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Unknown Type
Khan Academy

Khan Academy: Word Problems With "More" and "Fewer" 2

For Students Pre-K - 1st Standards
In this exercise, students practice word problems with "more" and "fewer" 2. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
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Unit Plan
Khan Academy

Khan Academy: Word Problems With "More" and "Fewer" 1

For Students K - 1st Standards
Practice solving word problems by finding how many more (or fewer) objects there are. Numbers used are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unknown Type
Khan Academy

Khan Academy: Adding Three Numbers

For Students Pre-K - 1st Standards
In this exercise, students practice addition and subtraction within 10. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
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Unit Plan
Khan Academy

Khan Academy: Addition and Subtraction Word Problems 1

For Students K - 1st Standards
Practice adding and subtracting to solve word problems. Numbers used are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unknown Type
Khan Academy

Khan Academy: Adding 1s or 10s (No Regrouping)

For Students Pre-K - 1st Standards
In this exercise, students practice adding 1s or 10s (no regrouping). Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
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Unit Plan
Khan Academy

Khan Academy: Find Missing Number (Add and Subtract Within 20)

For Students K - 1st Standards
Learn how to solve problems like "___ - 7 = 18" where you don't know one of the values in an addition or subtraction equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
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Unit Plan
Khan Academy

Khan Academy: Subtract Within 20

For Students K - 1st Standards
Practice subtracting. All numbers in these problems are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: k.oa Pick Two

For Teachers K - 1st Standards
This activity is a basic introduction to writing simple equations. Learners are given a set of numbers and will pick two numbers that add to make six. They will write an equation that shows that those two numbers add to make 6.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: k.oa Shake and Spill

For Teachers K - 1st Standards
The purpose of this task is for students to decompose a number as a sum of two other numbers in more than one way. Students will shake and spill 5 two colored counters and determine how many of each color is showing and record the sum...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Many Ways to Do Addition 1

For Teachers K - 1st Standards
Students will learn that there are multiple ways to solve math problems, such as drawing a picture, using counters, using fingers, using a number line, and memorizing facts. The teacher writes a simple addition problem on the whiteboard...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Bobbie Bear's Buttons

For Teachers K - 1st Standards
The purpose of this task is for young scholars to find different pairs of numbers that sum to 4. Students will solve an everyday problem in their head and then model their solution using counters. They can represent their solutions using...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: What Makes a Teen Number?

For Teachers K - 1st Standards
Students will learn about teen numbers by understanding the base-ten structure of teen numbers. They will fill-in a 10-frame and a blank equation as they complete the activity. Worksheet included.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Find the Numbers 0 5 or 5 10

For Teachers K - 1st Standards
This activity helps students practice number identification and is conducive to small groups/centers. Materials needed can be made from index cards and blank wooden cubes. Variations are included to make this activity simpler or harder...
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Activity
Education.com

Education.com: k.oa.a.1 Worksheets

For Students K Standards
[Free Registration/Login Required] Choose from a variety of worksheets which help students practice addition and subtraction with objects, fingers, mental images, and drawings.
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Interactive
Study Pad

Splash Learn: Common Core Math Standards 1.nbt.6

For Students K - 1st Standards
[Free Registration/Login Required] Practice subtracting multiples of 10 with this online game! Choose the correct answer to the question to collect coins. Problems are shown using base ten blocks as examples or number sentences.
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Interactive
CK-12 Foundation

Ck 12: Adding by Counting On

For Students Pre-K - 1st Standards
[Free Registration/Login may be required to access all resource tools.] The video uses counting on to solve an addition problem with sums to ten. The video is followed by practice problems.
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Interactive
Starfall

Starfall: One

For Students Pre-K - 1st Standards
This lesson focuses on the number one. Children click on the number 1 to bring up examples of the number.
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Interactive
Starfall

Starfall: Compose & Decompose Numbers

For Students K - 1st Standards
This learning game focuses on adding tens and ones to fill candy orders and deliver them.
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Lesson Plan
Better Lesson

Better Lesson: Subtraction Number Stories Day 2

For Teachers K Standards
Students will be able to create their own number stories and represent them using one of the methods we have learned in this unit.
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Lesson Plan
Better Lesson

Better Lesson: Hopping Up & Down the Number Line

For Teachers K Standards
SWBAT identify the subtraction and addition sign and understand their function by hopping a bunny up and down a number line.
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Lesson Plan
Better Lesson

Better Lesson: Subtraction Number Stories Day 1

For Teachers K Standards
Students will be able to create their own number stories and represent them using one of the methods we have learned in this unit.
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Lesson Plan
Better Lesson

Better Lesson: Subtraction Number Stories Day 3

For Teachers K Standards
Students will be able to create their own number stories and represent them using one of the methods we have learned in this unit.
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Lesson Plan
Better Lesson

Better Lesson: Math Centers Review Previous Skills

For Teachers K Standards
Students will be able to independently practice graphing, teen numbers, and addition.
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Lesson Plan
Better Lesson

Better Lesson: Constructing Tens and Ones

For Teachers K - 1st Standards
Students get a hands-on, minds-on experience with counting, while also constructing an understanding of tens and ones. This lesson includes a detailed plan, a link to a song about teen numbers, a video showing students engaging in...