Education Development Center
Thinking Things Through Thoroughly
Problem solving is a skill of its own. Learners use a variety of problems to encourage mental math and logic to get the correct answer. Guiding questions are provided along the way to encourage the right way of thinking to help tackle...
Illustrative Mathematics
Boys and Girls, Variation 2
How many ways can you make the number 9? Use a task that has pupils thinking about the many different ways a classroom of nine can be made up of boys and girls.
Curated OER
Two-Digit Addition With Regrouping
Second graders practice two-digit addition with regrouping. In this addition lesson, 2nd graders use craft sticks to solve two-digit regrouping problems. Students solve problems on the chalkboard.
Curated OER
Addition
In this addition activity, learners enhance their simple addition skills using addition strategies to solve the two worksheets of addition problems.
Curated OER
Adding Integers with Two Colour Counters
Students use the zero principle to add integers. In this algebra lesson, students add positive and negative integers verifying the zero principle. They use manipulatives to help them see how opposites can cancel each other out.
Curated OER
Beginning Addition
Students examine the concept of addition by adding two one-digit numbers whose sum is less than ten. They count and add goldfish crackers together, chorally repeating each problem.
Curated OER
Addition Properties and Subtraction Rules
In this addition and subtraction learning exercise, students review the addition properties and the subtraction rules. Students then complete each number sentence and tell which property or rule was used.
Curated OER
Math Match Up!
Help learners solve problems using multiplication and repeated addition. Using counters, learners will be paired up to solve problems. They will go through a series of questions and show models with the counters for the solution. Then...
Curated OER
Addition And Subtraction of Decimals
Learners participate in a lesson of adding and subtracting decimals. They should review place values with decimals before beginning the lesson. The lesson plan also includes sample problems for the teacher to use in direct instruction....
Curated OER
Rooster's Off to See the World
Young learners listen to the book Rooster's Off to See the World, and complete simple math activities using the book. In this simple math lesson, students read and list the animals in the book. They arrange animal picture squares using...
Curated OER
So Many Cats!
First graders listen to the book, So Many Cats, and discuss the number of cats in the story. They demonstrate simple addition problems using cat counters and a work mat in the shape of a house.
Curated OER
Dance, Dance, Dance
Use dance and song to help your charges in adding whole numbers to 10. In this adding to 10 lesson, learners become the manipulatives as you add them.
Curated OER
Shasta Dam: How High is Too High?
Research water use in California, environmental protection laws, and the proposition to raise Shasta Dam by 200 feet. Researchers use their findings to build an argument which will be presented at a mock decision panel. Groups then...
Curated OER
Energy Plus!
This lesson seems pretty advanced for K-2nd graders, but there are some pieces that can be used with young learners. Look through this comprehensive, fact-filled lesson and pull out information and activities that you can adapt to fit...
Curated OER
Math computation
The lesson says it is intended for 4th grade but it is suitable for grades 1-3 as well. The class discusses what it means to add, the commutative property of addition, and mathematical reasoning. This is an exercise in number sense,...
Illustrative Mathematics
A Bobbie Bear's Buttons
Young mathematicians help Bobbie Bear pick colored buttons out of a box as they learn how to decompose numbers less than 10 into pairs of smaller numbers. To support students with the process, consider creating a worksheet or graphic...
State of Michigan
Pre-K Mathematics
Kick-start children's education with this pre-school math unit. Offering 31 different hands-on learning activities that develop young mathematicians' pattern and shape recognition, basic number sense, and much more, this is a...
Houghton Mifflin Harcourt
Unit 2 Math Vocabulary Cards (Grade 3)
A set of third grade math vocabulary cards include topics that range from addition properties to terms like estimate and fact family. Each sheet has two cards on it. The top half is the word printed in bold text,...
West Contra Costa Unified School District
Divisibility Rules Justified
How do you know if a number is divisible? Instructors first prove the divisibility rules for three and four and then class members use this modeling to prove given divisibility rules for eight and nine either individually or in...
K5 Learning
Mixed Practice Word Problems #6
Nine questions make up a mixed practice instructional activity. The word problems require scholars to show what they know about money, addition, subtraction, multiplication, and division using numbers up to 5,300.
K5 Learning
Mixed Practice Word Problems #7
Five questions make up a mixed practice worksheet. Pupils use their skills in addition, subtraction, and multiplication to answer word problems consisting of numbers up to 130.
K5 Learning
Mixed Practice Word Problems #3
Seven word problems make up this mixed practice worksheet. Learners perform operations of addition and subtraction to solve problems using numbers up to 2,800.
K5 Learning
Mixed Practice Word Problems #11
Reinforce math concepts with a mixed practice worksheet. Scholars use their knowledge of addition, subtraction, and working with money to solve five word problems.
Curriculum Corner
Number Family Practice Page
Using their knowledge of the associative and commutative properties of addition, class members work with fact families to create two addition and two subtraction problems with three given numbers.