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Lesson Plan
Curated OER

Let's Count to 20

For Teachers Pre-K - 2nd
Budding mathematicians create groups of 10 to 20 objects using numerals to record the size of a group. They construct sets of numbers up to 10, write the numerals up to 10, and count up to 10 rationally. Students also use ten frames and...
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Lesson Plan
ESL Kid Stuff

Numbers 1-20

For Teachers 3rd - 9th
Language learners engage in a series of games and activities designed to help them recognize and name the numbers from ten to twenty.
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Lesson Plan
Curated OER

Exploring Numbers

For Teachers 3rd - 4th
Start this short plan by greeting your youngsters in Spanish. In this 15 or 20 minute lesson, you'll review numbers one through 10 before working on numbers up to 20. Use pictures to give learners something visual to count. If time, the...
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Lesson Plan
Houghton Mifflin Harcourt

Addition and Subtraction Facts to 20

For Teachers K - 2nd Standards
First graders act out number stories from number cards. In order to learn about addition and subtraction up to 20 lesson, learners become the manipulatives and line up to show the number stories.
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Worksheet
Helping with Math

Addition: Number Bonds to 20

For Students 1st - 3rd Standards
Pupils fill in the missing addend to an addition problem that adds up to 20. This number could be a one-digit or two-digit number. They complete a total of  41 missing addend problems. Answers are available.
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Worksheet
Math Worksheets Land

Add up to Four Two-Digit Numbers - Independent Practice Worksheet

For Students 1st - 2nd Standards
How many addends can you add up? Challenge your scholars to expand their skills by finding the sum of up to four addends in these 10 practice problems. All the numbers here are double-digit and learners will practice regrouping. This...
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Lesson Plan
Curated OER

Tens and Ones Fun

For Teachers K - 1st
Youngsters use their large motor skills to build numbers to 20 in this outdoor, kinesthetic, collaborative activity. Amass cardboard boxes for groups to stack, sort, and bundle into 10s and 1s to show numbers and place value. They'll...
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Interactive
Curated OER

Greatest Common Factor

For Students 3rd - 6th
In this greatest common factor worksheet, learners find the greatest common factor of 2 numbers that are up to 20. Students complete 10 problems.
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Lesson Plan
National Math + Science Initative

Introduction to Decimals

For Teachers 5th Standards
Three activities make up an introductory lesson designed to create a strong foundation in comparing fractions to decimals and exploring and building decimal models. Pupils brainstorm and complete a Venn diagram to show how decimals and...
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Lesson Plan
Illustrative Mathematics

$20 Dot Map

For Teachers K - 2nd Standards
Challenge the addition skills of young learners with this open-ended math problem. The task is simple, get from start to finish by connecting a series of three numbers. The trick is that the sum of the numbers must be less than or equal...
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Worksheet
Curated OER

Rounding Decimals, from Hundredths Place to Whole Numbers

For Students 3rd - 5th Standards
An efficient and straightforward decimals learning exercise! Young learners round amounts of money and measurements to the nearest dollar or meter. Each section contains 20 problems, making it easy to divide up this asignment into...
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Unit Plan
Curated OER

Curriculum Links To Numeracy

For Teachers 1st - 5th
Youngsters practice looking for the links to numeracy in their classes. This isn't a worksheet but a curriculum guide for an entire unit. Teachers can use any part of the resource to extend or inform their teaching practices related to...
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Lesson Plan
Curated OER

Goody Bags

For Teachers K Standards
Looking for Common Core math center ideas for your Kindergartners? This a great one that is easy to set up, change up, and can be individualized to the learning level of each child. Start with a collection of zippered plastic bags and...
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Lesson Plan
Illustrative Mathematics

Teen Go Fish

For Teachers Pre-K - 1st Standards
Kindergartners play the classic game Go Fish as they practice identifying numbers in the teens. A fun and engaging activity that develops number recognition skills in young learners. As added support, provide cards that include both the...
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Lesson Plan
Curated OER

Solve Story Problems: Sold! A Mathematics Adventure

For Teachers K - 2nd
Young mathematicians listen to the book Sold!: A Mathematics Adventure by Nathan Zimelman where they encounter ways to solve story problems. They then create and solve start unknown addition and subtraction equations. Resource builds in...
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Handout
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West Contra Costa Unified School District

Dividing Numbers

For Students 3rd - 6th Standards
Three pages make up a reference page designed to help parents understand the concept of division. Division strategies are showcased using detailed descriptions and labeled examples. 
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Lesson Plan
Curated OER

Lots of Lakes: Greater Than, Less Than

For Teachers K - 1st
To set up this activity, your class explores Minnesota's nickname as the Land of 10,000 Lakes, and the back of the state quarter that features a Minnesota lake. Young mathematicians compare the number 1 to the number 10,000 with support...
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Lesson Plan
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Laboratory for Atmospheric and Space Physics

Growing Up With A Mission

For Teachers 3rd - 6th Standards
New Horizons began its journey to Pluto in 2006. Ten years later, it continues its mission. In that time, scholars have surely grown, but how much more will they grow by the time New Horizons reaches its destination? Find out with an...
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Lesson Plan
Curated OER

Numeracy

For Teachers K
Students review numbers, number systems and the number operations through the use of online webpages.
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Lesson Plan
Illustrative Mathematics

Kiri's Mathematics Match Game

For Teachers K - 2nd Standards
Learning math is so much more fun when it involves playing games. Following the rules of the classic game Memory, young mathematicians flip over two cards at a time as they look for numbers whose sum or difference is equal to the value...
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Worksheet
DK Publishing

Sneaky Snakes: Missing Numbers

For Students K - 1st Standards
These sneaky snakes can help your kindergartners learn number sequence. Each snake has a number sequence up to 10 between their stripes, and kids write the numbers that are missing from the sequence. Some of the snakes begin at numbers...
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Worksheet
Curated OER

Adding Up

For Students 1st - 2nd
Sail through the land of three addends with this nautical-themed addition learning exercise. Scholars begin by using mental math to add seven sets of three numbers located on sailboats. Next, they apply this concept to eight horizontally...
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Lesson Plan
Curated OER

Whole Numbers

For Teachers 6th
A game is a great way to learn. Study what makes an integers, their traits, and characteristics. This lesson includes 3 separate activities intended to promote an understanding of integers, whole numbers, and opposites. The class is...
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Lesson Plan
West Contra Costa Unified School District

Solving Rational Equations

For Teachers 8th - 10th
Scholars first learn to solve two-step equations with fractional coefficients and constants by traditional methods and by clearing the denominator. They continue by learning another approach to solve two-step equations that have decimal...