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.  
Worksheet
Math Salamanders Ltd.

Place Value - Hundreds, Tens, and Ones - Count the Balloons

For Students 2nd - 3rd Standards
Second graders count the number of balloons represented in groups of hundreds, tens, and ones, then compose a three-digit number. There are three problems to solve.
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...
Lesson Plan
Curated OER

Playing with Tens and Ones

For Teachers 1st
First graders complete a number of activities that increase their number sense and use of simple operations. They use dice and worksheets to make two-digit numbers and to record them, they count by tens and ones, and order numbers using...
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...
Lesson Plan
Illustrative Mathematics

Roll & Build

For Teachers K - 2nd Standards
Develop young mathematicians' understanding of place value with this hands-on math activity. Working in pairs, learners take turns building two-digit numbers by rolling two ten-sided dice. Base ten blocks are then used to model the...
Lesson Plan
Curated OER

Ones and Tens

For Teachers 1st - 3rd
Students identify the relationship between ones and tens in place value. They use place value mats and straws to identify tens and ones and group the ones to represent tens. After writing and discussing the numbers 10 and 20 they...
Lesson Plan
Illustrative Mathematics

“Crossing the Decade” Concentration

For Teachers K - 2nd Standards
Young mathematicians concentrate on learning to fluently count. Following the rules of the classic game Memory, children take turns flipping over cards in order to find pairs of numbers that cross a decade (e.g. 29 and 30). For younger...
Worksheet
Math Worksheets Land

Add and Subtract Multi-Digit Whole Numbers

For Students 3rd - 5th Standards
Help young mathematicians see the value in addition and subtraction. Offering one addition and one subtraction problem, this worksheet walks students step-by-step through the solutions of each, starting in the ones place and working...
Lesson Plan
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Curated OER

Choral Counting I

For Teachers K Standards
Using a 100s chart or a number line with a pointer, work with your class to count up to 100 by ones and tens. As a part of daily instruction, prompt your kindergartners to chant count from 1 to 30. Move on to 1 to 50, and then from 1 to...
Lesson Plan
3
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School District of Palm Beach County

Egyptian Hieroglyphs

For Teachers 4th - 6th Standards
Humans have been developing number systems for thousands of years, and while they can be very different from one another, they can also share surprising similarities. Take your young mathematicians on a journey through the history...
Lesson Plan
Curated OER

Introduce Double-Digit Addition

For Teachers 3rd - 4th
Students generate a list of numbers then classify them into groups of single digit and double-digit numbers. After listening to a children's book about double-digit addition, they work with tens and ones blocks to solve double-digit...
Lesson Plan
Curated OER

Counting Seeds

For Teachers K - 2nd
Students practice skip counting strategies, estimation, and higher number addition. They estimate the number of seeds in bell pepper, and count seeds in groups of tens and ones after the teacher removes seeds from the pepper.
Lesson Plan
Curated OER

Counting, Properties of Numbers, and Reasoning about Numbers

For Teachers K - 3rd
Five days of lessons develop number sense and counting patterns, including odd and even numbers, 5s and 10s, doubles, and ways to make 10. Each session opens with fun finger play to reinforce counting and reasoning about numbers. Various...
Lesson Plan
Curated OER

Place Value - What Is the Value of the Place?

For Teachers 2nd Standards
Second graders build number sense in an activity that requires the matching of base 10 representations to numbers. It is the teachers responsibility to gauge student understanding and involvement while class members work in groups.
Lesson Plan
Curated OER

Comparing and Ordering Greater Numbers

For Teachers 3rd - 4th
Students compare and order greater numbers. In this place value lesson, students use a place-value chart to identify which set of numbers has the greatest value.
Lesson Plan
Curated OER

Popsicle Place Value

For Teachers K - 1st
Students use popsicle sticks to represent place value. They practice grouping the popsicle sticks in groups of tens and ones to represent numbers given by the teacher.
Lesson Plan
Curated OER

Regrouping Ten Ones for One Ten

For Teachers 2nd - 3rd
Students explore regrouping. In this hands-on math place value lesson, students construct models using connecting cubes and place value mats to solve simple addition problems that require regrouping.
Lesson Plan
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Laboratory for Atmospheric and Space Physics

Where Are We Going?

For Teachers 2nd - 6th Standards
Come take a ride on the space bus! Scholars go on an imaginary trip to pick up their peers from the inner and outer planets while reinforcing math skills. First, learners round decimals to identify each planets' distance from Earth....
Lesson Plan
Curated OER

Place Value

For Teachers 4th
Fourth graders play a game. In this place value lesson, 4th graders learn the place value of numbers and how to read them. Students work in groups to play a game to practice their place value skills. Students can also use the Internet to...
Lesson Plan
Curated OER

Expanded, Standard and Written Forms

For Teachers 2nd - 4th
Students explore expanded, standard, and written forms of numbers. In this number sense lesson plan, students examine the various ways of writing numbers as they complete a Venn diagram activity.
Lesson Plan
NTTI

Putting Together Ten

For Teachers 1st - 2nd Standards
Groups explore sets of 10 items in two varieties (i.e. 3 white buttons and 7 black ones, or 5 bears and 5 bunnies). They brainstorm about their objects, write math sentences to represent what they have, and report their discoveries...
Lesson Plan
Alabama Learning Exchange

Place Value Review

For Teachers 1st - 3rd Standards
Here is a fast-paced addition game which reinforces the concept of place values. Learners view a PowerPoint on place value, then engage in the game using a whole-class format. This is a stimulating, and interesting math game lesson.
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...