More or less? In this hands-on lesson, your students hone important fine motor skills and learn how to compare quantities.

Students will love learning about patterns of one less using puppets! This can be used as a stand alone or support lesson for the How Big is Your Tower? lesson plan.

Your students will learn when to use less than and greater than and how to differentiate the two symbols in this lesson. They will have fun playing the role of the Less Than and Greater Than alligators!

What first grader wouldn't want ten dollars? This lesson uses one and ten dollar bills to teach students place value concepts as they develop fluency adding multiples of 10. Use alone or with the lesson plan Ten Time.

Here comes the Ten Monster! Get ready to learn about subtracting tens in this hands-on lesson.

10 is an important number in math! In this lesson, your students will build an understanding of what 10 really means and the many ways to make 10.

Students will gain fluency with adding multiples of ten in this hands-on lesson that builds number sense.

Help students learn the academic vocabulary and symbols used to record the results of comparing two three-digit numbers. This lesson can be used as a stand-alone activity or prior to Greater Than, Less Than: Comparing Three-Digit Numbers.

Looking for a fun way to reinforce multiplication and area finding skills? This hands-on lesson gives students a chance to create their own multiplication equations by making rectangular models.

The number ten has lots of friends, and they often come in pairs! Your students will sing a song, enjoy a video, play a game, and work on matching number pairs that make ten!

In this lesson, students will find the perimeter of figures using cheese crackers. Next, they'll design a floor plan for their cheese cracker dream house, to help them practice and retain the formula for finding perimeter.

Build a solid foundation in number sense with this lesson all about the friendly number 10! Students will count with both fingers and base-ten blocks. This lesson can be used alone or with the lesson plan Place Value Concentration.

10, 20, 30, and up! In this lesson, students learn strategies for multiplying one-digit numbers by multiples of ten (10 through 90) through practice problems and playing a fun, hands-on game.

Teach your students to recognize patterns of zeros when multiplying by powers of 10 with exponents.

Activate your students' observational skills by having them analyze a chart of the powers of ten! Use this lesson on its own or as support to the lesson Powers of 10.

Help your students make sense of the greater than, less than and equal to in this interactive lesson! Your students will have opportunities to compare either two-digit or three-digit numbers.

Use this lesson to introduce the tool of base-ten blocks to your students. This scaffolded EL support lesson can be used as a stand-alone activity, or prior to teaching Three-Digit Addition with Base-Ten Models.

Build on students' understanding of the power of ten within multiplication to understand its effect within division. Use this as a standalone lesson or as support to the lesson Dividing Decimals by Powers of 10.

Facilitate rich math conversations with this lesson on finding the missing information in problems related to the area of rectangles and squares. It may be taught by itself or used as support to the lesson Finding Area: Furnishing A Room.

Help students gain confidence in recognizing multiples of 10 as they critique a flawed response. Use as a stand-alone scaffolded EL support lesson or prior to teaching Big Spenders.

Learning to quickly identify groups of 10 will be very helpful when your students begin working with multiple digit numbers. In this lesson, your students will work with manipulatives to make number pairs.

Dive deep into word problems with this lesson that teaches students to sketch base-ten blocks to add multiples of 10 and two-digit numbers. Use alone or with the lesson plan Let's Build It! Two-Digit Addition.

Get your students excited about money! Have them make connections between their prior knowledge of base-ten numerals and one, ten, and hundred dollar bills.

Roll some dice to introduce the early concepts of associative and commutative properties in addition by composing and decomposing 10. Worksheets and a quiz are included!

Make multiplying by powers of ten more accessible to your students by focusing on patterns in the number of zeros!

Let your students learn how to find the area of rectangular objects by doing hands-on activities. Your students will love finding the area of various rectangular objects around the classroom!

Students will practice mentally adding and subtracting 10 to multiples of 10 up to 100 by playing an all time favorite: BINGO! Use alone or alongside the lesson Subtracting From Multiples of 100.

Help your students become detail-oriented mathematicians as they explore two strategies for multiplying a one-digit number by a multiple of 10. Use this as a stand alone lesson or alongside Multiplying by Multiples of 10.

Your students will be able to divide decimal numbers by powers of 10 and explain decimal placement patterns in the quotient.

Get ready to break the piggy bank! Students will use dimes and pennies in this hands-on lesson to solve for 10 more or 10 less than a given number. This EL lesson can be used alone or with the lesson plan Math Mind Magic.