Math Lessons→Grade 3
A clear path through the year

Grade 3 Math Lessons

Grade 3 introduces multiplication and division as connected operations. Fractions, area, perimeter, scaled graphs, and shape classification give students several ways to reason about equal groups and equal parts.

What you can study

Subjects for Grade 3

Geometry

Classify quadrilaterals and polygons by their attributes, connect area with multiplication, compare perimeter, and partition shapes into equal fractional regions.

Open Geometry →

Algebra

Represent multiplication and division with equations, solve for an unknown factor, and explain arithmetic patterns using properties of operations.

Lessons being added

Number & Operations

Multiply and divide within 100, round and add larger numbers, and understand unit fractions as numbers that belong on a number line.

Lessons being added

Measurement & Data

Tell time to the minute, estimate mass and liquid volume, measure area and perimeter, and solve practical problems involving each quantity.

Lessons being added

Statistics & Probability

Read scaled picture and bar graphs, make line plots with fractional measurements, and answer one- and two-step questions from collected data.

Lessons being added

Share this grade