1st grade

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Topics

Place value
Addition and subtraction
Measurement and data
Geometry
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Staff picks

Relating addition and subtraction
Addition and subtraction word problems 1
Measuring length: golden statue
Intro to place value
Halves and fourths

Get Started

Numbers 0 to 120
Learn the numbers from 0 to 120.
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Place value

We will learn about the ones and tens place values and compare 2-digit numbers.
Numbers 0 to 120
Ones and tens
Comparing 2-digit numbers

Addition and subtraction

First, we will learn how addition and subtraction relate. Next, we will add and subtract numbers less than or equal to 20 and solve addition and subtraction word problems. Finally, we will begin adding 2-digit numbers.
Relate addition and subtraction
Addition within 20
Subtraction within 20
Equal sign
Missing number within 20
Word problems within 20
Word problems with "more" and "fewer"
Adding 1s and 10s
Intro to addition with 2-digit numbers

Measurement and data

First, we will compare objects by length and measure objects with same-size length units without gaps or overlaps. Next, we will read and interpret bar graphs. Finally, we will tell time on an analog clock to the nearest hour or half-hour.
Length and size
Bar graphs
Time

Geometry

First, we will identify circles, triangles, squares, rectangles, rhombuses, trapezoids, and hexagons. Then, we will break shapes into equal parts.
Shapes
Fractions of shapes
Community questions
Practice