2nd grade

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Start from the basics
Learn the basics, starting with Hundreds
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Place value

We will learn about the ones, tens, and hundreds place values and compare 3-digit numbers.
Hundreds
Comparing 3-digit numbers

Addition and subtraction within 100

Learn to add and subtract two-digit numbers within 100.
Repeated addition
Adding 1s and 10s
Subtracting 1s and 10s
Intro to addition with 2-digit numbers
Intro to subtraction with 2-digit numbers
Strategies for adding and subtracting within 100
Addition within 100
Subtraction within 100
Word problems within 100
Word problems with "more" and "fewer" (within 100)
Skip-counting
Addition and subtraction missing value problems

Addition and subtraction within 1000

Learn to add and subtract two- and three-digit numbers within 1000.
Adding 1s, 10s, and 100s
Subtracting 1s, 10s, and 100s
Strategies for adding 2- and 3-digit numbers

Measurement and data

First, we will measure length using unit squares and rulers, compare and estimate length, and solve length word problems. Next, we will read and make picture graphs, bar graphs, and line plots. Finally, we will tell time on analog clocks and count U.S. coins and dollars.
Measuring length
Comparing and estimating length
Length word problems
Picture graphs
Bar graphs
Line plots
Time
Money

Geometry

First, we will identify quadrilaterals, pentagons, hexagons, and octagons. Then, we will break shapes into equal parts.
Shapes
Fractions of shapes
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Staff picks

Addition using groups of 10 and 100
Select strategies for adding within 100
Intro to line plots
Telling time (unlabeled clock)
Equal parts of circles and rectangles

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Hundreds
Learn to see three-digit numbers as hundreds, tens, and ones
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Community questions
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