Curated OER
Coin Carnival
Students investigate the value of coins. In this coin value lesson, students read The Penny Pot by Stuart Murphy. Students expand on skills learned in the book and engage in activities to determine the value of a mixed set of coins while...
National Security Agency
Borrowing from Our Neighbors
Young mathematicians explore two-digit subtraction. They will investigate multiple ways to subtract numbers involving regrouping. Resources are provided.
Curated OER
What's in the Bag?
Help your students identify the attributes of two-dimensional shapes. They read the book Round is a Mooncake, and use pattern blocks to sort shapes. Students sort shapes according to their attributes.
Curated OER
Subtraction with Regrouping Lesson Plan
Learners explore regrouping while subtracting. In this subtraction lesson, pupils manipulate base 10 blocks to demonstrate regrouping. Multiple resources are provided.
Curated OER
Odd and Even
Explore the concept of odd and even with your class using this resource. Learners take an online test demonstrating their knowledge of odd and even, sing a song about the concept, and engage in computer-based activities.
Curated OER
"ty" number
Second graders encounter the need to assess the code in English for tens is that the word ends in "-ty." They explore the meaning of two or three digit whole numbers to realize that the meaning of words like sixty can be decoded by...
Curated OER
3 dimensional shapes
Students play a bingo game to classify 3 dimensional shapes. In this 3 dimensional shapes lesson plan, students identify, describe, and classify shapes by playing a bingo game.
Pennsylvania Department of Education
Adding and Subtracting Three-Digit Numbers by Jumping
Second graders use data to graph information and draw conclusions. In this lesson on data analysis, 2nd graders practice gathering, sorting, comparing, and graphing data. Students differentiate data that can and cannot change over time.
Curated OER
Probability or Ability?
Students toss candy and coins using their non-dominant hand while their partners records the results on a probability charts.
Curated OER
Cube Combinations
Second graders, given 5 number cubes, roll the cubes and record the data.
CK-12 Foundation
Ck 12: Elem Math: Decomposing Decimals Into Place Values to Tenths
[Free Registration/Login may be required to access all resource tools.] The video discusses how to identify place value of digits in the ones and tenths place. The video is followed by practice problems to assess student understanding of...
CK-12 Foundation
Ck 12: Elem Math: Decomposing Decimals Into Place Values to Thousandths
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which digit is in the thousandths place value by breaking down every digit in the number according to the place value. The video...
CK-12 Foundation
Ck 12: Elem Math: Recognizing Place Value of Digits in Numbers
[Free Registration/Login may be required to access all resource tools.] The video shows up to the hundreds place and describes how to recognize the place value of a digit in a number. The video is followed by a series of practice...
CK-12 Foundation
Ck 12: Elem Math: Converting Words to Numbers Using Place Value
[Free Registration/Login may be required to access all resource tools.] The video shows how to use a place value model and change a number written in words to the correct numerical value. The video is followed by practice problems to...
CK-12 Foundation
Ck 12: Elem Math: Recognizing Place Value of Digits in Numbers Ii
[Free Registration/Login may be required to access all resource tools.] The video shows up to the thousands place and describes how to recognize the place value of a digit in a number. The video is followed by a series of practice...
CK-12 Foundation
Ck 12: Elem Math: Counting Cubes and Creating a Place Value Model
[Free Registration/Login may be required to access all resource tools.] The video shows how to count cubes and make a place value model with a number in the thousands. The video is followed by practice problems to assess student...
CK-12 Foundation
Ck 12: Elem Math: Number Puzzles Involving Place Value Numbers to 10000
[Free Registration/Login may be required to access all resource tools.] The video is a number puzzle using place value to determine the number described in the puzzle. The video is followed by a series of practice questions to assess...
CK-12 Foundation
Ck 12: Elem Math: Identifying Values of Digits
[Free Registration/Login may be required to access all resource tools.] The video reviews place value and shows how to determine the value of each digit in a number. The video is followed by a series of practice questions to assess...
CK-12 Foundation
Ck 12: Elem Math: Mixed Review Place Value Problems Numbers to 10000
[Free Registration/Login may be required to access all resource tools.] The video describes how to find the difference of two numbers with digits in the thousands place. The video is followed by a series of practice questions to assess...
CK-12 Foundation
Ck 12: Elem Math: Completing Expanded Forms Using Numbers and Words
[Free Registration/Login may be required to access all resource tools.] The video shows how to complete a number in expanded form using place value. The video is followed by practice problems to assess student understanding of the concept.
CK-12 Foundation
Ck 12: Elem Math: Comparing Digit Values in Numbers
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which number has a 9 in the tens place, discussing place value of digits. The video is followed by practice problems to assess...
CK-12 Foundation
Ck 12: Elem Math: Representing Numbers in Expanded Form Ii
[Free Registration/Login may be required to access all resource tools.] The video shows up to the thousands place and describes how to recognize the place value of a digit in a number. The video is followed by a series of practice...
CK-12 Foundation
Ck 12: Elem Math: Completing the Expanded Forms of Numbers
[Free Registration/Login may be required to access all resource tools.] The video describes how to break down a number into expanded form using place value. The video is followed by practice problems to assess student understanding of...
CK-12 Foundation
Ck 12: Elem Math: Comparing Digit Values in Numbers Numbers to 10000
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which number has a 5 in the tens place. The video is followed by practice problems to assess student understanding of the concept.