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MY CONTENT

Lessons (250)

2nd Grade Math

(18 Units, 170 Lessons)

2nd Grade Science

(7 Units, 80 Lessons)

Unit 2 - Adding and Subtracting the Basics(18 Lessons)

Let Me Count The Ways to Get An Answer

2nd Grade Math

» Unit:

Adding and Subtracting the Basics

Big Idea:One Common Core goal for second grade is the ability to use place value in the addition and subtraction of numbers to 100. This lesson is a foundation for this skill.

9 Resources

17 Favorites

9 Resources

17 Favorites

Who Makes Mistakes

2nd Grade Math

» Unit:

Adding and Subtracting the Basics

Big Idea:Students in upper grades are asked to show their work. Second graders hide that work. This lesson encourages students to share their work, even without the correct answer.

11 Resources

3 Favorites

11 Resources

3 Favorites

Counting Up to Solve Problems

2nd Grade Math

» Unit:

Adding and Subtracting the Basics

Big Idea:The Common Core standards expect addition and subtraction fluency with one and two digit numbers. Students need to develop efficient fluency strategies.

13 Resources

13 Favorites

13 Resources

13 Favorites

Counting Backwards Works Too

2nd Grade Math

» Unit:

Adding and Subtracting the Basics

Big Idea:Students are more confident counting up, however, counting back is crucial to understanding subtraction. It needs to be taught and practiced more frequently.

10 Resources

5 Favorites

10 Resources

5 Favorites

Counting Bugs

2nd Grade Math

» Unit:

Adding and Subtracting the Basics

Big Idea:Students need to experience real life math situations. They also need to become comfortable sharing their understandings with others.

10 Resources

9 Favorites

10 Resources

9 Favorites

Taking Apart the Problem

2nd Grade Math

» Unit:

Adding and Subtracting the Basics

Big Idea:The Common Core standards encourage students to solve problems by being able to take problems apart and determining important information.

15 Resources

2 Favorites

15 Resources

2 Favorites

Getting Bigger and Smaller

2nd Grade Math

» Unit:

Adding and Subtracting the Basics

Big Idea:Students are extending their understanding of the base ten system by using its properties to add, subtract and compare two and three digit numbers.

9 Resources

6 Favorites

9 Resources

6 Favorites

Doubles Plus or Minus One

2nd Grade Math

» Unit:

Adding and Subtracting the Basics

Big Idea:One of the Four Critical Areas of 2nd grade math is the application of understanding of models for addition and subtraction. An efficient way to do this is to develop strategies built on what students know.

13 Resources

7 Favorites

13 Resources

7 Favorites

Evens and Odds

2nd Grade Math

» Unit:

Adding and Subtracting the Basics

Big Idea:Students need to discover that adding any doubles results in an even number. This meets the Common Core Standard for using doubles to identify even and odd.

14 Resources

8 Favorites

14 Resources

8 Favorites

Plus Ten Minus Ten

2nd Grade Math

» Unit:

Adding and Subtracting the Basics

Big Idea:To help students develop fluency skills with adding and subtracting numbers within 100. A variety of strategies need to be presented to encourage students to think mathematically.

13 Resources

11 Favorites

13 Resources

11 Favorites

From Tens to Nines

2nd Grade Math

» Unit:

Adding and Subtracting the Basics

Big Idea:Fluency in adding and subtracting is expected during second grade. New strategies to add and subtract efficiently provide students with a variety of options to increase fluency.

11 Resources

8 Favorites

11 Resources

8 Favorites

Equal Amounts

2nd Grade Math

» Unit:

Adding and Subtracting the Basics

Big Idea:Students are expected to grasp that measuring the same object with different units can yield a different number, but represent the same quantity.

11 Resources

10 Favorites

11 Resources

10 Favorites

Understanding Subtraction

2nd Grade Math

» Unit:

Adding and Subtracting the Basics

Big Idea:Understanding subtraction is as key to Common Core Standards as is understanding addition and it is usually much harder for students to grasp.

16 Resources

7 Favorites

16 Resources

7 Favorites

Skip Counting with 5s, 10s and 100s

2nd Grade Math

» Unit:

Adding and Subtracting the Basics

Big Idea:In preparation for multiplication, the Common Core Standards require 2nd grade students fluently skip count by 5’s, 10’s and 100’s.

13 Resources

23 Favorites

13 Resources

23 Favorites

Balancing Equations and Counting Backwards

2nd Grade Math

» Unit:

Adding and Subtracting the Basics

Big Idea:The Common Core standards for second grade include being able to add and subtract with in 100. Students need practice with finding the solution even if it is not the answer that is missing.

10 Resources

7 Favorites

10 Resources

7 Favorites

Counting with Tens and Hundreds

2nd Grade Math

» Unit:

Adding and Subtracting the Basics

Big Idea:Being able to add and subtract with 10 and 100 is a Common Core skill expected of second grade students.

10 Resources

4 Favorites

10 Resources

4 Favorites

Assessment

2nd Grade Math

» Unit:

Adding and Subtracting the Basics

Big Idea:It is important to check for understanding before going on to a new unit.

4 Resources

2 Favorites

4 Resources

2 Favorites