Place value and bigger numbers
Students read, write, and compare numbers into the thousands. They use place value to round to the nearest ten or hundred and to add and subtract larger numbers with confidence.
What does a student learn in
This is the year math moves from adding and subtracting into multiplying and dividing. Students learn their times tables, work with fractions as real pieces of a whole, and start solving word problems that take more than one step. They also tell time to the minute, measure with rulers, and read bar graphs. By spring, students can multiply within 100 from memory and explain what a fraction like 3/4 actually means.
- Multiplication and division
- Fractions
- Word problems
- Telling time
- Measurement
- Bar graphs
- Money
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
- 2
Multiplication and division
Students learn what multiplication and division actually mean, using groups, arrays, and skip counting. By the end, most can recall basic facts quickly and use them to solve word problems.
- 3
Introducing fractions
Students see fractions as equal parts of a whole and as points on a number line. They compare simple fractions like one half and one third and start to notice when two fractions name the same amount.
- 4
Measurement, time, and money
Students tell time to the minute, measure length and weight, and solve money problems with dollars and cents. They also start making smart choices about saving and spending.
- 5
Shapes, area, and perimeter
Students sort shapes by their sides and angles, then measure the space inside a rectangle and the distance around it. Tiling and grid drawings help area click before the formula does.
- 6
Data, graphs, and problem solving
Students read and build bar graphs and picture graphs, then use them to answer real questions. They pull together the year's skills to solve multi-step word problems and check that answers make sense.
Mastery Learning Standards
The required skills a student should display by the end of Grade 3.
Mathematical Thinking and Reasoning
Mathematical Thinking and Reasoning
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Mathematical Thinking
When a math problem feels hard, students stick with it and try more than one way to find the answer instead of giving up.
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Modeling Real-World Situations
Students take a real situation, like splitting a pizza or counting coins, and turn it into a drawing, equation, or number line that shows the math behind it.
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Complete Tasks with Fluency
Students choose the fastest, most reliable method they know to solve a problem. They don't just get the right answer; they get there without unnecessary steps.
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Engage in Discourse
Students talk through math problems with classmates, asking questions when something is unclear and explaining their own thinking when someone else needs help.
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Use Patterns and Structure
Students look for patterns and shortcuts in math problems, like noticing that multiplying by 4 is the same as doubling twice. Spotting those patterns helps them solve new problems faster and with more confidence.
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Assess Reasonableness
Students check whether an answer makes sense before moving on. They use rounding or estimation to catch mistakes and make sure the number they get fits the real situation, like confirming a measurement or total is in the right ballpark.
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Apply Mathematics in Real-World Contexts
Students use math to figure out real problems, like splitting a pizza or counting change at a store. The skill is about seeing where numbers and shapes show up in everyday life and using them to make decisions.
| Standard | Definition | Code |
|---|---|---|
| Mathematical Thinking | When a math problem feels hard, students stick with it and try more than one way to find the answer instead of giving up. | FL-MATH.MTR.3.1 |
| Modeling Real-World Situations | Students take a real situation, like splitting a pizza or counting coins, and turn it into a drawing, equation, or number line that shows the math behind it. | FL-MATH.MTR.3.2 |
| Complete Tasks with Fluency | Students choose the fastest, most reliable method they know to solve a problem. They don't just get the right answer; they get there without unnecessary steps. | FL-MATH.MTR.3.3 |
| Engage in Discourse | Students talk through math problems with classmates, asking questions when something is unclear and explaining their own thinking when someone else needs help. | FL-MATH.MTR.3.4 |
| Use Patterns and Structure | Students look for patterns and shortcuts in math problems, like noticing that multiplying by 4 is the same as doubling twice. Spotting those patterns helps them solve new problems faster and with more confidence. | FL-MATH.MTR.3.5 |
| Assess Reasonableness | Students check whether an answer makes sense before moving on. They use rounding or estimation to catch mistakes and make sure the number they get fits the real situation, like confirming a measurement or total is in the right ballpark. | FL-MATH.MTR.3.6 |
| Apply Mathematics in Real-World Contexts | Students use math to figure out real problems, like splitting a pizza or counting change at a store. The skill is about seeing where numbers and shapes show up in everyday life and using them to make decisions. | FL-MATH.MTR.3.7 |
K-8 mathematics content
K-8 mathematics content
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Number Sense and Operations
Working with whole numbers, fractions, and decimals is the core math of third grade. Students count, compare, add, subtract, and start breaking numbers into equal parts like halves and fourths.
