Addition and Inverse Operations

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Addition and Inverse Operations
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Assessment: Entering Second Grade Math
Assessment: Entering Second Grade Math
Exercise
Assessment: Entering Second Grade Math
Assessment: Entering Second Grade Math will help students practice this key first grade skill. Try our free exercises to build knowledge and confidence.
1st grade
Math
Exercise
Greater Than, Less Than, Equal To Game
Greater Than, Less Than, Equal To Game
Lesson Plan
Greater Than, Less Than, Equal To Game
Help your students make sense of the greater than, less than and equal to in this interactive lesson! Your students will have opportunities to compare either two-digit or three-digit numbers.
1st grade
Math
Lesson Plan
It's Pattern Time
It's Pattern Time
Lesson Plan
It's Pattern Time
Get those bodies moving and make some patterns. This lesson uses fine and gross motor skills to teach your students about AB patterns.
Preschool
Math
Lesson Plan
Place Value Party
Place Value Party
Lesson Plan
Place Value Party
Now that your first graders are able to count consecutively, introduce them to the tens and ones place values. Using tens and ones blocks will make math easy and fun for everyone!
1st grade
Math
Lesson Plan
Comparing Big and Small
Comparing Big and Small
Lesson Plan
Comparing Big and Small
Is that big or small? Help your students learn to sort big and small items with this hands-on lesson.
Preschool
Math
Lesson Plan
Shapes for Kindergarten!
Shapes for Kindergarten!
Lesson Plan
Shapes for Kindergarten!
Identifying shapes and colors will come easily to students after listening to songs, playing bingo, and coloring a worksheet!
Kindergarten
Math
Lesson Plan
Repeated Addition and Multiplication
Repeated Addition and Multiplication
Lesson Plan
Repeated Addition and Multiplication
Teach your students how repeated addition relates to multiplication. This lesson builds number sense and supports a conceptual understanding of multiplication.
3rd grade
Math
Lesson Plan
2-D Shapes
2-D Shapes
Lesson Plan
2-D Shapes
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.
2nd grade
Math
Lesson Plan
GEMDAS: Order of Operations
GEMDAS: Order of Operations
Lesson Plan
GEMDAS: Order of Operations
If your students understand PEMDAS and its role in the order of operations, GEMDAS will be a breeze. The “P” is replaced with a “G” to represent a wider range of grouping symbols.
5th grade
Math
Lesson Plan
Comparing Tall and Short
Comparing Tall and Short
Lesson Plan
Comparing Tall and Short
From skyscrapers to ants, comparing sizes with your class can be endlessly fun! This lesson will help your students compare short and tall sizes.
Preschool
Math
Lesson Plan
Simply Symmetry!
Simply Symmetry!
Lesson Plan
Simply Symmetry!
Symmetry is everywhere, but it's often hard to notice. This lesson explores a few ways to identify it. By folding and making mirror images for different shapes, students will discover a new world of symmetrical figures.
4th grade
Math
Lesson Plan
Heavier or Lighter?
Heavier or Lighter?
Lesson Plan
Heavier or Lighter?
Fill ‘em up! This lesson teaches students to compare how much different containers can hold. Get ready for some overflowing fun!
Kindergarten
Math
Lesson Plan
Skip Counting by Twos
Skip Counting by Twos
Lesson Plan
Skip Counting by Twos
Make counting fun with colorful counting bears. Students will learn that skip counting is faster than counting by ones. They will also come away from the lesson with ideas of when skip counting can be used.
1st grade
Math
Lesson Plan
Greater Than, Less Than: Comparing Three-Digit Numbers
Greater Than, Less Than: Comparing Three-Digit Numbers
Lesson Plan
Greater Than, Less Than: Comparing Three-Digit Numbers
In this lesson, your students will compare numbers to one thousand using place value charts and symbols. Your students will love practicing with numbers!
2nd grade
Math
Lesson Plan
Equivalent Fractions: Are They Equal?
Equivalent Fractions: Are They Equal?
Lesson Plan
Equivalent Fractions: Are They Equal?
If you can see it, you can achieve it! Use this lesson to teach your students how to use visuals to determine if two fractions are equivalent.
3rd grade
Math
Lesson Plan
Characteristics of Polygons
Characteristics of Polygons
Lesson Plan
Characteristics of Polygons
Bring on the polygons! Your students will build their understanding of polygons and sort shapes into categories based on their attributes in this lesson.
3rd grade
Math
Lesson Plan
Finding Fractions of a Set
Finding Fractions of a Set
Lesson Plan
Finding Fractions of a Set
This lesson will surely stick after students take part in an activity where they determine fractions of a set using colorful craft sticks.
3rd grade
Math
Lesson Plan
Fact Family Houses
Fact Family Houses
Worksheet
Fact Family Houses
This fact family worksheet gets kids to add and subtract. In this fact family worksheet, third graders will fill in the missing numbers in fact family houses.
1st grade
Math
Worksheet
Geometric Ideas
Geometric Ideas
Lesson Plan
Geometric Ideas
Geometry is everywhere! Lines, line segments, and points are all around. In this lesson, your students will learn about important aspects of geometry.
4th grade
Math
Lesson Plan
Goods and Services: On Market Street
Goods and Services: On Market Street
Lesson Plan
Goods and Services: On Market Street
Kids will enjoy hearing the story On Market Street as they become familiar with goods and services. From apples to zippers, students will understand how people buy goods, and how others provide services in our lives.
1st grade
Math
Lesson Plan
Using Regrouping to Add
Using Regrouping to Add
Lesson Plan
Using Regrouping to Add
Guide students to use base ten blocks to solve two-digit by one-digit addition problems with regrouping. This lesson can be used independently or paired with the lesson Adding it All Up.
2nd grade
Math
Lesson Plan
Let's Play Equivalent Fractions!
Let's Play Equivalent Fractions!
Lesson Plan
Let's Play Equivalent Fractions!
Fractions can be tricky, but looking at them visually can help your students understand them. This lesson will help students with equivalent fractions, number lines, and making real world connections.
3rd grade
Math
Lesson Plan
Finding the Area of a Rectangle
Finding the Area of a Rectangle
Lesson Plan
Finding the Area of a Rectangle
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!
3rd grade
Math
Lesson Plan
Number Bonds All Around
Number Bonds All Around
Worksheet
Number Bonds All Around
Number bonds are a great way for your kids to explore the relationship between addition and subtraction. By filling in the missing numbers, students get experience with fact families.
1st grade
Math
Worksheet
Multiply Decimals
Multiply Decimals
Lesson Plan
Multiply Decimals
Teach your students to multiply decimals using the standard algorithm.
5th grade
Math
Lesson Plan