Second Grade Math

This page offers a variety of Grade 2 Math lessons which features topics aligned with the Common Core State Standards for Mathematics. In Second Grade Math, the key areas of focus include (1) extending understanding of base-ten notation; (2) building fluency with addition and subtraction; (3) using standard units of measure; and (4) describing and analyzing shapes.

The lessons are organized by topics which include addition facts and strategies, place value to 100, number concepts and patterns, two-digit addition, bar graphs, time, and such. To help students further understand each topic, explanation texts are available for reference.

Understand Addition
Basic addition concepts for grade 2 students

Count On
Learning how to count on to find the sum.

Double and Near Doubles
Learning about about using doubles and doubles plus one to find sums.

Algebra: Practice the Facts
Basic algebra facts for grade 2 students.

Algebra: Follow the Rules
Basic rules of additions: in vs out

Algebra: Add 3 Numbers
How add three numbers in two steps.

Understand Subtraction
Understanding the basic concept of subtraction.

Count Back
Learning to count back to find the difference between two numbers.

Algebra: Fact Family
Understaning number fact families and their relations.

Algebra: Think Addition to Subtract
Understanding the relationship between addition and subtraction.

Algebra: Missing Addends
Practicing missing addends in simple terms.

Tens
Learning the concept of ten.

Understand Place Value
Understanding place values in numbers and their importance.

Expanded Form
Learn how to express numbers in their expanded forms

Read and Write Numbers to 100
Practice the reading and writing of numbers up to 100.

Ordinal Numbers
Exploring the concept of ordinals and order.

Algebra: Compare Numbers: >, <, =
Learning the basics of number comparison.

Algebra: Order Numbers
Use number comparison to order a group of numbers.

Hands On: Even or Odd Numbers

Introducing the concept of odd and even.

Add on Multiples of 10

Practicing the addition by tens.

Regrouping for Addition
Learning the concept of regrouping as related to addition.

Model and Record 2-Digit Addition
Understanding how to model two digit addition.

Add 2-Digit Numbers
Practice the addition of two-digit numbers from learnt concepts.

Model 2-Digit Numbers Subtraction
Use modeling to subtract two digit numbers.

Subtract 2-Digit Numbers

Learn two-digit number subtraction using modeling.

Practice 2-Digit Subtraction
Practice two-digit number subtraction using modeling.

Read a Bar Graph
Learn the basics of reading bar graphs.

Make a Bar Graph
Leanr how to draw basic graphs from numbers.

Explore Minutes and Hours
Introducing the concept of time.

Time to 15 minutes
More time concepts up to fifteen minutes.

Time before the Hour
Practice time skills up to the hour.

A.M. and P.M.
Introducing the concept of day and the difference between AM and PM.

Identify Plane Figures
Introducing the concept of identity plane figures.

Algebra: Sort Plane Figure
Explaining how sort plane figures works.

Centimeter and Meter

Diviing into the world of dimenions and measurment.

Unit Fractions
Explaing unit fraction concepts.

Hands On: Compare Unit Fractions
Leaning how to compare unit fractions.

Other Fractions
Exploring how fraction concepts and skills.

Fractions Equal to 1
Understaning the relationship between fractions and whole numbers.

Hundreds
Exploring the concept of hundred and its relationship to other numbers.

Hundreds, Tens and Ones
Combine the knowledge of numbers and their relationships.

Understand Place Value
Advanced grade two place value skills.

Read and Write 3-Digit Numbers
Lean how to read and write three-digit numbers.

Algebra: Compare Numbers: >, <, =
More number comparison concepts.

Algebra: Order Numbers
Extending advanced comparison skills for sorting bigger numbers

Add on Multiples of 100
Learn how to add multiples of tens

Model 3-Digit Addition: Regroup Ones
Using regroup concepts of ones for additions.

Model 3-Digit Addition: Regroup Tens
Using regroup concepts of tens for additions.

Subtract Multiples of 100
Practice the subtraction of hundreds.

Model 3-Digit Subtraction: Regroup Tens
Using regrouping for subtraction skills.

Model 3-Digit Subtraction: Regroup Hundreds
Exploring the regrouping of hundreds for three digit subtraction.