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This packet is a resource that can be used to help teach and assess the students knowledge of how to decompose the second addend of a 3 digit subtraction problem, to subtract. This can be used as a whole group lesson or you can have your students do this individually in class or as homework. The math this worksheet is asking the students to complete is taking apart the second addend in an expanded form, then subtracting the expanded form elements from the first addend. This worksheet assesses t

This pdf slidshow is 155 slides of number talks! The topics are related and linked to what math 2nd graders will learn throughout the year! You can post the slide for your math lesson or during your morning meeting!

Here are some double digit subtraction task cards that are with and without regrouping! These are great to use as a review activity with movement!

These task cards will help the students practice and assess their knoweldge of rounding numbers and estimating their differences.

In this interactive slideshow you and your students can work through the process of addition story problems together! This can be used as an assessment or an in class activity!

In this Pear Deck interactive slideshow you and your students will go through the process of how to identify key addition and subtraction words within a math story problem to understand what mathematical operation should be done to solve the problem.

In this Peardeck interactive slideshow the students will be taken through a review of how to round 2-digit numbers and then practice rounding 2-digit numbers in a subtraction problem to get the estimated answer.

In this presentation you and the students will learn how to add and subtract two digit numbers using expanded form! There are explanatory slides and interactive example slides.