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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.

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.

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?*

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!

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.

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*.