Students will have fun adding larger numbers using an open number line, first by practicing and then playing a dice game in pairs or triads called Go Froggie!

Teach your students to use an area model to solve multiplication problems with a two-digit factor.

Strengthen your students' understanding of cubic units and volume! They'll solve a realistic problem and explain key ideas about volume. Use this lesson on its own or use it as support for the lesson Volume and a Building.

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.

Do your students ever want to just hurry and finish their homework? Your students can use the number line jumping strategy to quickly add two-digit numbers and show their understanding of place value and expanded form in the process.

Encourage your students to develop their own approach to measuring length with nonstandard units of length. Use this engaging lesson as a stand-alone lesson or alongside Measuring Feet...in Feet!

Learn how the languages of people indigenous to North America have contributed American English. Each student will research a word derived from an indigenous language and design a page for a class book featuring up to 30 indigenous words.

What’s the impact? In this integrated language arts and science lesson students will explore causes and effects that specifically relate to environmental impact, including the effects of human actions.

Quoting is a valuable skill in today's education. Lead your students on the right path with explicit instruction that will stick. Then, back it up with hands on practice on and experience in their own leveled chapter books.

Your students will love learning about America's national bird as they watch a video, listen to a story, and play a fun game! Get your students excited to learn social studies with this lesson.

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.

We know that exposure and repetition are very important when teaching students to recognize coins and identify their values. Use this hands-on lesson that can be used alongside Counting Coins or as an independent lesson!

Your students’ understanding will reach its peak when they ask detail-seeking questions from observations made about plateaus, mesas, canyons, and buttes. Students will use illustrations and text to assist in their questions and answers.

Help your students learn to count money with this teacher-approved lesson. They'll love learning how much their favorite things are worth.

It’s time to take a trip around the world and experience Christmas in different countries. Students will explore how their Christmas traditions compare and contrast with kids across the world and chart their findings on a Venn diagram.