Continue to build on your students' understanding of unlike denominators by asking students to justify their answers of fraction subtraction. Use this lesson with the Subtracting Fractions with Different Denominators lesson.

Discuss correct decimal placement using logical arguments and by multiplying whole numbers. Use this lesson as a standalone lesson or use it as support to the lesson Multiply Decimals.

In this lesson, students will learn how to practice peace when they feel hurt or have a disagreement. These steps can be followed whenever conflict arises in the classroom.

Teach your students to add and subtract fractions with like denominators using a strategy that works for both operations: converting mixed numbers into improper fractions and back again!

Help your students make sense of the commutative property of multiplication by relating it to arrangements of cars in parking lots.

Make decimal comparisons! Your students will focus on comparing decimals and using necessary language to say their comparisons. Use this lesson by itself or use it as support for the Decimals, Decimals, Decimals lesson.

Star light, star bright! Teach students all about constellations and earth movement with this engaging science lesson plan. Broken out over several days, this unit encourages students to research and report on a constellation.

Help your students visually represent equivalent fractions! Use this lesson on its own or or as support to the Show Me Equivalent Fractions! lesson.

Teach your students to recognize patterns of zeros when multiplying by powers of 10 with exponents.

Start a dialogue around area models! In this lesson, encourage students to ask questions as they multiply using area models. Use this lesson on its own or as support to the lesson Area Models and Multiplication.

While memorization is important when it comes to multiplication facts, a foundation of understanding is key, too! Use this lesson on its own or as a pre-lesson for Hands-On Multiplication.

Every student can be a magician after this lesson in mentally adding and subtracting by 10. No previous magic training required!

Challenge students to listen to instructions to create expressions with parentheses. Use this lesson on its own or as support to the lesson PEMDAS: Order Up.

Challenge students to use their understanding of standard algorithm division to list multiples while solving division problems. Focus on their language use and opinions in this pre-lesson to the Partial Quotients Method lesson.

In this hands-on lesson, your students will get to sharpen their measuring skills as they measure lengths of items in your classroom to the nearest quarter inch. They'll get to then use their data to create line plots.

How did westward expansion impact people living in the United States? Use this history lesson to give students an overview of the people and events involved. Then help them reflect on multiple perspectives in an informational paragraph.

Use this scaffolded EL lesson to teach students about money and the bills we use to pay for things. Use alongside Base Ten Money: Hundreds, Tens, and Ones or alone as an independent lesson.

Help students develop compare and contrast skills while they examine digital and analog clocks. This lesson can be used independently or in conjunction with the lesson Time to Tell Time: Showing and Writing Time.

Are these fractions really equal? Use this lesson to introduce the concept of equivalent fractions with your students. Teach this on its own or use it as support for the lesson Equivalent Fractions Using Area Models.

Why make things harder on ourselves? Teach your students to decompose numbers to make math easier! Use this as a stand alone lesson or a pre-lesson for Decompose to Multiply: 6, 7, 8, and 9.

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.

Share the divvy out method for division and provide a foundation for learning the partial quotients method. This lesson can be used on its own or as support for Using the Partial Quotients Strategy for Division with One-Digit Divisors.

This lesson provides students with instruction in strategies based on number sense. Use this lesson alongside Show Me the Money: Understanding Value or as a stand-alone 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!

Build on students' understanding of the power of ten within multiplication to understand its effect within division. Use this as a standalone lesson or as support to the lesson Dividing Decimals by Powers of 10.