

• Fractions with Denominators 10 and 100 — [4.NF.C.5] rename tenths as hundredths and add the two
• Decimal Notation for Fractions — [4.NF.C.6] write tenths and hundredths as decimals, and back
• Comparing Decimals to Hundredths — [4.NF.C.7] line up the place values and compare with >, <, =
• Adding Decimal Fractions — [4.NF.C.5] add decimals to the hundredths place

Measurement & Data

• Converting Measurement Units — [4.MD.A.1] change from a larger unit to a smaller one
• Measurement Word Problems — [4.MD.A.2] length, weight, volume, and time in real situations
• Area of Rectangles — [4.MD.A.3] length times width — the space inside a rectangle
• Perimeter of Rectangles — [4.MD.A.3] the distance all the way around a rectangle
• Area and Perimeter Word Problems — [4.MD.A.3] decide whether a problem needs area or perimeter
• Line Plots with Fractions — [4.MD.B.4] read and use a line plot of fraction measurements

Angles

• Angles as Fractions of a Circle — [4.MD.C.5] a full turn is 360 degrees — find a fraction of it
• Measuring Angles with a Protractor — [4.MD.C.6] name angles acute, right, or obtuse by their measure
• Drawing Angles with Given Measures — [4.MD.C.6] know what a given degree measure should look like
• Adding and Subtracting Angles — [4.MD.C.7] an angle split into parts — find the missing part

Geometry

• Points, Lines, Rays, and Angles — [4.G.A.1] the building blocks of geometry and how to tell them apart
• Parallel and Perpendicular Lines — [4.G.A.1] lines that never meet, and lines that cross at a square corner
• Classifying Triangles — [4.G.A.2] sort triangles by their angles and their sides
• Classifying Quadrilaterals — [4.G.A.2] name four-sided shapes by their sides and angles
• Lines of Symmetry — [4.G.A.3] find the lines that fold a shape onto itself

How to use these worksheets at home

The best approach with a fourth grader is modest and consistent. One PDF is one sitting, and one sitting is roughly fifteen minutes. A child who can see the finish line will get started — and getting started is most of the challenge.

Pair worksheets that build on one another, and each second page becomes a short step instead of a wall. “Adding Multi-Digit Whole Numbers” and “Subtracting Multi-Digit Whole Numbers” make a natural duo, sharing the same regrouping. Open a multiplication run with a place-value page — a child who reads 3,090 as three thousands and nine tens can see exactly why the partial products stack the way they do — and then move to “Multiplying by Two-Digit Numbers.” Set “Dividing with Remainders” right beside that, so division shows up as multiplication undone and the leftover becomes simply the part that would not make a full group.

Fractions reward a sequence, too. “Equivalent Fractions” belongs before “Comparing Fractions,” because renaming is the tool that makes comparing painless, and “Mixed Numbers” fits just after — a mixed number is only a whole and a fraction kept together. Let “Decimals to the Hundredths” sit next to fraction work so a child notices 0.25 and one-quarter are the same value in two outfits. In geometry, “Area of Rectangles” and then “Perimeter of Rectangles” lets a student feel the contrast between covering a space and going around it, while “Measuring Angles” before “Classifying Shapes” turns the names of triangles and quadrilaterals into something a child can reason out by looking.

After the page is done, hand the answer key to your student. In a Baltimore row house or a kitchen in Rockville, the routine works the same way: do the page, check it yourself, read the explanation for any mistake. That self-check is the step where understanding actually settles. It is worth revisiting old pages, too — every few weeks, have your child rework a handful of problems from a worksheet they finished a month back. A skill that held will run smoothly; one that slipped will surface, with time still on the calendar to set it right.

A note about MCAP at Grade 4

Maryland students take the Maryland Comprehensive Assessment Program (MCAP) Mathematics assessment in the spring. It is built on the Maryland Mathematics Standards, so the skills on these worksheets and the skills on the test are drawn from the same source.

The Grade 4 MCAP asks for reasoning, not just answers. Students explain place-value thinking, choose operations for multi-step word problems, compare fractions and justify the comparison, interpret remainders, and work with decimals, angles, area, perimeter, and the sorting of shapes. The questions tend to layer two or three ideas at once, which is exactly why practice that was understood — not merely completed — is what holds up under them. Because each PDF here is tied to a single standard, the spring window becomes a clear checklist — find the skills that wobble, work just those, and leave the steady ones alone.

A short closing

Fourth-grade math is not a single jump; it is a steady walk, taken one skill and one short afternoon at a time. No one page carries the year — but a page today, another in a few days, another after that, adds up to a child who steps into fifth grade already sure of the ground beneath them. Bookmark this page, print a PDF tonight, and let your student start small. Maryland kids do thoughtful, multi-step work well when the next step is clear — and a worksheet on the table makes it clear.

Best Bundle to Ace the Maryland MCAP Grade 4 Math Test

Want the fastest path through Maryland MCAP Grade 4 math? This bundle pulls it together — four full practice-test books with complete, step-by-step answer keys, instant PDF download.

Maryland MCAP Grade 4 Math Preparation Bundle

Download

$57.99 Original price was: $57.99.$49.99Current price is: $49.99.