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Unit Plan
College of William and Mary

Decimal Operations Using Base 10 Blocks

For Teachers 4th - 6th Standards
Let's get this block party started and learn about decimals! Here are four main lessons that teach the operations with decimals while using base 10 blocks to provide a hands-on learning approach. Supplemental worksheets and other...
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Printables
Have Fun Teaching

Base 10 Blocks

For Teachers Pre-K - 4th Standards
Base ten blocks are a great tool for teaching young mathematicians about a number of math concepts, unfortunately they aren't always available to teachers. That is, until now. This printable resource allows all children the opportunity...
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Interactive
CK-12 Foundation

Decimals as Mixed Numbers

For Students 6th - 8th Standards
A five-question interactive boosts scholars' knowledge of decimals and mixed numbers. Moveable base 10 blocks assist mathematicians in answering a series of multiple-choice and true or false questions. A discussion concludes the practice. 
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Lesson Plan
National Math + Science Initative

Introduction to Decimals

For Teachers 5th Standards
Three activities make up an introductory lesson designed to create a strong foundation in comparing fractions to decimals and exploring and building decimal models. Pupils brainstorm and complete a Venn diagram to show how decimals and...
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Lesson Plan
Curated OER

Subtraction with Regrouping Lesson Plan

For Teachers 2nd - 4th
Learners explore regrouping while subtracting. In this subtraction lesson, pupils manipulate base 10 blocks to demonstrate regrouping. Multiple resources are provided.
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Lesson Plan
Curated OER

Multiplication Word Problems Using Different Representations

For Teachers 3rd - 6th
Students solve multiplication word problems by using base 10 blocks and drawing pictures. In this multiplication lesson plan, students also write a reflection of their work.
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Worksheet
Curated OER

Base Ten Blocks—Counting Rods (C)

For Students K - 2nd
In this base 10 blocks math worksheet, students use their counting skills to solve 4 problems that require them to find the values of sets of rods.
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Worksheet
Curated OER

Base Ten Blocks—Counting Rods (D)

For Students K - 2nd
In this base 10 blocks math worksheet, students use their counting skills to solve 4 problems that require them to find the values of sets of rods.
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Worksheet
Curated OER

Base Ten Blocks—Counting Rods

For Students K - 2nd
In this base 10 blocks math worksheet, students use their counting skills to solve 4 problems that require them to find the values of sets of rods.
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Worksheet
Curated OER

Base Ten Blocks—Counting Units (E)

For Students K - 2nd
In this base 10 blocks math worksheet, students use their counting skills to solve 8 problems that require them to find the values of the units in each of the groups.
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Lesson Plan
Curated OER

Counting with Base - Ten Models

For Teachers 1st - 2nd
Help your kids develop strategies for counting. In this base-ten lesson, learners use matching cards, base 10 blocks, and dry erase markers and boards to examine the base 10 counting system.
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Organizer
K-5 Math Teaching Resources

Base Ten Mat (Tens and Ones with Tens Frame)

For Students K - 2nd Standards
Working with base 10 blocks? Use this base 10 mat to organize blocks, tens and ones with one ten frame, and determine how many groups of blocks can be used to represent numbers.  
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Lesson Plan
Curated OER

Multiplication Magic

For Teachers 4th - 5th
Investigate multiplication problem solving strategies by working with base 10 blocks. Learners decompose problems with a Merlin the Magician theme. Multiple resources are provided.
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Lesson Plan
Curated OER

Representing Fractions, Decimals, and Percents

For Teachers 5th - 7th
In this fractions, decimals, and percents lessons, students explore various methods of representing fractions. They demonstrate situations that represent rational numbers. Students create a foldable exploring fractions, decimals and...
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Worksheet
DK Publishing

Cubes of Small Numbers

For Students 5th - 6th Standards
Now that geometers know how to solve for square units, can they solve for cubed units? Explore this concept as scholars examine four cubes to solve for volume in each. A detailed example explains this process, but you may consider asking...
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Lesson Plan
National Security Agency

Place Value for Primary Grades- A Place for Everything

For Teachers 2nd - 3rd Standards
Here is a phenomenal lesson 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 meaningful place...
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Worksheet
Curated OER

Reading and Writing Numbers up to Thousands

For Students 2nd - 5th
Budding math analyists look at 4-digit numbers that are broken down by thousands, hundreds, tens and units. They write each number in words and represent them using their unifix cubes of base 10 blocks. There are two problems to complete...
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Worksheet
Curated OER

Addition: Equation to 10 (Missing Addend)

For Students 1st - 2nd
Use this worksheet as a way to solve missing addneds up to 10. Learners are given base 10 blocks and make number sentences by completing 16 missing addend number sentences. The structure of each problem is similar to a factor tree and...
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Worksheet
Curated OER

Place Value Blocks

For Students 2nd - 4th
Flats, rods, and units are used to show what place value actually represents. Learners assess each image, writes the number of flats, rods, and units displayed then write the whole number each image represents. There are 5 problems to...
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Lesson Planet Article
Curated OER

Place Value Lessons

For Teachers 2nd - 3rd Standards
Students can learn about place value using interesting lessons, activities, and games.
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Lesson Plan
Curated OER

Mathematics Lesson Plan

For Teachers 2nd
Second graders study subtraction facts. In this mathematics instructional activity, 2nd graders discuss how to solve two digit subtraction problems. Students recognize that there are many different methods or strategies one can use such...
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Lesson Plan
Curated OER

Number and Operations- Using Gift Certificates

For Teachers 5th - 6th
Students apply number and operation skills to learn how to spend a gift certificate. In this mathematical reasoning lesson, students use base 10 blocks as money and calculate how much money they have.
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Activity
Math Learning Center

Grade 1 Supplement Set A5 – Number and Operations: Place Value

For Teachers 1st Standards
First graders work together to sort, categorize, and order collections of objects through activities that help build number sense. 
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Interactive
PHET

Area Model Decimals

For Students 5th Standards
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...

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