Curated OER
Developing Strategies for Addition and Subtraction
Primary graders develop strategies to assist them with addition and subtraction. They discover number combinations and numerical facts which enable them to add and subtract more effectively. Students use these techniques to complete...
Curated OER
Making a Ten
An addition table supports third graders as they learn strategies to improve their math fluency. When finding sums greater than ten, students are taught how to first make a ten and then add on the rest. A similar method is also...
Curated OER
Match the Number Sentence!
Matching number sentences to their visual equivalents may seem easy, but there is a trick here to keep your learners thinking about math properties. As they examine the numerical forms of six addition problems, they must utilize the...
Pennsylvania Department of Education
Multiplication Using Arrays
Explore the concept of multiplication by using arrays. Classmates use arrays to gain a better understanding of multiplication. They break arrays apart to model the distributive property of multiplication over addition. The relationship...
Illustrative Mathematics
3-D Shape Sort
From the apple on your desk and the coffee cup in your hand, to the cabinets along the classroom wall, basic three-dimensional shapes are found everywhere in the world around us. Introduce young mathematicians to the these common figures...
Homeschool Creations
Skip Counting
Young mathematicians hop, skip, and jump their way to a deeper number sense with the help of these printable handouts.
Curated OER
Representing Relationships with Equations
Students explore Cuisenaire Rods. In this pre-algebra lesson, students work with a partner to generate addition problems with the sum of ten using Cuisenaire Rods. Students construct examples of the Commutative Property using Cuisinaire...
Curated OER
Domain: Operations and Algebraic Thinking
Practice basic operations for young mathematicians in fun ways! Using two decks of cards (Ace through 10 plus the joker), learners play "memory" by matching numbers that can be added to make 10 and writing number sentences. In another...
Curated OER
Food Pyramid Power: Looking Back and Moving Forward
Students show their knowledge of properties of objects as it pertains to sorting and creating patterns. In this food pyramid power lesson, students show their ability to use whole numbers in different representations by appling...
ISTE
Macaroni Math - Unit Overview
It's not just for lunch, mini mathematicians make use of macaroni to model addition and subtraction of numbers up to 10. They place macaroni pieces on their desk and take away to model subtraction, then write subtraction story problems....
American Institute of Architects
Architecture: It's Elementary!—First Grade
Build an interest and appreciation for architecture in your young learners with this fun 10-lesson art unit. Engaging children in using their five senses, the class first observes the environment around them, paying special attention to...
Curated OER
Finding Sums to 6
Students explore the additive identity property where they add multiple numbers to get to the number 6. In this number 6 lesson plan, students also work on their addition charts.
Alabama Learning Exchange
Partying with Two/Three Digit Whole Numbers
Learners practice problem-solving with this addition activity. They plan a party for their class and another class by determining how many cupcakes are needed. Students draw a picture of how they determined the number of cupcakes.
Pennsylvania Department of Education
Adding and Subtracting Three-Digit Numbers by Jumping
Second graders use data to graph information and draw conclusions. In this instructional activity on data analysis, 2nd graders practice gathering, sorting, comparing, and graphing data. Students differentiate data that can and cannot...
Curated OER
Do it With Dominoes
Students explore modes for addition. In this K-2 mathematics instructional activity, students investigate the four models of addition (counting, sets, number line, and balanced equations) using dominoes. Students examine the...
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
Multiplication Stories
Second graders solve various multiplication math word problems involving cars and people, fish and fish bowls, and tables and table legs. They write and solve multiplication story problems related to whole numbers, addition, subtraction,...
Pennsylvania Department of Education
Comparing Sets
Students count back with cubes to model subtraction problems. For this subtraction lesson plan, students compare sets of problems and record their results in a table.
Pennsylvania Department of Education
Let's Learn Those Facts: Looking Back and Moving Forward
Students participate in an adding game. In this adding numbers instructional activity, students calculate the sum of the dice and remove a number from their activity sheet. Students who first removes the numbers is the winner.
Pennsylvania Department of Education
Links Away: Looking Back and Moving Forward
Pupils explore fact families. In this math lesson, students use links to model a fact family. Pupils solve addition and subtraction problems.
Curated OER
Number in Statistics
Second graders add two and three digit numbers. They are taught how to calculate the mean and the midpoint. Students are shown how to calculate symmetrical set of numbers. They are shown a model adding the same to each increases the...
Curated OER
Number in Geometry
Students use a number line to assist with their additions. They use a calculator to check for factors. Students are taught factors and multiples. They use array model of multiplication to define meaning. Students develop a wide range of...
Alabama Learning Exchange
Number Clues
Students practice problem solving. In this number identification lesson plan, students practice identifying numbers based on clues or characteristics given. They also work in groups to identify the clues for given numbers.
Curated OER
Arithmetic Artistry
Students create a classroom quilt that illustrates the many unique ways that students use math skills.