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What does a student learn in ?

This is the year arithmetic stretches into bigger numbers and fractions start to feel like real quantities. Students multiply and divide larger numbers, break problems into friendlier parts, and check whether their answers make sense. Fractions and decimals show up on number lines and in money, and students start comparing them. By spring, students can multiply a two-digit number by a one-digit number, find the area of a rectangle, and place a fraction like 3/4 on a number line.

Illustration of what students learn in Grade 4 Mathematics
  • Multiplication
  • Fractions
  • Place value
  • Area and perimeter
  • Decimals and money
  • Patterns
Source: Minnesota Minnesota Academic Standards
Year at a glance
How the year usually goes. Every school and district set their own curriculum, so treat this as a guide, not official pacing.
  1. 1

    Place value and big numbers

    Students read, write, and compare numbers up to a million. They learn that the same digit means ten times more when it moves one spot to the left, and they use that idea to estimate sums and differences.

  2. 2

    Multiplication and division

    Students get quick with times tables up to 12 and start multiplying larger numbers using arrays, area models, and place value. They also divide up into the thousands and solve word problems with more than one step.

  3. 3

    Fractions and decimals

    Students place fractions and mixed numbers on a number line, find fractions that look different but are equal, and add and subtract fractions with halves, fourths, and eighths. They connect fractions to decimals like 0.5 and 0.25, often using money as a model.

  4. 4

    Shapes, angles, and measurement

    Students measure with a ruler and a protractor, name angles as acute, right, or obtuse, and sort quadrilaterals like squares, rhombuses, and trapezoids. They also find the perimeter and area of rectangles and label answers with the right units.

  5. 5

    Data, patterns, and chance

    Students collect data, read graphs and timelines, and decide whether a claim the data makes is fair. They describe how patterns grow, write rules for them, and judge whether an event is likely, unlikely, certain, or impossible.

Mastery Learning Standards
The required skills a student should display by the end of Grade 4.
Data Analysis
  • Notice and describe patterns in data-rich situations or two given related data…

    4.1.1.1

    Students look at two sets of data side by side, spot patterns, and come up with questions that the data can actually answer. For example, they might compare rainfall totals from two cities and ask which month was wettest.

  • Collect and organize data to answer a statistical question, analyze variability…

    4.1.1.2

    Students collect information to answer a real question, then look for gaps or bias in what they gathered. They display the data using charts, graphs, or tools like a spreadsheet.

  • Make predictions and recognize that how the data was collected impacts the…

    4.1.1.3

    Students make predictions from data they've gathered, then think about whether the way they collected that data makes those predictions trustworthy. A survey of three friends gives a shakier prediction than a survey of the whole class.

  • Critically analyze data visualizations, including tables, double bar graphs…

    4.1.1.4

    Students read charts and graphs closely, then use what they find to back up a point or solve a real problem.

  • Classify probability events involving dice, coins, spinners with equal and…

    4.1.2.1

    Students sort outcomes from dice rolls, coin flips, and spinners into categories: impossible, certain, likely, unlikely, or equally likely. They also work with colored blocks drawn from a bag.

  • Use a number line to connect the values of 0 to impossible, 1/2 to equally…

    4.1.2.2

    Students place probability on a number line, matching 0 to impossible, 1 to certain, and 1/2 to a 50-50 chance. Then they estimate where "likely" and "unlikely" fall based on a real situation.

Spatial Reasoning
  • Classify angles as acute, right and obtuse by estimation, comparison with a…

    4.2.3.1

    Students sort angles by size: smaller than a corner of a piece of paper (acute), exactly matching it (right), or wider than it (obtuse). They estimate first, then check by measuring.

  • Determine lengths to the nearest sixteenth of an inch when measuring with…

    4.2.3.2

    Students measure objects to the nearest sixteenth of an inch or nearest tenth of a centimeter, reading a ruler more precisely than just whole numbers or halves.

  • Measure angles with a protractor

    4.2.3.3

    Students learn to use a protractor to find the size of an angle in degrees, the same way they would use a ruler to find the length of a line.

  • Determine the perimeter and area of two- dimensional figures and label with…

    4.2.3.4

    Students find the distance around a shape (perimeter) and the space inside it (area), then label each answer with the right unit, like inches or square feet.

  • Find the areas of geometric figures that can be decomposed into rectangular…

    4.2.3.5

    Students break an irregular shape into rectangles, find the area of each piece, and add them together. They label the answer in square units.

  • Explain why the area of a rectangle can be calculated by multiplying the length…

    4.2.3.6

    Students explain why multiplying a rectangle's length by its width gives the area, then use that formula to find the area of rectangles with whole number sides.

