Curated OER
Decimal Concepts
Fourth graders complete a journal page to review decimal concepts. In this decimal lesson, 4th graders use manipulatives to represent decimal amounts. Students complete a homework sheet related to decimal and fractional parts.
Curated OER
Subtraction Worksheets
Subtraction worksheets can be a useful way for students to practice necessary skills.
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.
Virginia Department of Education
Analyzing and Interpreting Statistics
Use measures of variance to compare and analyze data sets. Pupils match histograms of data sets to their respective statistical measures. They then use calculated statistics to further analyze groups of data and use the results to make...
Cornell University
Atomic Bonding
Explore the connection of surface area to bonding within atoms. Learners complete lab investigations to model changing surface area with different sizes and concentrations of atoms. A flour fireball demonstration follows the labs to...
Curated OER
2nd Grade Math
In this math worksheet, 2nd graders complete multiple choice questions about addition, subtraction, fractions, money, and more. Students complete 20 questions.
Curated OER
Connecting Algebraic Reasoning to Models
Students analyze relating a model to an algebraic equation and visa versa. Patterns are reviewed in detail and then in pairs new models are created and then translated into a word problem or equation. They illustrate their models on...
Curated OER
Prime Factors
Fifth graders review the concept of prime factorization. Then, they use the rules for divisibility and other notions to find the prime factorization of unfamiliar numbers. They solve problems in a whole class setting.
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.
Illustrative Mathematics
Illustrative Mathematics: Choral Counting
Using base ten blocks, students will develop the concept of ten more and ten less, moving from concrete representation to understanding of the unit of ten within ten more and ten less. Included is a detailed lesson plan with many...
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...
E-learning for Kids
E Learning for Kids: Math: Fisher Boat: Number: Count to 1000 and Money
On this interactive website students practice various math skills using a real life scenario on a fishing boat. Those skills include counting forwards by tens, reading three-digit numbers, and producing a three-digit number using base...
CK-12 Foundation
Ck 12: Elem Math: Counting Cubes and Creating a Place Value Diagram
[Free Registration/Login may be required to access all resource tools.] The PLIX interactive source allows students to use base ten blocks to explore place value and numbers in the hundreds. There is also a video that describes how to...
TES Global
Tes: Tens and Units Visualizing
[Free Registration/Login Required] Explore base ten by bundling ten crayons at a time and then counting groups of ten without counting each individual crayon.
Topmarks Online
Topmarks: Place Value Basketball
Place Value Basketball is a fun, base ten blocks game which helps young children to know what each digit in a either a two or three digit number represents. Immediate feedback is given.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kid's Big Numbers
Students practice place value of whole numbers using base ten blocks.