Curated OER
Playing the Cards of Place Value
Third graders explore place value to the ten-thousands place. In this amazing, 21-page place value lesson, learners represent numbers in standard and expanded form, and use technology to represent numbers to 9,999.
Illustrative Mathematics
Number of the Day
Daily routines not only help to manage classrooms, they can also provide students with rich opportunities for learning. This activity supports young learners in developing their number sense by counting up the school days on a class 100...
Curated OER
Subtraction with Regrouping Lesson Plan
Learners explore regrouping while subtracting. In this subtraction lesson plan, pupils manipulate base 10 blocks to demonstrate regrouping. Multiple resources are provided.
Curated OER
Place Value of Decimals to Hundredths: Diving for Decimals
Constructing decimals correctly is a crucial concept for elementary students to grasp. Here, have the young mathematicians in your class explore standard and expanded form while comparing decimal values. This unit is taught while...
Curated OER
Base Ten Blocks - Representing Numbers (E)
In this representing numbers activity, students find the value of each group of base ten blocks. Students solve 4 problems to help them learn how to represent numbers.
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
Number and Operations: Webbing Our Way Through Numbers
Second graders explore estimation and place value. In this place value activity, 2nd graders estimate and construct numbers while working with spider activities. Students use addition and subtraction to compare estimates. Resources and...
Curated OER
Represent Numbers, Joining, More/Less
Have your learners practice their simple addition and recognizing larger and smaller quantities with this fun and simple exercise. Counting apples is an entertaining way for them to show off their skills!
Curated OER
Expanded Form (D)
In this number form instructional activity, learners read the numbers in the thousands and write each number in expanded form. Students convert 12 numbers.