Iowa ISASP Grade 4 Math Free Worksheets: Printable PDF Practice for Algebra, Geometry & Data

There is a particular kind of growth that happens in fourth-grade math, and it is less about difficulty than about scale. A third grader multiplies; a fourth grader multiplies a three-digit number by a one-digit number and keeps every place straight. A third grader divides into clean answers; a fourth grader divides and then has to decide what the remainder is telling them. Fractions become quantities — things you compare, add, and multiply by a whole number. Decimals enter the picture. The math has not become a different subject; it has simply gotten bigger and more interlocked.

That interlocking is what makes the year foundational. Multiplicative comparison is the idea that unlocks multi-step word problems. Factors and multiples lay groundwork for the fraction work ahead. A child in Des Moines or Iowa City who gets comfortable with place value early is quietly setting up the decimal work that arrives later in the year. Because the pieces depend on one another, a regular practice rhythm does more good in fourth grade than it ever did before.

These 43 worksheets are made to support that rhythm. From Cedar Rapids to Davenport, each one takes a single skill and gives a student real room to practice it.

What’s on this page

On this page are 43 single-skill PDFs, each aligned to the Iowa Mathematics Standards at Grade 4. Every file is built around exactly one skill. A worksheet on number patterns stays on number patterns; a worksheet on measuring angles will not also test decimal place value. That narrow focus is the whole idea — it turns each PDF into a clear, honest signal of what a child knows and what still needs attention.

Each file follows the same dependable shape. It opens with a one-page Quick Review: the skill explained in plain language, with one example worked all the way through. Then 20 practice problems follow, arranged to build from straightforward to challenging. Four word problems come next, setting the skill in a context a fourth grader can picture. The final page is a student-facing answer key — short, friendly explanations a student can read independently and 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

Short and steady is the way. A fourth grader has a real, finite stretch of focus, and fifteen unhurried minutes uses it well. Treat one PDF as one sitting — start it, finish it, and be done. That clean stopping point is part of what makes a child willing to come back to it the next day.

Work in connected pairs. Two related skills, done close together, let the second one feel like a continuation rather than a fresh hurdle. “Multiplying by One-Digit Numbers” leads naturally into “Multiplying by Two-Digit Numbers.” “Equivalent Fractions” belongs right before “Comparing Fractions,” since finding a common form is most of what comparing requires. “Area of Rectangles” and “Perimeter of Rectangles” pair well too, because seeing them side by side stops a child from confusing the two.

Iowa families fill their evenings, and the school year is long — practice has to fit into ordinary days. Print one PDF the night before so it is ready when a window opens. Hold the answer key until the work is finished, then let your child be the one to check it. Reading why an answer worked — that small, two-minute step — is where the practice quietly turns into learning.

Keep the mood light, too. A worksheet is not a test, and it does not need to feel like one. If a child stalls partway down a page, that is a cue to slow down — reread the Quick Review together and come back tomorrow with fresh eyes, rather than pushing through while frustration builds. Save the four word problems at the end for a moment when your child is alert, since they ask for an extra layer of thinking: first understanding the situation, then choosing the math. A few unhurried minutes most days will carry a student further than any long, tense study session.

A note about ISASP at Grade 4

Iowa students take the Iowa Statewide Assessment of Student Progress — Mathematics, known as ISASP, in the spring. It is built on the Iowa Mathematics Standards, which are Common Core-aligned. Because these worksheets draw from the same standards, the skills your child practices here are the skills ISASP is checking.

At Grade 4, ISASP asks students to do more than recall procedures. It asks them to multiply and divide multi-digit numbers, reason about fractions and decimals, solve multi-step word problems, and explain their thinking about measurement and geometry. Since every PDF on this page targets a single Iowa standard, you can use the spring window as a checklist — work through the skills, see which ones your child has down, and spend practice time only where it is genuinely needed.

A short closing

Fourth-grade math covers real ground, but it does it one skill at a time, and a child can walk that path the same way. Bookmark this page, print one PDF tonight, and let your student begin small — one set of multiplication problems is a perfectly good place to start. Iowa kids handle hard work when the next step is clear, and a worksheet on the kitchen table is about as clear as a next step gets.

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