Double-digit trouble? No problem! Your students will practice their decomposing and regrouping skills in this lesson.

Teach your students to multiply a 3-digit factor by a 1-digit factor using base ten models and the standard algorithm.

Let's solve multi-digit division problems! Students will feel more confident with their division than ever with this lesson that helps them practice dividing multi-digit numbers.

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.

Help students gain a better understanding of three-digit numbers by providing students with opportunities to compare sets of three-digit numbers. Use as a stand-alone activity or alongside the lesson Building My Math Fluency.

Use this lesson to support students in learning how to write three-digit numbers as number names. This scaffolded EL lesson can be used alone or as a pre-lesson for All About Three-Digit Numbers.

This lesson helps students develop an ability to compare and contrast as they explore two strategies to solve three-digit addition problems. This EL Math lesson can be used alone or alongside Three-Digit Addition Strategies Review.

Use this lesson to review three-digit addition strategies including base-ten drawings, number lines, and the standard algorithm.

Students will get a chance to use multiple methods to compare three-digit numbers. They will also get practice using greater than and less than symbols to show their answers.

Introduce students to the quarter in this hands-on lesson. This is a great way to reinforce double digit addition.

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

Students will get to explore three-digit numbers through base-ten blocks and written form. Students will get plenty of practice identifying the place values of a number both individually and with the class.

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

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.

Double, double toil and trouble! Use two dice to roll up to 100 with one-digit sumations. In this lesson, students will play a place value game where they race to get to 100 by converting ones to tens.

In math, mistakes are welcome! This lesson helps your students identify and fix errors made while comparing three- to four-digit numbers. Teach the lesson on its own or as support to the lesson Let's Compare Whole Numbers!

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.

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.

What does it mean to expand a number? Use this lesson plan to help your students understand how to write the expanded form of two-digit numbers.

It’s time to learn a new strategy! Teach your students to use the partial quotients strategy to solve long division problems with one-digit divisors and no remainder.

Help your students understand place values with this lesson that catches their interest using a story book. Students will go one to play a riddle game both in a group and individually.

Facilitate an exploration and comparison of multiplication strategies for your students to see the variety of ways to solve the same problem. Use this lesson on its own or teach it prior to the lesson Multiplication: Musical Chairs.

Your students will go bonkers for bingo as they play this baffling multiplication game! Who will get five in a row first?

Students will learn a new spelling rule with a super silly name: the FLOSS rule! Explore double-letter one-syllable words using this fun lesson plan.

Name that hero! In this lesson, your students will practice adding two digit numbers together. They will get more comfortable adding bigger numbers together, making it easier to add three digit numbers later on.

Use this lesson to familiarize students with the place value of each digit within a three-digit number, along with practicing the written form of three-digit numbers. Use prior to teaching Place Value Hop or as a stand alone activity.

Help students use two strategies that will help them figure out which three-digit number is greater than, less than, or equal to another three-digit number. Use on its own or with Let's Compare! Place Value Disks & Three-Digit Numbers.

In this lesson, students will learn how to add a one-digit number to a two-digit number. This will help students build upon the skills needed for regrouping larger numbers.

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.

Guide students to use base ten blocks to solve two-digit by one-digit addition problems with regrouping. This lesson can be used independently or paired with the lesson Adding it All Up.