Lesson Plan
Curated OER

Building Numbers

For Teachers 5th
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.
Lesson Plan
Curated OER

Place Value

For Teachers 2nd
Second graders use physical models to represent and demonstrate place value concepts by using base-ten blocks and hundreds charts. They compare numbers to see which number is smaller or larger and put numbers in order from smallest to...
Lesson Plan
Curated OER

Place Value

For Teachers 5th
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...
Worksheet
Curated OER

Math Review for Grade 4: Number Sense

For Teachers 4th
In this math review for grade 4 number sense worksheet, 4th graders answer 24 multiple choice question in standardized test format about number sense.
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.
Lesson Plan
Curated OER

One- and Two-Digit Multiplication

For Teachers 3rd
Third graders multiply whole numbers by one- and two-digit numbers using base ten blocks and technology connection.
Lesson Plan
Curated OER

Subtraction-There's Got to be An Easier Way!

For Teachers 3rd
Third graders observe and demonstrate a variety of problems involving subtraction problems using mental math strategies. They discuss the base ten system and the basic concept of subtraction, and complete a variety of activities...
Lesson Plan
Curated OER

Developing the Concept Division

For Teachers 4th - 6th
Learners use manipulatives to explain the concept of dividing multi-digit numbers.
Worksheet
Curated OER

Hundreds, Part Two

For Students 2nd - 5th
In this hundreds worksheet, students write the hundreds, tens, and ones that make up a number using base 10 blocks. Students complete 5 sets of problems.
Lesson Plan
Curated OER

What's in the Bag?

For Teachers 1st - 3rd
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.
Lesson Plan
Curated OER

Pattern Block Polygons

For Teachers 6th
Sixth graders create polygons. In this shapes activity, 6th graders explore prefixes such as oct, tri, quad, pent, etc. and share their findings. Students use pattern blocks to create two different polygons and label them.
Interactive
Curated OER

Addition and Subtraction

For Students 1st - 2nd
In this addition and subtraction worksheet, students enhance their addition and subtraction skills by completing the 42 problems.
Assessment
Illustrative Mathematics

Making 124

For Students 2nd Standards
How many ways can you make the number 124 using only tens and ones? Use a task that prompts young mathematicians to make 124 in as many ways as possible.
Lesson Plan
Curated OER

Place Value Made Simple

For Teachers 3rd - 5th Standards
Elementary schoolers explore place value to the millions place. They construct and evaluate the value of numbers. Working in small groups, pupils problem solve with pocket place value charts, and examine standard and expanded forms. This...
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...
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 activity, students use base 10 blocks as money and calculate how much money they have.
Worksheet
Curated OER

Multiply 2-Digit Numbers by 1-Digit Numbers

For Students 4th - 5th
In this multiplication worksheet, students solve the problems by multiplying 2-digit numbers by 1-digit numbers. Students use base ten blocks for help.
Handout
1
1
West Contra Costa Unified School District

Adding Numbers

For Students K - 6th Standards
Support math instruction at home with a helpful reference sheet designed for parents. Three pages cover the subject of addition with written details and labeled pictures. 
Lesson Plan
National Security Agency

Place Value - Butterflies Floating Place to Place

For Teachers 3rd Standards
Learn about butterflies and place value in a series of interdisciplinary lessons! With several worksheets that reference butterfly facts in word problems, kids can practice science and math in one activity. Additional worksheets are...
Printables
K-5 Math Teaching Resources

Math Center Labels

For Teachers Pre-K - 2nd
From counters and calculators to pattern blocks and Unifix cubes, this collection of printable labels has exactly what you need to bring some organization to your elementary math class.
Worksheet
Curated OER

Hundreds, Tens, Ones

For Students 2nd - 3rd
In this place values activity, students use the base ten blocks and the square unit blocks to find the hundreds, tens, and ones values places. Students also find the secret number for the 6 problems.
Printables
1
1
Houghton Mifflin Harcourt

Unit 5 Math Vocabulary Cards (Grade 5)

For Students 5th Standards
Reinforce math vocabulary with a set of flashcards. Twenty-two cards offer either a bold-faced word card or a corresponding definition card equipped with an example and labels. Terms include factor, repeating decimal, unit fraction,...
Assessment
Illustrative Mathematics

Saving Money 1

For Students 2nd Standards
How many days will it take Louis to save enough money for school supplies and new pair of shoes? Focus on Common Core math standards with a two-part task that involves a word problem and counting manipulatives.
Lesson Plan
Curated OER

Roll `Em!

For Teachers 1st
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.

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