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Do you want an interactive lesson that puts all the decision making in the palm of your students' hands? Supply and demand is a fun, interactive, and hands on activity that will help your students understand economics on a smaller scale.

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.

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.

Many students cringe when they see a subtraction problem with multiple zeros. The “Subtract One” strategy in this lesson involves reducing the top number by one to turn the 0 digits into 9’s and then adding the one back in at the end.

With this movement-integrated lesson, students will use their energy to practice three-digit addition on a number line! Part of this lesson is designed for the outdoors, but the activities can easily be brought inside on a rainy day.

In this lesson, students will add three-digit numbers using expanded form addition and standard algorithm addition. They'll explain their answers and highlight the steps for each of the strategies.

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.

Build your students' number sense regarding place value by facilitating discussion! Use this as a stand alone lesson or alongside *What is My Place Value?*

Give your students a head start in rounding with this fun lesson that gives them an easy trick to help them learn if they should round up or down to the nearest 10.

One million is a hard number for young children to grasp. This lesson will help students understand how large of a number one million is and what is represents.

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.*

Start your students on subtracting three-digit numbers with this lesson that breaks the problems down by place values!

Using base ten blocks, cards, and clear cups, your students will practice the concept of borrowing for subtraction problems in this lesson.

Make sure your students understand the word problem before they begin to solve it! Use this as a stand alone lesson or a pre-lesson for *Two-Step Word Problems with Mixed-Operations - Gamified!*

Can you break a ten? An everyday exchange of money can help students think about regrouping to subtract. Students will use bundled popsicle sticks to see how values grouped into tens can be regrouped into ones to allow us to subtract.

Master rounding and estimating skills by having students challenge their classmates in the Make a Big Difference game. Roll three dice two times to arrive at two three-digit numbers. The largest difference wins!

Help your students discover the power behind base ten drawings! Regrouping is a challenge for many students, but with this hands-on lesson, your students will be empowered with a new strategy to tackle difficult regrouping problems.

Get your students moving as they learn how to round whole numbers. In this lesson your students will use number lines and kinesthetic movement to practice rounding numbers to the nearest ten or hundred.

Teach your students to confidently follow the steps of regrouping in subtraction problems. Use this as a stand alone lesson or alongside *Regrouping with Popsicle Sticks: Double-Digit Subtraction*.