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.

Encourage students to explain their processes when converting from a mixed number to an improper fraction, and back again. Use this lesson on its own or as support to the lesson Single Strategy for Adding and Subtracting Mixed Numbers.

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 visually represent multiplication with mixed numbers and whole numbers. Use this lesson as a standalone lesson, or as support for the lesson Multiplication of Mixed Numbers with Area Models.

Get your students comfortable discussing their math thinking in converting centimeters to meters. This lesson may be used on its own or as support to the lesson Converting Metric Measurements to Decimals & Fractions.

Provide students with an opportunity to identify the wholes that are correctly divided into halves, thirds, and fourths (equal shares). Use this activity alone as a support lesson or alongside Cookie Fractions Fun.

Number facts are related, just like families! Help students learn all about fact families while they make fact family trees!

This tasty lesson will teach second graders about fractions using cookies.

Use this fun lesson plan to introduce or review the concept of addition to your ELs. Can be used as a stand alone or support lesson for the Nature and Counting It All Adds Up lesson plan.

Students will learn out how to partition a rectangle using by partitioning shapes with rows and columns.

In this lesson, students use cubes to build arrays to represent factor pairs of numbers within 100. They use this understanding to identify multiples as well.

Help kids master fractions with the fun, fast-paced, math comparison game Fraction Wars. After a review, students are split into pairs to practice quickly comparing fractions with different numerators and denominators.

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.

Help your students show their understanding as they explain how to add fractions with unlike denominators. Use this lesson on its own or as support to the lesson Make It Work! Adding Fractions with Unlike Denominators.

Use this lesson to introduce composing and decomposing as part of your students’ addition and subtraction toolkits.

Students will learn to convert metric units by applying concepts in word problems. Exercises and worksheets incorporate length (meters), and optional practice offers more instructions on mass (grams) and volume (liters).

Activate your students' observational skills by having them analyze a chart of the powers of ten! Use this lesson on its own or as support to the lesson Powers of 10.

Which number doesn't belong? This lesson requires students to think critically as they determine which number is not a factor of a particular number. Teach it on its own or as support for the lesson Factors Over the Rainbow.

Refresh students on the relationship between decimals and fractions when they multiply to find the area! They will find the area of a location in a picture by converting mixed numbers to a decimals and then using the area equation.

Practice finding unknown numbers in addition equations using fun and silly word problems.

Use this lesson to teach your students how to determine if they should use addition, subtraction, or both operations to solve a word problem by following four simple steps.

This lesson helps your students become confident mathematicians when it comes to representing fractions visually in a variety of ways. Use this lesson as a pre-lesson to Fraction Hunt or teach it independently.