Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

MY CONTENT

Lessons (250)

Lessons (250)

2nd Grade Math

(18 Units, 170 Lessons)

2nd Grade Science

(7 Units, 80 Lessons)

Unit 17 - Getting Better at Addition and Subtraction(12 Lessons)

Where is the Question

2nd Grade Math

» Unit:

Getting Better at Addition and Subtraction

Big Idea:Students can perform addition and subtraction within 100 using a variety of math tools, however, determining which operation to use is a higher level thinking skill that is being introduced in this lesson.

15 Resources

2 Favorites

15 Resources

2 Favorites

Playing Teacher - Checking Our Work

2nd Grade Math

» Unit:

Getting Better at Addition and Subtraction

Big Idea:Students need to be able to explain the strategies they use to solve problems, and also they must understand the importance of checking their own work.

13 Resources

1 Favorites

13 Resources

1 Favorites

Estimation - an introduction

2nd Grade Math

» Unit:

Getting Better at Addition and Subtraction

Big Idea:Estimation allows students to reflect on the accuracy of their own solutions. It provides a perspective for critiquing the chosen strategies and outcomes when solving problems.

11 Resources

0 Favorites

11 Resources

0 Favorites

Using Models to Add and Subtract

2nd Grade Math

» Unit:

Getting Better at Addition and Subtraction

Big Idea:Common Core standards encourage the use of models to build understanding in math. This lesson shows sometimes reluctant 2nd graders that models are helpful tools in solving mathematical problems.

12 Resources

8 Favorites

12 Resources

8 Favorites

Comparing Temperatures a Science and Math Exploration Part I

2nd Grade Math

» Unit:

Getting Better at Addition and Subtraction

Big Idea:Common Core Standards stress the importance of real life applications of math. Using temperature is one way to show how math is really used.

8 Resources

2 Favorites

8 Resources

2 Favorites

Comparing Temperatures A Math and Science Comparison Part II

2nd Grade Math

» Unit:

Getting Better at Addition and Subtraction

Big Idea:Students need to see that math has interesting, practical applications. This lesson connects math and science in a way that encourages math reasoning (MP2) and modeling (MP4).

13 Resources

2 Favorites

13 Resources

2 Favorites

Checking Subtraction

2nd Grade Math

» Unit:

Getting Better at Addition and Subtraction

Big Idea:Students need to develop fluency in subtraction, and by understanding how subtraction is related to addition, they can make the connections that can improve fluency and understanding.

11 Resources

2 Favorites

11 Resources

2 Favorites

Introducing the Addition Algorithm

2nd Grade Math

» Unit:

Getting Better at Addition and Subtraction

Big Idea:Students are able to add and subtract when numbers are presented horizontally. They add and subtract tens and ones with appropriate fluency. Today they will be introduced to adding two 2-digit numbers presented vertically.

10 Resources

1 Favorites

10 Resources

1 Favorites

Addition Algorithm Rote or Understanding

2nd Grade Math

» Unit:

Getting Better at Addition and Subtraction

Big Idea:In part 1, students all were able to add two numbers presented vertically and relate each 2-digit number to the nearest 10. Today I need to check for understanding verses the rote application of the process.

12 Resources

2 Favorites

12 Resources

2 Favorites

Adding Repetitive Sets of Numbers

2nd Grade Math

» Unit:

Getting Better at Addition and Subtraction

Big Idea:Repetitive addition is a skill that is a precursor for early multiplication understanding.

7 Resources

1 Favorites

7 Resources

1 Favorites

Adding and Subtracting in Columns

2nd Grade Math

» Unit:

Getting Better at Addition and Subtraction

Big Idea:Students are working to develop their fluency with adding and subtracting numbers to 100. Working with numbers in columns reinforces place value understanding.

9 Resources

1 Favorites

9 Resources

1 Favorites

Getting Better At Addition and Subtraction Final Project

2nd Grade Math

» Unit:

Getting Better at Addition and Subtraction

Big Idea:Building fluency with addition and subtraction is one of the Common Core Critical Areas for 2nd grade.

10 Resources

4 Favorites

10 Resources

4 Favorites