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...
Illustrative Mathematics
Ten $10s Make $100
If ten $10s make $100, then how much money do twenty $10s make? Young bankers find the number of bills required to make base ten amounts in three different word problems.
Scholastic
Adding and Subtracting Ten
Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...
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.
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.
Beacon Learning Center
Ten Pins
Multiplying with multiples of 10, 100, and 1,000 provides an opportunity to discuss patterns that arise with zeros. The class uses these patterns to solve problems. Then they rotate through three work stations, including a computer-based...
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
Add It Up In Number Ville! Adding 2-Digit Numbers With and Without Regrouping
Students explore adding 2-digit numbers. In this math lesson, students identify 2-digit numbers and use base ten blocks to practice adding. Students use addition to break a code.
Curated OER
Ten Frame
Students add numbers to ten. In this addition to ten lesson, students play the Ten frame interactive game to learn about addition and facts to number ten.
Curated OER
Number Base Clocks
Young scholars investigate place value in base ten. In this number sense instructional activity, students participate in an online instructional activity at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to...
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...
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
Planetary Place Value
Third graders explore place value to the ten thousands place. This incredibly thorough, 24-page lesson has learners construct, order, and compare numbers to 9,999. This three-day lesson includes reteaching and extension activities...
Curated OER
Playing the Cards of Place Value
Third graders explore place value to the ten-thousands place. In this amazing, 21-page place value lesson, learners represent numbers in standard and expanded form, and use technology to represent numbers to 9,999.
Curated OER
Using Groups of Ten to Solve Problems
Upper graders solve math problems involving multiplication using specific strategies. They will use base-ten blocks, hundreds charts, and number lines to solve multiplication problems. Then they will practice several of the strategies...
Curated OER
Place Value of Whole Numbers Through One Million
Third graders construct numbers to the millions place. In this 30-page place value lesson, learners create numbers and evaluate the place value of digits. They explore standard and expanded form of numbers. An incredible resource!
Curated OER
Arkansas' Top Ten Events of the Century....Says Who? Why? Deciding What is Important in History
Middle and high schoolers work in small groups to compare four different lists published in the Arkansas Times newspaper which chose the "top ten" Arkansas news events of the 20th century. Learners look for similarities and differences...
Illustrative Mathematics
How Many Colored Pencils?
Support young mathematicians' interpretation of place value in order to multiply single-digit numbers by 10. The task builds upon and enhances a learners' understanding of place value, a second grade skill, while introducing them to...
Curated OER
Building Numbers to 50
Students explore how to represent numbers using cubes and draw them accordingly. They discuss place value and the base ten number system using manipulatives. Students roll a dice and take that many blocks. They write down their resulting...
Curated OER
Students' Strides
Complete problems using base ten blocks to see the difference in the place value of a decimal and how it affects a number's value. Learners compare decimal values as well. Ample time for discussion and modeling are allowed in the...
Illustrative Mathematics
Three Composing/Decomposing Problems
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...
Curated OER
Place Value & Picasso
Place value to the millions is the focus of this math lesson. Third and fourth graders investigate multiple ways to represent a number. They examine place value while studying factual information about Pablo Picasso. Resources are provided.
Curated OER
Multiplication: A Treasure Hunt to Two and Three Digit by One Digit Multiplication
Here is a math activity which has learners practice multiplying two and three digit numbers by one digit numbers. They discuss multiplication strategies and use those strategies to play a game.
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...