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Subtraction will be practiced through the use of a number chart, creation of subtraction problems, and a worksheet.

Number Chart Subtraction

Practicing subtraction using a thermometer for a number line makes math fun! In this lesson, your students will get more comfortable with subtracting two digit numbers.

Thermometer Subtraction: Number Line Adventures

Use this lesson to support students in learning how to write three-digit numbers as number names. This scaffolded EL lesson can be used alone or as a pre-lesson for All About Three-Digit Numbers.

Writing Three-Digit Number Names

Practice finding unknown numbers in addition equations using fun and silly word problems.

What's That Number?

Help students discover how to show numbers in different ways while providing ample opportunities for students to contribute to conversations. Use as a pre-lesson to Let's Jump to Add Two-Digit Numbers or as a stand-alone lesson.

Exploring Number Forms

Use this lesson to support students in understanding the symbols used to record numbers. This lesson can be used alongside Comparing Three-Digit Numbers or as a standalone, scaffolded EL support lesson.

Which Number is the Greatest?

In this lesson, students will learn how to add a one-digit number to a two-digit number. This will help students build upon the skills needed for regrouping larger numbers.

Adding it All Up

Help students use two strategies that will help them figure out which three-digit number is greater than, less than, or equal to another three-digit number. Use on its own or with Let's Compare! Place Value Disks & Three-Digit Numbers.

Comparing Values

Use this lesson to review three-digit addition strategies including base-ten drawings, number lines, and the standard algorithm.

Three-Digit Addition Strategies Review

Give your students a great basis in mathematics with this lesson that has them use a number line to find differences for basic subtraction facts. 

What's the Difference?

Students will learn how to find the actual value of three-digit numbers with this activity that has them use manipulatives to create the expanded form of a number.

Place Value Tower

Make a math mystery! In this lesson, help your students understand the relationship between addition and subtraction and how a missing addend word problem is represented with a number sentence.

Mystery Addends: Representing Word Problems

Your students will “hop their way” into understanding place value with this fun and active game! In this lesson, they will learn that changing the order of the digits in a number changes its value.

Place Value Hop

Help your students unscramble the numbers using their knowledge of place value up to thousands! In this lesson, students will be able to see how numbers within a larger number have different values.

Unscramble the Place Value

Students will get to explore three-digit numbers through base-ten blocks and written form. Students will get plenty of practice identifying the place values of a number both individually and with the class.

All About Three-Digit Numbers

This lesson provides students with instruction in strategies based on number sense. Use this lesson alongside Show Me the Money: Understanding Value or as a stand-alone lesson. 

Purchasing Items and Making Change

In this lesson, your students will use repeated addition to find the total number of objects in arrays. This lesson will help your students build upon the skills needed to learn multiplication.


Up, Up, and Array

Use this hands-on lesson to encourage collaboration amongst students as they review base-ten numerals, number names, and expanded form. This lesson can be used as a pre-lesson to Base Ten Block Party or as a stand-alone activity.

Showing Numbers in Different Ways

Shape up your students' understanding of geometrical attributes with this hands-on math lesson. Students will gain a better understanding of how to describe a shape by the number of edges and vertices it has, rather than by its name.

2-D Shapes

This lesson provides students with practice as they find the missing parts of a whole and justify their reasoning. Use alongside the What's That Number lesson or alone as a support lesson for students.

What's the Value?

Use this lesson to familiarize students with the place value of each digit within a three-digit number, along with practicing the written form of three-digit numbers. Use prior to teaching Place Value Hop or as a stand alone activity.

Understanding Place Value

What exactly does the number 97 mean? How about 454? In this lesson, students explore how two-digit numbers are made up of tens and ones. Then they use this understanding to subtract numbers within 1000.

Break It Down

Geometry is a core of mathematics in the early years. Help students recognize and draw shapes given specific attributes such as the number of corners and sides. This lesson can be a stand-alone activity of paired with 2-D Shapes!

Sides, Corners, and More, Oh My!

Engage students in comparing three-digit numbers by playing a fun game. Through this lesson, students will gain hands-on experience with using their knowledge of place value to compare numbers. 


Making Bigger & Smaller Numbers

Dive into understanding place value by using place value disks to represent and compare numbers. 

Let’s Compare! Place Value Disks & Three-Digit Numbers

Students will get a chance to use multiple methods to compare three-digit numbers. They will also get practice using greater than and less than symbols to show their answers. 

Comparing Three-Digit Numbers

Irregular verbs do not follow the same rules as other verbs. Use this lesson to teach your scholars how to form the past tense of irregular verbs and correctly use them in context.

Irregular Verbs in Context

Second graders will love choosing from their tricky word activity menu as they practice reading and spelling irregularly spelled sight words. 

Tricky Patterns

Strong place value recognition is a necessity to order, estimate, round, and check for the accuracy of numbers. In this lesson, students will compare and order numbers using what they know about place value.

Popping Into Place Value

It is important for students to gain a better understanding of different ways to write numbers. In this lesson, your students will practice seeing numbers in various ways to help them comprehend the meaning of numbers.

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