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Algebraic Reasoning
Students spot patterns in numbers, describe what's changing, and write simple equations to show how things relate. This is the foundation for algebra before variables have names.
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Measurement
Students measure length, weight, and time, then use those numbers to solve word problems. They also work with coins and bills to add up amounts and make change.
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Geometric Reasoning
Students sort and describe flat shapes (like squares and triangles) and solid shapes (like cubes and cones), and measure things like side lengths and angles to understand what makes each shape unique.
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Data Analysis and Probability
Students gather information, sort it into charts or graphs, and answer questions about what the data shows. In third grade, that means reading bar graphs, picture graphs, and simple tables to compare groups and spot patterns.
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Financial Literacy
Students practice making real money choices: deciding how much to save, how much to spend, and what it means to borrow money. The math behind those everyday decisions is what this standard is about.
| Standard | Definition | Code |
|---|---|---|
| Number Sense and Operations | Working with whole numbers, fractions, and decimals is the core math of third grade. Students count, compare, add, subtract, and start breaking numbers into equal parts like halves and fourths. | FL-MATH.K8.3.1 |
| Algebraic Reasoning | Students spot patterns in numbers, describe what's changing, and write simple equations to show how things relate. This is the foundation for algebra before variables have names. | FL-MATH.K8.3.2 |
| Measurement | Students measure length, weight, and time, then use those numbers to solve word problems. They also work with coins and bills to add up amounts and make change. | FL-MATH.K8.3.3 |
| Geometric Reasoning | Students sort and describe flat shapes (like squares and triangles) and solid shapes (like cubes and cones), and measure things like side lengths and angles to understand what makes each shape unique. | FL-MATH.K8.3.4 |
| Data Analysis and Probability | Students gather information, sort it into charts or graphs, and answer questions about what the data shows. In third grade, that means reading bar graphs, picture graphs, and simple tables to compare groups and spot patterns. | FL-MATH.K8.3.5 |
| Financial Literacy | Students practice making real money choices: deciding how much to save, how much to spend, and what it means to borrow money. The math behind those everyday decisions is what this standard is about. | FL-MATH.K8.3.6 |
Assessments
The state tests students at this grade and subject take.
FAST Mathematics (Grades 3-5)
FAST Mathematics for grades 3 through 5, given three times per year with PM3 as the summative result for accountability.
- When given:
- fall, winter, spring
- Frequency:
- three times per year
Common Questions
What math should students know by the end of the year?
Students should know their multiplication and division facts, add and subtract larger numbers with regrouping, and understand fractions as equal parts of a whole. They should also tell time to the minute, measure length and weight, and read simple graphs.
How can I help my child practice multiplication at home?
Quiz facts in short bursts while driving or cooking, five minutes at a time. Use everyday groups: six eggs in two rows, four wheels on three cars, eight legs on two spiders. Mixing facts in real situations sticks better than worksheets.
What does it mean when students learn fractions this year?
Students start seeing fractions as real numbers, not just slices of pizza. They learn that one half and two fourths are the same amount, and that fractions sit on a number line between whole numbers. Cutting sandwiches or measuring cups for a recipe helps a lot.
How should multiplication be sequenced across the year?
Start with equal groups and arrays so students see what multiplication means before memorizing. Build the facts in chunks, usually twos, fives, and tens first, then fours and threes, then the harder ones. Division comes in alongside multiplication so students see them as one idea.
Which topics usually need the most reteaching?
Fractions on a number line and word problems with two steps tend to trip students up the most. Telling time to the minute and elapsed time also need extra rounds. Plan to revisit these in short reviews through the spring, not just in one unit.
What should I do if my child gets stuck on a word problem?
Ask them to read it out loud and draw a quick picture of what is happening. Have them tell the story in their own words before touching numbers. If they are still stuck, swap the big numbers for small ones to find the pattern.
How do I know students are ready for next year?
By spring, students should solve multiplication and division facts within 100 without counting, add and subtract three-digit numbers with confidence, and explain a fraction using a picture or number line. They should also solve a two-step word problem and check whether the answer makes sense.
Does money and time still get taught at this level?
Yes. Students count mixed coins and bills, make change, and solve problems about saving and spending. They also tell time to the minute and figure out how long something takes, like a bus ride or a recess block.