In this lesson, students must become detectives to solve for the missing number in each subtraction problem. They will develop and use their powers of mathematical reasoning using number bonds to find differences.

Skip, skip, skip counting made fun! With this lesson that uses dot-to-dot worksheets and singing, students will be eager to participate in learning to skip count by fives and tens.

Students will skip with happiness as they practice counting by twos. This lesson will help prepare them to multiply numbers later.

Give your students visuals to support their understanding of skip counting. Use this lesson on its own or as a pre-lesson for Roll the Dice: Skip Counting by Fives.

Activate your students' observational skills by having them analyze a chart of the powers of ten! Use this lesson on its own or as support to the lesson Powers of 10.

This lesson is designed for fourth graders to practice their skills with the order of operations along with multiplying fractions and adding or subtracting decimals.

Challenge students to listen to instructions to create expressions with parentheses. Use this lesson on its own or as support to the lesson PEMDAS: Order Up.

Teach your students to calculate fractions of 100 using a number line model.

Help your students make a connection between numerical expressions and written phrases in word problems.

Celebrating the Chinese New Year is fun for family and friends! Use this lesson to teach your students some of the holiday's traditions and events as they practice solving word problems, which involve time and all four math operations.

Begin with the basics when teaching about equivalent fractions. This lesson utilizes visual models with written fractions to support your students as they match equivalent fractions.

Help your students create a basis for future math classes with this lesson that teaches children about math expressions and how they can interpret them.

Have students show their understanding of various operations within word problems in this lesson! Use this lesson as a standalone lesson or as support for the lesson Mixed Word Problems with RDW Strategy.

In this lesson, students will consider equations with fall pictures serving as the number value and decide which equations are true and which is a lie. The worksheets in this speaking and math lesson follow the Two Truths and One Lie game.

Let your students learn how to find the area of rectangular objects by doing hands-on activities. Your students will love finding the area of various rectangular objects around the classroom!

Practice calculating perimeter with the placement of carnival-themed games with given rectangular dimensions. Your students will use grid paper to determine the location of all the games they choose to make the perfect carnival.

Have your students evaluate orally and in writing what happens to expressions when there are two or more operations. Use this lesson as a standalone lesson or as support to the lesson Express Yourself.

Make math colorful! Teach your students to find the factors of a number using the factor rainbow strategy.

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.

Get your students comfortable with math conversations with this lesson on multiplying fractions by a whole number. It can be taught on its own or used as support for the lesson Fractions of a Whole.

Get your students talking about number patterns and rules with this introductory lesson on function tables. Use this lesson as a pre-lesson to Input and Output Boxes or teach it on its own.

You need the length and the width to find the area of a rectangle or square, but what if one piece of information is missing? Use this lesson alongside What's My Area? or on its own.

Grid puzzles are a terrific way to practice thinking about math! In this lesson, students are asked to solve addition grid puzzles and compare processes. Use it on its own or as support for the lesson Solving KenKen Puzzles.

Make sure your students understand the word problem before they begin to solve it! Use this as a stand alone lesson or a pre-lesson for Two-Step Word Problems with Mixed-Operations - Gamified!

Challenge your students to compare two methods for finding the least common multiple between two fractions. Use this lesson on its own or as support for the lesson Make It Work! Adding Fractions with Unlike Denominators.

In order to build a strong foundation with fractions, students should be able to explain the concept and their thinking. Use this as a stand alone lesson or as a pre-lesson for Let's Play Equivalent Fractions!

Facilitate rich math conversations with this lesson on finding the missing information in problems related to the area of rectangles and squares. It may be taught by itself or used as support to the lesson Finding Area: Furnishing A Room.

Get your students comfortable with discussing multiple strategies to solve subtraction problems with this lesson on two- and three-digit subtraction. It may be taught independently or as support for the lesson Subtraction with Regrouping.