  • Make change up to $20 with place values, using $ and ¢ symbols appropriately

    4.2.3.7

    Students figure out how much change to hand back after a purchase, working with amounts up to $20 and writing the answer correctly with dollar and cent symbols.

  • Draw points, lines, line segments, rays, angles and perpendicular and parallel…

    4.2.4.1

    Students draw and name basic parts of geometry: points, lines, rays, angles, and parallel or perpendicular lines. Then they find and label those same parts inside flat shapes like triangles and rectangles.

  • Create representations of triangles given the relationships among the sides

    4.2.4.2

    Students draw triangles to match specific rules, such as two equal sides or one right-angle corner. They practice recognizing how a triangle's name describes what its sides and angles actually look like.

  • Sort and classify quadrilaterals in a hierarchy, including squares, rectangles…

    4.2.4.3

    Students sort shapes like squares, rectangles, and rhombuses into groups based on their sides and angles, then learn why a square is also a rectangle and a rectangle is also a parallelogram.

  • Create a representation and describe the front, top and side views of…

    4.2.4.4

    Students draw what a 3-D shape made of cubes looks like from the front, the top, and the side, then describe how each view differs from the others.

  • Draw the nets of cubes

    4.2.4.5

    Students draw the unfolded shape of a cube flat on paper, then decide which flat patterns can be folded back into a cube and which ones cannot.

Patterns and Relationships
  • Recognize that in a multi-digit whole number, a digit in one place represents…

    4.3.5.1

    Students learn that each position in a whole number is worth exactly 10 times the position to its right. The digit 3 in the hundreds place, for example, is worth ten 3s in the tens place.

  • Compare and order whole numbers from 0 to 1,000,000 with place value…

    4.3.5.2

    Students read and compare numbers up to one million, deciding which is larger or smaller, and record that comparison using the greater than, less than, or equal sign.

  • Estimate sums and differences, within 1,000,000 using strategies based on place…

    4.3.5.3

    Rounding large numbers to make a quick guess at an answer before solving. Students practice checking whether an answer to an addition or subtraction problem makes sense, using what they know about place value.

  • Estimate products and quotients of multi-digit whole numbers by using simple…

    4.3.5.4

    Students estimate answers to multiplication and division problems before solving them, using rounding and place value to check whether a final answer makes sense.

  • Fluently multiply two numbers from 0 to 12 using flexible strategies based on…

    4.3.5.5

    Students practice multiplication facts up to 12 times 12 until they can solve them quickly and in more than one way, such as breaking a harder fact into smaller ones they already know.

  • Use place value language to describe how to multiply a number by 10, 100 and…

    4.3.5.6

    Students explain what happens to a number when it is multiplied by 10, 100, or 1,000, using place value to describe why the digits shift left and zeros appear.

  • Flexibly decompose numbers into addends or factors to multiply two two-digit…

    4.3.5.7

    Students break a large multiplication problem into smaller, friendlier pieces to make the math easier. Then they show why it works using equations or a rectangle drawn on paper.

  • Solve contextual situations using division with dividends up to the thousands…

    4.3.5.8

    Students solve real-world division problems where a large number (up to the thousands) is split into equal groups using a single-digit number. They can draw pictures, break the problem into smaller parts, or subtract repeatedly to find the answer.

  • Solve multi-step contextual situations requiring the use of addition…

    4.3.5.9

    Students solve word problems that use more than one step and mix addition, subtraction, and multiplication with larger numbers. They check whether their answer makes sense by thinking about what the problem is actually asking.

  • Read, write, represent and plot on a number line fractional values between 0…

    4.3.5.10

    Students read, write, and place fractions and mixed numbers on a number line, using denominators like 2, 4, 8, and 12. They also recognize that whole numbers can be written as fractions, such as 4/4 equaling 1.

  • Explain why a fraction is equivalent to the 𝑏𝑏 product 𝑎𝑎 𝑥𝑥 1 using…

    4.3.5.11

    Students explain why two fractions that look different can name the same amount, using a picture or diagram to show why multiplying the top number by 1 keeps the value the same.

  • Explain why a fraction is equivalent to a fraction 𝑏𝑏 𝑛𝑛 𝑥𝑥 𝑎𝑎 by…

    4.3.5.12

    Students learn that multiplying the top and bottom of a fraction by the same number gives you an equal fraction. They use pictures or diagrams to show why 1/2 and 2/4 take up the same amount, even though the pieces are different sizes.

  • Compare and order fractions between 0 and 3 and justify reasoning using…

    4.3.5.13

    Students compare fractions and put them in order from smallest to largest. They back up their thinking by drawing pictures, placing fractions on a number line, or finding a common denominator.

  • Recognize the relationship between decimals and fractions

    4.3.5.14

    Students connect fractions and decimals, reading and writing the same amount both ways. They know by heart that one-half is 0.5, one-quarter is 0.25, and three-quarters is 0.75.

