Printables
K-5 Math Teaching Resources

Base Ten Cards (tens and ones)

For Students K - 2nd Standards
Strengthen your class's understanding of place value with this series of base-ten flash cards. Including illustrations representing a variety of numbers from 13 to 94, this resource can be used in many different ways...
Assessment
Illustrative Mathematics

How Many Days Until Summer Vacation?

For Students 2nd Standards
On the 124th day of school, young mathematicians are asked to find out how many days are left in the 180-day school year. The teacher version to the task offers several ways the problem can be solved, and can be used to guide...
Assessment
Illustrative Mathematics

Three Composing/Decomposing Problems

For Students 2nd Standards
Practice composing and decomposing numbers in base-ten using three word problems. Each problem presents a different scenario requiring learners to explain their thinking, find the number of ones, and find out different ways to make a...
Activity
West Contra Costa Unified School District

Division (No Remainders)

For Teachers 4th - 7th Standards
Help young mathematicians build a solid understanding of division with this base ten block activity. With the help of these popular math manipulatives, children model different math problems in order to reinforce the...
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...
Activity
Curated OER

K-5 Mathematics Module: Number and Number Sense

For Students K - 5th Standards
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency...
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,...
Lesson Plan
National Math + Science Initative

Introduction to Decimals

For Teachers 5th Standards
Three activities make up an introductory instructional activity 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...
Activity
Curated OER

Math Games for Skills and Concepts

For Teachers 2nd - 5th
A 27-page packet full of math games and activities builds on algebra, measurement, geometry, fractional, and graphing skills. Young mathematicians participate in math games collaboratively, promoting teamwork and skills practice.
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. 
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.
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...
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.
Assessment
Noyce Foundation

Boxes

For Teachers 6th Standards
Teach your class to think outside the box. Scholars use the concept of equality to solve a problem in the assessment task. They determine how to use a scale to identify the one box out of a set of nine boxes that is heavier than the others.
Lesson Plan
1
1
Texas Woman’s University

Patterns, Patterns Everywhere!

For Teachers Pre-K - 2nd
Not only is pattern recognition an essential skill for young children to develop, it's also a lot of fun to teach! Over the course of this lesson, class members participate in shared readings, perform small group...
Worksheet
Raytheon

Adding and Subtracting Decimals

For Students 5th - 7th
For this adding and subtracting decimals instructional activity, students add and subtract numbers with decimals in word problems. Students complete 12 word problems.
Interactive
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Base Ten Concentration [Pdf]

For Students 2nd - 3rd
Students determine if the base ten picture is the same as the two-digit number in this game of memory.
Interactive
ABCya

Ab Cya: Base Ten Fun

For Students Pre-K - 1st Standards
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.
Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Adding Tens to a 2 Digit Number [Pdf]

For Students 1st - 2nd Standards
Students will flip two cards over and determine the sum. Base ten blocks could be used for additional help.
Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Tens and One Game [Pdf]

For Students 1st - 2nd Standards
Students will explore place value using base ten blocks and following the given directions.
Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Make Ten Bundles [Pdf]

For Students K - 1st Standards
Students complete an activity by rolling a die and creating bundles of ten.
Interactive
Study Pad

Splash Learn: Common Core Math Standards 1.nbt.2.c

For Students K - 1st Standards
[Free Registration/Login Required] Learn the tens by choosing the correct answer in this game. Each question shows you a base-ten model and you choose which number it represents.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Turning Words Into Numbers Using a Place Value Diagram

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The interactive PLIX resource allows students to manipulate base ten blocks to observe how changing the value of each type of block affects the total, including...
Interactive
Study Pad

Splash Learn: Common Core Math Standards 1.nbt.6

For Students K - 1st Standards
[Free Registration/Login Required] Practice subtracting multiples of 10 with this online game! Choose the correct answer to the question to collect coins. Problems are shown using base ten blocks as examples or number sentences.