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 lesson, 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.
Key Stage Fun
Squeebles Addition & Subtraction
The math monster is at it again, this time stealing all the cars and drivers that were to take part in the cart race. If their addition and subtraction facts are up to the challenge, young mathematicians can win the drivers' freedom and...
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
Using Doubles
Bring this easy shortcut to your first grade addition lesson! By adding doubles (6+6, for example), and then adding or subtracting 1, kids learn how to solve simple addition problems with ease. This trick is especially helpful for...
Curated OER
Practice Adding
Challenge your first graders with 24 addition problems. The first section of problems use numbers from 5 to 64, while the second section contains problems adding three numbers together. The last few problems prompt young mathematicians...
Curated OER
Addition Practice
For this addition practice worksheet, learners 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
Addition to 20: Christmas Train
In this Christmas addition worksheet, students solve 4 problems in which objects in a set are counted and the numbers written to form an addition fact in a train shape. All pictures pertain to Christmas.
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
Fun Math Worksheet: 1-Digit Addition 5
In this addition practice instructional activity, students solve 15 problems that require them to add 1 or 2-digit numbers to 1-digit numbers.
Curated OER
Fun Math Worksheet: 1-Digit Addition 20
In this addition practice activity, students solve 15 problems that require them to add 1 or 2-digit numbers to 1-digit numbers.
Curated OER
Fun Math Worksheet: 1-Digit Addition 20
In this addition practice worksheet, students solve 15 problems that require them to add 1 or 2-digit numbers to 1-digit numbers.
Curated OER
Facts That Add to 5
In this addition worksheet, students write addition sentences that equal 5. Students use the 5 spaces surrounding the number four in the center of the graphic organizer and create equations with 5 as the sum.
Curated OER
Balancing Discoveries
Students 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
Students add numbers to ten. In this addition to ten instructional activity, students play the Ten frame interactive game to learn about addition and facts to number ten.
Curated OER
Making Numbers: Number Puzzles 1-20
In this number puzzle learning exercise, students use their addition and subtraction skills to solve 7 problems that require them to fill in the blanks in 7 addition sentences. An example is included.
Curated OER
The Math Lesson 9: Learning to Add
In this addition practice worksheet, students use their problem solving skills to solve 160 problems that require them to add using math counters.
Curated OER
Addition, Single Digit Doubles - #1
In this single digit addition practice activity, students solve 30 problems that require them to double single digit numbers.
Curated OER
Addition, Single Digit Double Plus One
In this adding single digit numbers worksheet, students solve 30 problems that require them to add single digit numbers one more than them.
Curated OER
Yummy Gummy Subtraction
Here is a quick 15 minute instructional activity 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...
Curated OER
Easter Eggs in a Basket - Sums to 18 (B)
In this single digit addition review worksheet, learners use their math skills to solve 20 problems that require them to add 1 digit numbers.
Curriculum Corner
Bugs and Flowers Math and Literacy Centers
The sun shines, flowers bloom, and bugs fly—it must be Spring! Add a cheerful theme of bugs and flowers to math and literacy centers. Scholars take part in an assortment of activities designed to reinforce concepts such as identifying...
Curated OER
Who's In The Fact Family?
Students study related addition and subtraction facts. For this math lesson, students use related addition and subtraction to solve problems. Students use manipulatives to explore fact families.
DK Publishing
Fishing for 10
Young counters will enjoy this beginning addition activity; they get to color as they go! For each set of 10 fish they color some green and leave some white. Then, they fill in the blanks to create an addition sentence with the sum of...