K-5 Math Teaching Resources
Base Ten Cards (tens and ones)
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 to build the numbers...
Curated OER
Area Model of Multiplication Using Base 10 Manipulatives
Explore two-digit multiplication with your class as they work in groups to build models of two-digit multiplication using base 10 manipulatives. They construct rectangles replacing standard numbers with equivalent place values using the...
Curated OER
Tens and Units
Images of base ten blocks are used to reinforce counting past 10. Learners will count along, adding units to each 10 as they go from 10 to 30. Each number is shown on a 100 block, as blocks of 10s and 1s, and in numeric form as tens and...
Have Fun Teaching
Base 10 Blocks
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...
K-5 Math Teaching Resources
Base Ten Mat (Tens and Ones with Tens Frame)
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.
Curated OER
Hundreds, Tens, and Ones - Find the Secret Number
The class assess images of blocks to determine place value. They are given 6 images to assess, they write down the number of hundreds, tens, and ones shown, then compose the number they represent. The whole number each set of blocks...
Primary Junction
Adding Tens
Build on your learners' confidence in quick addition as they discover strategies to add tens to two-digit numbers. After reviewing counting by 10's, they discuss tactics to add multiples of 10 to other numbers. They visualize how to...
K-5 Math Teaching Resources
Base Ten Hundreds Flats (4 per Page)
Looking for a base 10 hundreds flat? Look no further! Here, you'll find four base 10 hundreds flats with space to write under each model.
Curated OER
Tens and Ones
In this tens and ones worksheet, students complete several exercises that help them learn value places and write numbers as tens and ones. Students complete 45 problems.
Curated OER
Hundreds, Tens, Ones
In this place values worksheet, students solve the six word problems using place value numbers in the ones, tens, and hundreds. Students use base ten blocks and square unit blocks to help them solve the problems.
Curated OER
Place Value Tens and Ones
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.
Illustrative Mathematics
Roll & Build
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...
K-5 Math Teaching Resources
Base Ten Mat (Tens and Ones)
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.
Curated OER
Understanding Place Value: Base Ten Models
As an overview of place value involving numbers in the hundreds, this resource would be incredibly beneficial. There are only a few examples, but the graphics make this concept come alive. In a lower grade classroom, this presentation...
Curated OER
Understanding Place Value, Up to 3-Digit Numbers
Work on place value and addition. Here is a resource that features different types of problems for your second graders to solve. After studying the example at the top of the page, they write the missing number in 12 addition problems....
Curated OER
Investigation - Who is Right?
Third graders investigate two mathematic scenarios and determine which is correct. They compare adding columns and places (such as the tens place, hundreds place, and so on) and familiarize themselves with how to add larger numbers.
Curated OER
Primary Understanding and Use of Place Value
Explore place value and regrouping with your class. They develop awareness of several ancient number systems and how they differ from the base ten system commonly used today. They play "Chip Trading" with partners to practice addition...
Curated OER
Read, Write, and Draw
Numbers come in many forms, and they often appeal to different types of leaners. Explore these forms through six place-value problems which have youngsters represent values numerically, in word form, and through base-ten blocks. They...
Curated OER
Base-ten Blocks
In this math worksheet, students cut out different illustrations of base-ten blocks. The blocks include ones, tens, and one-hundreds.
Curated OER
Base Ten Blocks - Rods and Flats (B)
For this using base ten blocks worksheet, students trade flats for groups of rods to solve the problems. Students solve 6 problems.
Curated OER
Seeing Numbers In Tens And Ones
Second graders develop the skill of place values up to the tens place. They practice identifying the values of 2 digit numbers and writing the correlating values with counting. They use the example of money to make the lesson more...
Curated OER
Multiplying By Whole Tens
For this multiplying worksheet, students count by tens, write the rule for multiplying by ten, and then multiply numbers by ten. Examples and explanations are given prior to the exercise. This two-page worksheet contains approximately 30...
Curated OER
Block Heads
Students demonstrate whole numbers through one thousand using base ten blocks. They model and describe given numbers using ten blocks.
Curated OER
Three-Digit Number: Hundreds Place
Looking at the image of two sets of base ten blocks, learners determine which represents the number shown. This process is fully explained just below the problem. Use for review or extra practice.