Curated OER
Hands On: Model Numbers
In this addition and subtraction practice worksheet, students sharpen their problem solving skills as they solve 6 story problems using number models.
Curated OER
Number Sense
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Curated OER
Mathematics: One Hundred Plastic Ants
Third graders pick up plastic ants scattered on the floor. They take them back to their desks, count them, and add their totals to those of other students.
Curated OER
The 1 That Got Away
Students explore number properties. They using multilink blocks to explore doubling of the numbers and explore the patterns to investigate 2 to the power of n and how it is written. In addition, they usse the 100s board, number line and...
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.
Raytheon
Adding and Subtracting Decimals
For this adding and subtracting decimals instructional activity, learners add and subtract numbers with decimals in word problems. Students complete 12 word problems.
Curated OER
Using Electronic Manipulatives in Multiplication
Factor polynomials using electronic manipulatives. Your class will create a spreadsheet in excel and use it to multiply and perform basic operations and solve problems correctly. They create a visual to go along with each multiplication...
Curated OER
Solving Problems
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation lesson, 2nd graders solve real life problems to understand estimation and money problems.
Cornell University
Constructing and Visualizing Topographic Profiles
Militaries throughout history have used topography information to plan strategies, yet many pupils today don't understand it. Scholars use Legos and a contour gauge to understand how to construct and visualize topographic profiles. This...
Curated OER
Subtraction Shopping
Students subtract two digit numbers. They check each other's answers for accuracy.
Curated OER
I'll Have an Order of Subtraction Please!
Students explore number values by completing consumer math worksheets. In this math functions lesson, students identify the use of a decimal in numbers and the place values that are represented when dealing with money. Students complete...
Curated OER
EZ Encaustics
Have your class design a piece of art work using a canvas panel and wax. Learners employ a Greek process of art design popular in the fifth century to create their works. This is a great way to incorporate history into an art lesson.
Curated OER
How Many Ways?
Second graders develop number sense. In this number sense lesson, 2nd graders use multiple ways to represent numbers including written numerals, tally marks and manipulatives. Students correctly use place value to the thousands place.
Curated OER
The Miracle Fish: Learning to Design an Experiment
Learners develop procedures to explore the behavior of fish. In this scientific experiment lesson students from a hypothesis, write a question, identify different variables and controls in their experiment.
Curated OER
Constructing My Sundae
Eighth graders investigate concepts related to fractions. This includes adding, subtracting, and reducing. There is a creative worksheet that has them creating their own ice cream sundaes using fractions.
ABCya
Ab Cya: Base Ten Blocks
ABCya! Base Ten Blocks virtual manipulatives is to help students learn mathematical concepts including addition, subtraction, number sense, place value and counting.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: 2 Digit Addition Trains [Pdf]
An activity to practice addition. Materials needed include cuisenaire rods (or Base 10 blocks) and numeral cards (0-9).
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Base Ten Bag: Addition [Pdf]
Experimenting with addition. Materials needed :Base 10 blocks (12 tens and 12 ones), paper bag and a die.
ABCya
Ab Cya: Base Ten Fun
Base Ten Fun is an educational virtual manipulatives activity for kids learning place value, addition and subtraction. Base Ten Fun is highly customizable; kids can select from ones, tens and hundreds.
George Mason University
Lesson Plans: Whole Number Algorithms Base Ten Blocks
Brief lesson plans that show how to use base ten blocks to do all four operations and a little bit of algebra.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Adding Tens to a 2 Digit Number [Pdf]
Students will flip two cards over and determine the sum. Base ten blocks could be used for additional help.
ABCya
Ab Cya: Base Ten Bingo
Base Ten BINGO is a fun educational learning activity for children to practice counting by one's, ten's, hundred's and thousand's. First children select the desired place value and grid size. Next, add up the blocks on the right and...
ClassFlow
Class Flow: To Regroup or Not to Regroup, That Is the Question
[Free Registration/Login Required] Given base ten blocks and 5 addition problems, the students will demonstrate understanding of the base ten system by choosing to regroup when needed 100 % of the time, with or without visual...
Other
Nearpod: Place Value: Fall Edition
For this lesson, young scholars will use base ten blocks and a place value chart to show their understanding of two-digit and three-digit numbers. They will also use place value to compare numbers.