Houghton Mifflin Harcourt
Addition and Subtraction Facts to 20
First graders act out number stories from number cards. In order to learn about addition and subtraction up to 20 instructional activity, learners become the manipulatives and line up to show the number stories.
Curated OER
Addition Facts to Ten
In this math worksheet, students learn to solve sums below 10. Students also learn the words "plus" and "sum" by solving 20 addition problems with words.
Illustrative Mathematics
Kiri's Mathematics Match Game
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...
Curated OER
Addition Practice
In this addition practice worksheet, students solve 18 problems that require them to add 1 or 2-digit numbers to 1-digit numbers with sums up to 20. A number line is provided.
Curated OER
Solve Story Problems: Sold! A Mathematics Adventure
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...
Curated OER
Balancing Discoveries
Learners use a balance to help them with their addition facts. In this addition lesson plan, students also play the seven up game to memorize their facts.
Curated OER
Ten Frame
Learners add numbers to ten. In this addition to ten lesson, students play the Ten frame interactive game to learn about addition and facts to number ten.
Curated OER
Yummy Gummy Subtraction
Here is a quick 15 minute lesson intended to introduce subtraction. Learners count and subtract gummy bears to complete 5 problems. The lessons suggest that the gummy bears can be saved and used the next day, but gummy bears get gross...
Curated OER
Who's In The Fact Family?
Students study related addition and subtraction facts. In this math lesson, students use related addition and subtraction to solve problems. Students use manipulatives to explore fact families.
Curated OER
the Whale Game
Students listen to whale stories and answer addition and subtraction problems in the stories. In this addition and subtraction lesson, students receive 20 goldfish. Based on the story they eat the goldfish. Students write number...
Curated OER
Book Title: Ten Flashing Fireflies
This instructional activity engages learners in a variety of activities to build 1 to 1 correspondence, estimation, and problem solving skills. They discuss problem solving strategies, hear the story Ten Flashing Fireflies, compose their...
Curated OER
The Process Of Addition
Students use manipulatives to explore the notation of addition and gain experience with independent practice. They demonstrate their knowledge by performing the operation on the board with magnets, on their own felt work mat then on...
Pennsylvania Department of Education
Links Away: Looking Back and Moving Forward
Students explore fact families. In this math lesson, students use links to model a fact family. Students solve addition and subtraction problems.
Curated OER
Combining Foods
Students explore addition. In this math lesson, students discover how addition and subtraction are related. Students model related addition and subtraction facts.
Curated OER
Ring Toss Math
Young mathematicians play Ring Toss Math to find sums and differences to 18. If you're looking for an engaging, in-class game to help reinforce these mathematical concepts, this lesson could be for you!
Curated OER
Everyday Math
Students discuss word problems involving time and money. In this mathematics lesson, students solve word problems as a class focusing on addition, subtraction, multiplication, and simple fractions. Students then make their own word...
Curated OER
How Many Under the Shell?
Children discover basic addition and subtraction facts. They play an online game in which they practice addition and subtraction facts. This could be a perfect computer lab activity for your students to engage in.
Curated OER
Balancing
Students use a balance to complete subtraction problems and weigh out the items they take away. In this subtraction lesson plan, students use a pan balance and record their equations.
Curated OER
Jelly Belly: What a Wonderful "Bean"!
Young scholars explore how jelly beans are produced. They discuss the origins of the jelly bean and view a video about how jelly beans are prepared, tested, shaped, finished, and shipped and estimate the amount of jelly beans in a jar...