What exactly does the number 97 mean? How about 454? In this lesson, students explore how two-digit numbers are made up of tens and ones. Then they use this understanding to subtract numbers within 1000.

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.

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

Teach your students to decompose factors as a strategy to find multiples of 6, 7, 8, and 9. This lesson supports flexible thinking and number sense.

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

This lesson will have your students learn to compare and contrast using both a classic fairy tale and a fractured versions of a fairy tale.

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

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

Did you know that Reader's Theater promotes fluency and builds students' reading confidence? Use this lesson to inspire your students to practice reading and understanding text in the drama genre.

In this lesson, students will practice strategies of subtracting time and apply them to real life scenarios. Also, use this game with the lesson that teaches addition of elapsed time called Beyond Just Addition.

Learning from others is a huge part of getting better at something, including writing! In this lesson, students will study works by nonfiction authors to enhance their own nonfiction writing.

Becoming fluent in reading analog and digital clocks can be very “time” consuming. This interactive lesson will engage young learners while reinforcing an important skill.