Washington SBAC Grade 4 Math Free Worksheets: 72 Free Printable Worksheets with Step-by-Step Keys

By fourth grade, math has more moving parts than it used to. A second or third grader works mostly with numbers and operations they can hold in their head all at once. A fourth grader has to keep track of more: the place value of a digit in a six-figure number, the steps of a multi-digit division problem, what a remainder is telling them, how two fractions compare once they are rewritten with the same denominator. The math is not just harder — it asks the student to manage more at the same time.

You can see it in the small moments. A child has to know that the 6 in 60,000 is worth ten times the 6 in 6,000 before comparing big numbers means anything. They carry that place-value sense through a four-digit-by-one-digit multiplication without losing a column, then divide and decide what the leftover means — three friends still without a seat, or three dollars still in hand. Fractions become real numbers in the same stretch: 3/4 and 6/8 naming one amount, a mixed number holding a whole part and a fraction part together, a decimal to the hundredths just another way to write the same value. None of it is beyond a fourth grader. There is simply a lot to hold at once.

That is exactly why the year is foundational. Fourth graders take on multi-digit multiplication and division with remainders, factors and multiples, multiplicative comparison, multi-step word problems, and number patterns. They learn fractions as real quantities — equivalence, comparing, adding and subtracting with like denominators, mixed numbers, and fraction times a whole number. They meet decimals to the hundredths, measure angles, classify shapes, tell area from perimeter, and convert units. A student who gets steady with all of that walks into fifth grade ready to keep climbing.

These worksheets were built for that climb. Whether your fourth grader is in Seattle, Spokane, Tacoma, or Vancouver, they offer one clear skill at a time, with enough practice for it to take hold.

What’s on this page

Here you will find 43 single-skill PDFs, each aligned to the Washington Mathematics Standards at Grade 4. Every file is narrow on purpose — one skill, fully practiced — so a student working on mixed numbers is not also being asked about line plots, and a student learning to measure angles is not sidetracked into long division.

Each PDF begins with a one-page Quick Review: the skill explained in plain words, with one example worked all the way through. After that come 20 practice problems ordered from easy to hard, then 4 word problems that drop the skill into a real-world setting. The closing page is a student-facing answer key — short, friendly explanations a fourth grader can read on their own and genuinely learn from.

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

Small and steady is the whole strategy. A fourth grader does best with one PDF and about fifteen minutes — enough to make real progress, short enough that they will actually sit down to it. Two predictable afternoons a week, and before long the routine carries itself.

Teach skills in pairs that lean on each other. Run “Multiplying by One-Digit Numbers” and then “Multiplying by Two-Digit Numbers,” with a place value page first if keeping the columns straight is the sticking point. Do “Equivalent Fractions” before “Comparing Fractions,” so the comparing rests on ground the child already knows — once 2/3 can be rewritten as 8/12, deciding whether it beats 7/12 takes no guessing. Carry that into adding fractions with like denominators and then mixed numbers, since a mixed number is just a whole number with a fraction riding along. Put multi-digit division beside a page on interpreting remainders, so the leftover gets treated as part of the answer. Pair “Area of Rectangles” with “Perimeter of Rectangles,” one question about filling the inside and one about measuring the edge. When the second worksheet grows out of the first, every new sitting starts from somewhere familiar.

Once a few of those arithmetic pairs are solid, fold in the geometry and measurement pages — measuring angles, classifying triangles and quadrilaterals, reading decimals to the hundredths. They use a different part of a child’s attention, and that change of pace keeps homework from going stale. It also helps to circle back: every couple of weeks, have your child redo a few problems from a finished worksheet, so a skill that has slipped gets caught early.

And save the answer key for the end of the work. Let your child finish the page, then check their own answers and read the explanations for anything they missed. Through a long Washington winter of homework, that self-check habit — spotting the slip, understanding the fix — is the part that turns a worksheet into actual learning.

A note about SBAC at Grade 4

Washington fourth graders take the Smarter Balanced (SBAC) Mathematics assessment in the spring. It is built on the Washington Mathematics Standards, so the skills these worksheets practice and the skills the test measures grow from the same root.

The Grade 4 SBAC is not a memory quiz. It asks students to reason — to solve multi-step word problems, to explain their thinking, to justify why two fractions are equivalent, to interpret what a remainder means, to compare decimals to the hundredths, and to work through tasks that take more than one move to finish. It pairs straightforward questions with deeper ones that ask a student to use a skill in a place they have not seen it before. Because each PDF here targets one standard, the spring window becomes a checklist you can actually use: see what is solid, see what is shaky, and put practice time only where it counts.

A short closing

Fourth-grade math asks a child to manage more at once — and they get there one skill, one short sitting at a time. The whole load does not have to be carried in a week. Bookmark this page, print a single PDF tonight, and let your fourth grader start somewhere small. Washington kids do hard things well when the path is clear, and a worksheet on the table is a clear path forward.

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