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

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!

Your students will be rounding decimals like pros after this fun lesson that teaches how to round numbers with decimals to a given place.

This lesson helps students review rounding to the nearest hundred. Your students will practice rounding using manipulatives.

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!

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.

It's rounding time. Help young mathematicians learn to round to the nearest ten and hundred with this teacher-approved lesson.

This lesson focuses on facilitating a rich classroom discussion around the purpose and methods of rounding numbers up to the thousands place. It can be taught on its own or as support to the lesson Rounding with Number Lines.

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.

Help your students understand rounding without rhymes or tricks. Students will use an open number line to round and then take part in a fun game that will get them moving around the room.

Are your students hungry for math? In this lesson, students pretend to order their favorite takeout foods with their classmates all while practicing rounding decimals so that they know what to expect when the bill comes!

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

Your students will feel confident in their rounding abilities after this lesson that has them learn how to round numbers to the nearest ten both individually and with a group.

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.

Teach your students to edit peer writing with a three-step process that will improve their writing skills and overall confidence. In this lesson, students will practice editing short pieces of writing using specific criteria.

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

In Fact or Opinion: Part 3, your students will take what they learned from the previous lessons and apply it by writing their own personal opinion essays.

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.

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.

With this pastry themed lesson, your students will apply addition strategies to solve two-step, three-digit addition word problems. Finding the solutions will be sweet!

Challenge students to talk about rounded numbers to the millions place value. Use this lesson as a standalone lesson or as support to the lesson Numbers All A-Round.

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.

Do you feel like your students are on a merry-go-round when it comes to rounding? This lesson will give your student control of the “ride” and give them tools to use when rounding.

Get your students comfortable with discussing multiple strategies to solve subtraction problems with this lesson on two- and three-digit subtraction. It may be taught independently or as support for the lesson Subtraction with Regrouping.

Teach your students to round to the thousands place using number lines.

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.

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?

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.

A line, an arrow, and a simple rule are all that separate students from rounding success. This lesson will give young mathematicians an engaging overview of place values and rounding.

Get your students excited about rounding with this activity that lets them plan a party while they learn!