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.

Students put their understanding of one and 10 more to work as they write word problems for classmates to solve. This lesson plan can be used alone or with Picture Addition.

Let students stretch their problem solving skills in this lesson that teaches them how to solve problems where one-digit numbers are multiplied by multiples of 10.

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.

Ahoy there! Ready to sail with your students on a treasure map summary? What's that matey? Your students need practice with summaries? Then take a journey and summarize to find the hidden treasure.

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.

This scaffolded EL lesson will help your students fluently add within 20, while reinforcing parts of a whole. Use as a pre-lesson for Addition: Over in a Flash, or as a stand alone activity.

Help students use a 100 chart while discovering patterns of one more. This fun lesson will help students find connects between numbers and gain fluency with numbers within 100.

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.

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

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.

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

Your students will become junior math detectives as they hunt down the missing side of a rectangle by applying the area formula for rectangles. The only clues they have are the rectangle's area and the measure of one side.

Let your students explore different strategies to figure out the missing number in an equation. Use this lesson on its own or as a support lesson for Missing Numbers: Math Review.

Make a math mystery! In this lesson, help your students understand the relationship between addition and subtraction and how a missing addend word problem is represented with a number sentence.

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!

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 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.

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.

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.

In this lesson, students must become detectives to solve for the missing number in each subtraction problem. They will develop and use their powers of mathematical reasoning using number bonds to find differences.

Help your students fill in the missing links! With a focus on transitional words and conjunctions, your students will discover the links that will help them combine ideas in their writing.

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.

Students will get plenty of practice composing tens with ten frames to add to 20! Use this scaffolded EL Lesson alone or for more addition practice before teaching the Scavenger Hunt Addition lesson.

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.

Dive deep into using base-ten blocks to solve two-digit subtraction problems with regrouping. This lesson can be used independently or in conjuction with the lesson Double Trouble: Subtraction Practice.

Help your students practice place value with this fun, hands-on base-ten block game. Neighborhood block teams compete to win points as they work together to show expanded numbers.

Give your students a conceptual understanding of three-digit addition with this lesson focused on base-ten blocks and drawings.

Teach your students to draw an array using base ten notation to solve multiplication problems with two two-digit factors.

Expand on your students' knowledge of base ten numbers with this lesson that introduces the students to the place and value of digits within a number.