  • Compare and order decimal values to the hundredths and justify using place…

    4.3.5.15

    Students compare decimals like 0.40 and 0.38 by thinking about dimes and pennies, placing the numbers on a number line, or shading a grid. They also show how the same amount can look different, the way 4 dimes equals 40 pennies.

  • Use visual models to add and subtract fractions with denominators of 2, 4 and 8…

    4.3.5.16

    Students use pictures like fraction bars or number lines to add and subtract fractions with halves, fourths, and eighths, getting answers up to 2.

  • Use the four operations to make financial decisions based on income, spending…

    4.3.5.17

    Students use addition, subtraction, multiplication, and division to make real money decisions, like budgeting a paycheck, deciding how much to save, or figuring out what a loan actually costs.

  • Use relational thinking to find a missing value in an open number sentence with…

    4.3.6.1

    Students find the missing number that makes a multiplication or division equation balance, then explain whether the equation is true or false and why.

  • Make conjectures and justifications using the distributive property to justify…

    4.3.6.2

    Students decide whether multiplication equations are true or false, then explain their reasoning using the distributive property, such as showing why 4 x 23 equals 4 x 20 plus 4 x 3.

  • Develop an explicit rule that generalizes a visual pattern relating the figure…

    4.3.7.1

    Students look at a repeating visual pattern, figure out a rule that connects the figure number to how many pieces it has, and use that rule to predict any figure in the sequence.

  • Use words to write a rule for multiplicative patterns to solve contextual…

    4.3.7.2

    Students identify whether a number pattern grows by adding the same amount or multiplying, then write a rule in words that describes it. They use tables or drawings to compare both types and solve real-world problems.

  • Generate a number or shape pattern that follows a given descriptive rule

    4.3.7.3

    Students create a number or shape pattern from a given rule, then look for surprises the rule never mentioned, like a sequence that always lands on even numbers or shapes that keep alternating colors.

Assessments
The state tests students at this grade and subject take.
State Summative

Minnesota Comprehensive Assessment: Mathematics

Standards-based mathematics assessment for grades 3 through 8 and grade 11, aligned to Minnesota Academic Standards.

When given:
spring
Frequency:
annual
Official source
Alternate assessment

MTAS / Alternate MCA

Alternate standards-based assessment for eligible students with the most significant cognitive disabilities, administered in the same subjects and grades as the MCA program.

When given:
spring
Frequency:
annual
Official source
National Monitoring

NAEP (National Assessment of Educational Progress)

Federally administered sample-based assessment in reading, mathematics, science, writing, and other subjects. NAEP results inform state-by-state comparisons rather than individual student or school accountability.

When given:
biennial in winter
Frequency:
every two years
Official source
Common Questions
  • What does math look like this year?

    The big shifts are multiplying and dividing larger numbers, working with fractions and decimals together, and measuring angles and area. Students also start reading data from graphs and tables more carefully and judging whether an answer makes sense.

  • How can families help with multiplication facts at home?

    Students are expected to know times tables through 12 quickly and flexibly. Five minutes a day of mixed practice, in the car or at dinner, builds the speed they need for harder problems later. Ask about 7s, 8s, and 12s, which tend to be the stickiest.

  • Why is my child writing fractions and decimals that look the same?

    Students learn that 0.5 and one half mean the same amount, and the same goes for 0.25 and one quarter. Pointing this out with money helps. A quarter is 0.25 of a dollar and also one fourth of a dollar.

  • How should fractions be sequenced across the year?

    Build the number line first so fractions feel like values, not just pie slices. Then move to equivalent fractions with visual models before comparing and ordering. Adding and subtracting fractions with denominators of 2, 4, and 8 comes after that foundation is steady.

  • Which skills usually need the most reteaching?

    Two-digit by two-digit multiplication, long division with one-digit divisors, and comparing fractions with unlike denominators tend to need extra passes. Place value language is the through-line. If students can talk about tens, hundreds, and thousands fluently, the rest gets easier.

  • What can families do at home with measurement?

    Hand over a ruler and a protractor. Ask students to measure things to the nearest sixteenth of an inch, find the perimeter of a room, or estimate whether an angle is acute, right, or obtuse. Cooking and home projects give real reasons to measure carefully.

  • How do students show they understand area?

    Students should explain why length times width gives the area of a rectangle, not just compute it. Ask them to draw a shape, break it into rectangles, find each area, and add them up. Labeling answers in square units matters too.

  • How do I know students are ready for next year?

    By spring, students should multiply and divide multi-digit numbers with confidence, compare fractions and decimals with reasoning, and solve multi-step word problems while checking that the answer makes sense. They should also classify shapes and angles using the right vocabulary.