+
Organizer
K-5 Math Teaching Resources

Base Ten Mat (Tens and Ones)

For Students Pre-K - 2nd Standards
When working with base blocks, you need a base ten mat. Well, here it is! Organize your tens and ones using this mat to represent, count, and examine numbers. 
+
Activity
Houghton Mifflin Harcourt

Curious George Learns to Count

For Teachers K - 2nd Standards
The magic number is 100. A collection of fun activities, this guide provides educators with ideas for young mathematicians to practice counting to 100.
+
Worksheet
Curated OER

Counting in Tens

For Students 1st - 2nd
In this counting in tens worksheet, learners fill in blanks in rows of numbers, counting in tens. A reference website for additional resources is given.
+
Worksheet
Curated OER

Counting On In Tens

For Students K - 2nd
How can you start at 13 and end up at 43? By adding 10s of course! Kids complete 4 different number lines by adding 10s. Each line begins with a teen number and is 4 numbers long. An answer key is included.
+
Lesson Plan
Curated OER

Counting by Tens

For Teachers 1st
First graders listen to "One Is a Snail, Ten Is a Crab", a story about a crab with ten feet and counting by tens. They create their own crab to practice counting by tens to one hundred.
+
Lesson Plan
Primary National Strategy

Ordering and Counting

For Teachers K - 2nd Standards
Are you in need of a 5-day unit intended to teach little learners how to count to 20? This is a well-structured complete set of lessons which employ a variety of methods to instruct learners about various ways to count from 1 to 20. They...
+
Worksheet
Curated OER

A Model for Tens and Ones: Reading an Abacus

For Students K - 2nd
Interpreting pictures of an abacus, learners write 2-digit numbers. They read and transcribe abacus beads in the tens and ones places. For extension, they draw pictures to represent the numbers 9 and 90. Really bring it to life using a...
+
Lesson Plan
Curated OER

How Many Ways Can You Count?

For Teachers K - 1st
Youngsters chorally count to 100 by 1s, 2s, 5s, and 10s, and backwards from 20, using chip markers and a hundreds chart. Includes a printable chart and a teacher checklist for assessing mastery.
+
Lesson Plan
Curated OER

Jump on Tens

For Teachers K - 4th
Give the actors in your class a chance to shine as they act out skip-counting. In their roles, they take turns shouting out different number patterns and jumping when reaching the given goals set for each number family. A fun and...
+
Worksheet
Curated OER

Count by 5s, 10s, and 100s

For Students 1st - 2nd
There's an easier way to count! Scholars get practice counting by 5 and 10 in this skip-counting worksheet. There are 10 problems, and for each they observe a set of objects that have been grouped. Learners skip count to get a final...
+
Worksheet
Curated OER

Counting to 100: Step-by-Step

For Students K - 2nd
Introduce your pupils to the hundreds chart! This pair of worksheets is designed to walk them through the patterns they see in the chart as they count by ones and 10s. They fill in missing numbers on a hundreds chart, using guided steps....
+
Worksheet
Curated OER

One and Tens Place Value - Step-by-Step Lesson

For Students 1st - 3rd
Give your pupils a grasp of place value in a two-digit number. They see a drawing of counting cubes in a stick of ten, then examine a set of four. Mathematicians determine how many blocks there are by grouping the tens. Ideally, you will...
+
Worksheet
Curated OER

One and Tens Place Value

For Students 1st - 3rd
Counting is much easier when the objects are arranged in groups of 10! This place-value practice sheet helps young mathematicians grasp ones and tens place value through three exercises. First, they complete three missing addend...
+
Lesson Plan
Curated OER

Place Value Tens and Ones

For Teachers K - 1st
Students use manipulative to identify the ones and tens digit in a number, use pictorial representation to identify the ones and tens digit in a number and determine the value of a number given tens and ones.
+
Lesson Plan
Curated OER

An Easier Way to Count: Using Groups of 10

For Teachers 1st - 2nd
Learners explore their counting skills. In this counting lesson plan, students group objects in sets of 10 to practice counting them. Learners also practice graphing the sets of objects they count.  This lesson plan incorporates the use...
+
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.
+
Worksheet
Curated OER

Ones and Tens Place Value

For Students 1st - 3rd
As scholars examine place value, these exercises help them incorporate addition and grouping. First, they answer three missing-addend questions, each with 10 as the given addend. Because all of the missing numbers are single-digit, this...
+
Lesson Plan
Mixing in Math

Take Ten: Make Cleaning Up More Fun with Predictions and Counting

For Teachers K - 3rd Standards
Class members predict and count how many items need to be cleaned up in class while skip counting by 10s. They estimate whether having each child clean up 10 items will be enough to get the room ready for the next day. Everyone counts...
+
Worksheet
Curated OER

More Counting On In Tens

For Students 1st - 2nd
In this counting on activity, students count in tens from one given number to another and write how many tens they counted. A reference website is given.
+
Printables
Curriculum Corner

“I Can” Common Core! 1st Grade Math

For Teachers 1st Standards
Any first grader can master the Common Core math standards with this checklist! With each standard rewritten as an affirmative I can statement, children are provide with clear goals to work toward throughout the school year. Display an...
+
Worksheet
DK Publishing

Counting Caterpillars

For Students 1st - 2nd Standards
These caterpillars each have a number sequence printed on their segmented bodies, but some numbers are missing! Look at the completed caterpillars as an example, asking kids to notice a possible pattern. They should observe that the...
+
PPT
Curated OER

ONES and TENS

For Teachers 1st
Before you can teach place value or regroup, you need to provide students with a concrete idea of the definition of ones and tens. Here, ones and tens are defined and then shown several different ways in order to represent several...
+
Lesson Plan
Curated OER

Exercises: Counting by 10s

For Teachers 1st - 2nd Standards
You've found six problems sure to help your class understand adding tens and hundreds. First they fill in a chart by adding 10s, then they make 100 in different ways. They then use a hundred chart to complete three different patterns,...
+
Worksheet
Curated OER

Count by Tens

For Students K - 1st
In this early childhood counting worksheet, students practice their math skills as they count by 10s to solve 6 word problems.