National Security Agency
Place Value for Primary Grades- A Place for Everything
Here is a phenomenal instructional activity on place value to the thousands place. Learners construct numbers and identify the value of each digit, investigate building numbers using craft sticks and paper plates, and complete other...
Scholastic
Adding and Subtracting Ten
Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...
Curated OER
Place Value
Second graders explore place value. In this math lesson plan, 2nd graders study place value of ones and tens. They will learn how many ones are in one ten and write numbers using more than one place value.
Curated OER
Place Value
Young scholars use various manipulatives and play a game to practice place value and to help them visually see how many "ten" is.
Curated OER
Ones and Tens
Students identify the relationship between ones and tens in place value. They use place value mats and straws to identify tens and ones and group the ones to represent tens. After writing and discussing the numbers 10 and 20 they...
Curated OER
Too Many Tens
Young scholars practice grouping in different ways by putting numbers up to 1,000 in the correct place value. In this place value lesson plan, students estimate items in a jar and then count them out by grouping them by 10s.
Curated OER
All About Money
Few topics engage young mathematicians as much as learning about money. Through a series of shared readings and hands-on activities, children explore the US currency system, learning how to count money and calculate change as they create...
Curated OER
Finding Sums to 6
Students explore the additive identity property where they add multiple numbers to get to the number 6. For this number 6 lesson plan, students also work on their addition charts.
Curated OER
Finding Addition Patterns
Students practice finding the sums of two-one digit numbers. In this addition lesson plan, students also record facts onto an addition chart.
Curated OER
Three-Digit Addition and Subtraction With Regrouping
Second graders access prior knowledge of addition and subtraction using two-digit numbers and calculate easily with them. In this three-digit addition instructional activity, 2nd graders learn to add and subtract three-digit numbers with...
Curated OER
Let's Trade
Second graders engage in a lesson which focuses on adding two-digit numbers and the regrouping process. They identify when the regrouping process is necessary and make appropriate "trades" to complete an addition problem.
Pennsylvania Department of Education
Some Special Sums
Students study addition. In this math lesson, students solve doubles and doubles plus one addition facts. Students roll dice and use the numbers to create addition problems.