K12 Reader
Alliteration: It’s a Zany Zoo!
Elephants eat and cheetahs chase in this zany zoo! Kids survey a list of ten animals before adding in an adjective and verb for each to form an alliterative phrase or sentence.
PHET
Area Model Decimals
Area works with decimals too. Pupils use the interactive to model multiplication of two decimals using an area model. They see how the decomposed components of the factors obtain partial products and then the complete product. Using area...
Curated OER
Storytelling in the Classroom
What makes story telling special? Young readers demonstrate how to tell a story to others. Kindergarteners, first graders, and second graders read biographies of "Building Blocks" characters and tell a story about a character to their...
Curated OER
Trading in Subtraction
Second graders solve two-digit subtraction problems without trades using counters and by modeling trades with base-ten blocks. They pair in groups and students open the "Counters Open Mat". Students are given a problem, such as: there...
Curated OER
Rounding Decimals
Fourth graders engage in a lesson that is about the concept of rounding decimals. They review place value and focus it upon the practice of rounding. Students use 10 base decimal grids or models to help make connections with the skill.
Curated OER
MathKeys Software "Unlocking Whole Numbers, Vol. 11(Place Value for Four Digit Numbers)"
Third graders explore the place values of four digit numbers by writing four digit numbers and examining the effects of rearranging the numbers' digits. They practice making their four digit number with base-ten blocks then rearrange the...
Curated OER
MathKeys Software "Unlocking Whole Numbers, Vol 2 (Rolling the Highest Number)"
Third graders arrange four numbers in order to make the highest number possible. In this place value lesson plan, 3rd graders practice working with four digit numbers on the computer and with base ten blocks.
Curated OER
Building Numbers
Fifth graders use place value clues to find a given number. In this place value lesson, 5th graders work with the MathKeys program using place value clues and base-ten blocks to build a number and determine its value.
Curated OER
Place Value
Fifth graders explore number meanings and their relationship. Using place value clues and base-ten blocks, 5th graders build a models of numbers and determine their value. To reinforce number relationship, students participate in a...
Curated OER
Developing the Concept Division
Students use manipulatives to explain the concept of dividing multi-digit numbers.
Curated OER
Positive and Negative Numbers
Pupils use blocks and markers to illustrate the processes of adding, subtracting, multiplying and dividing integers. In this mathematics lesson, learners use Algebra blocks to demonstrate multiplying polynomials.
Curated OER
Multiply 2-Digit Numbers by 1-Digit Numbers
In this multiplication worksheet, students solve the problems by multiplying 2-digit numbers by 1-digit numbers. Students use base ten blocks for help.
Curated OER
Skirmish Ball
Build character while playing a fun game. The class practices throwing and catching in this game, which is based on honesty and team work. Take a look at this lesson and see if your class is up to the task.
Curated OER
One- and Two-Digit Multiplication
Third graders multiply whole numbers by one- and two-digit numbers using base ten blocks and technology connection.
Curated OER
Roll `Em!
First graders engage in using base ten blocks and dice for a fun engaging math lesson. They use a worksheet imbedded in this lesson as the game board to help them play this math game.
Curated OER
Building Blocks and Healthy Snacks
Young scholars complete several activities to study healthy snacks. In this healthy diet instructional activity, students sing a song about healthy snacks. Young scholars then make a list of the healthy snacks in the song and vote for...
Curated OER
When is a Block, not a Block?
Students use a stamped shape image to create a piece of imaginative art. In this stamped art lesson, students use a stamped shape as a starting point to create their own imaginative piece of art that incorporates the stamped shape.
Curated OER
How Many Thousandths Are in Your Box?
Students identify the different place values. For this algebra lesson, students represent decimal place values with manipulatives. They identify the correct place value using commas and mathematical reasoning.
Curated OER
The New Kids on the Blog
Pupils consider the role of a critic by creating top ten lists for arts-related topics and participate in a simulated blog activity. They write newpaper articles to accompany their top ten lists and submit them for publication.
Curated OER
Investigation - Representing Place Value
Third graders demonstrate models to represent a 3 digit counting number. They use manipulative materials to represent place value in whole numbers. Students represent numbers in expanded notation.
Curated OER
Defining Division
Upper graders explore division through fair-shares. They will review fair shares and fractions as a segway into division. They start by playing "Share Fairly" game and create mathematical arguments for solving problems. Manipulatives and...
Curated OER
The Value of Volume
Students measure the perimeter and area of their polygons. In this geometry lesson, students calculate the volume and area using the correct tools. They calculate the time and temperature and the perimeter and side lengths of triangles.
Center for Math and Science Education
Solar System Launch
Trying to understand the vastness of outer space can be quite a challenge for young scientists. Help put things in perspective with this cross-curricular activity as students work in pairs creating scaled models of...
Curated OER
Subtracting With the Hundreds Place And Regrouping
Learners solve math problems involving subtracting with regrouping. They practice the steps for subtracting in the hundreds place with regrouping, through teacher guided practice. Independently, pupils complete story problems involving...