Home / 3rd grade
Free Math Games offers 16 top level categories for 3rd grade. Taken together, these categories cover the majority of the US math curriculum for 3rd grade.
See the list of topics for 3rd grade or select a math category from the table below to see the available sub-categories and topics, or go directly to the 3rd grade games, lessons and tests.
The CCSS core curriculum for 3rd grade covers a range of categories, including:
Number and place value
Students learn about place value up to 10,000, and how to use this knowledge to solve problems. They learn to compare, order, and round numbers. They explore number patterns and sequences. They also learn how to count forwards and backwards in steps of powers of 10.
Addition and subtraction
Students learn how to add and subtract whole numbers with up to 3 digits, including using formal written methods (columnar addition and subtraction). They will also learn how to add and subtract numbers mentally with increasingly large numbers.
Multiplication and division
Students learn how to multiply and divide whole numbers by 10 and 100 (keeping to whole number quotients). They also learn how to solve problems involving missing factors and multiples.
Students learn how to compare and order fractions, and how to express fractions in the same denomination. They also learn how to simplify fractions and add, subtract and multiply fractions.
Students explore various aspects of measurement, including length, mass, volume, and time. They convert between different units of measurement and approximate equivalence between metric and imperial units.
Geometry & shapes
Students study properties of shapes and angles. They learn to identify, classify, and describe 2D shapes such as squares, rectangles, triangles, and circles. They also learn how to calculate the area and perimeter of 2D shapes. They begin to understand basic properties of triangles and quadrilaterals.
Position & direction
Students begin to explore simple reflections and translations.
Students explore different tables and line graphs and use them to identify facts.
Students learn about basic algebraic concepts, such as variables and equations. They learn how to solve simple algebraic problems.
Below is the complete list of topics for 3rd grade arranged by category. Click on a topic to view more information.
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