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This problem helps students practice adding three numbers whose sum are 20 or less.

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
09/10/2012
Educational Use
Rating
0.0 stars

AAA Math's interactive tutorials and lessons assist students grades K-8 improve their understanding of a wide range of arithmetic topics. Students are provided with immediate feedback as they complete the "Learn," "Practice," and "Play" portions of each lesson. Browse AAA Math's contents by subject or by grade level.

Subject:
Mathematics
Material Type:
Textbook
Provider:
AAA Math
12/01/2023
Educational Use
Rating
0.0 stars

This game helps you practice adding tens. You will get to see a percent score of the answers you have correct, as well as running totals of the answers you have correct and incorrect.

Subject:
Mathematics
Material Type:
Game
Provider:
AAA Math
12/01/2023
Educational Use
Rating
0.0 stars

Read through this explanation of how to add three digit numbers. Use the online game to practice this skill. The game will keep running totals of your correct and incorrect answers. It will also show you a percent score of the correct answers.

Subject:
Mathematics
Material Type:
Game
Provider:
AAA Math
12/01/2023
Educational Use
Rating
0.0 stars

Use this online game to practice your addition facts through 10+10. The game keeps track of how many answers you have correct and incorrect. It even gives you a percent score of your correct answers.

Subject:
Mathematics
Material Type:
Lesson Plan
Provider:
AAA Math
12/01/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

Practice adding two-digit numbers by making tens on Khan Academy. If you are stuck, watch a refresher video or choose to get a hint. Test yourself to see how many you can get correct!

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

Subject:
Mathematics
Material Type:
Audio/Video
Lesson
Provider:
11/14/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

This short video and interactive assessment activity is designed to teach second graders an overview of addition (sums to 100).

Subject:
Mathematics
Material Type:
Assessment
Interactive
Lecture
Provider:
CK-12 Foundation
Provider Set:
CK-12 Elementary Math
11/18/2020
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

This is a video overview of addition word problems (to sums of 100) for first graders.

Subject:
Mathematics
Material Type:
Lecture
Provider:
CK-12 Foundation
Provider Set:
CK-12 Elementary Math
11/18/2020
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

This short video and interactive assessment activity is designed to teach third graders an overview of mixed operations.

Subject:
Mathematics
Material Type:
Assessment
Interactive
Lecture
Provider:
CK-12 Foundation
Provider Set:
CK-12 Elementary Math
11/18/2020
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

This short video and interactive assessment activity is designed to teach second graders an overview of mixed operations (numbers to 1,000).

Subject:
Mathematics
Material Type:
Assessment
Interactive
Lecture
Provider:
CK-12 Foundation
Provider Set:
CK-12 Elementary Math
11/18/2020
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

This short video and interactive assessment activity is designed to teach second graders about mixed operations: addition and subtraction i - word problems.

Subject:
Mathematics
Material Type:
Assessment
Interactive
Lecture
Provider:
CK-12 Foundation
Provider Set:
CK-12 Elementary Math
11/18/2020
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

This short video and interactive assessment activity is designed to teach second graders about adding and subtracting (numbers up to 20) - word problems.

Subject:
Mathematics
Material Type:
Assessment
Interactive
Lecture
Provider:
CK-12 Foundation
Provider Set:
CK-12 Elementary Math
11/18/2020
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

This short video and interactive assessment activity is designed to teach fourth graders about adding and subtracting fractions - word problems.

Subject:
Mathematics
Material Type:
Assessment
Interactive
Lecture
Provider:
CK-12 Foundation
Provider Set:
CK-12 Elementary Math
11/18/2020
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

Demonstrates how to add 23 to 45 using drawings of base ten cubes to represent 1s and 10s. [2:34]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

Subject:
Mathematics
Material Type:
Audio/Video
Lesson
Provider:
11/14/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

This short video and interactive assessment activity is designed to teach fourth graders about adding 3 numbers - word problems.

Subject:
Mathematics
Material Type:
Assessment
Interactive
Lecture
Provider:
CK-12 Foundation
Provider Set:
CK-12 Elementary Math
11/18/2020
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

Sal adds 53+17 by breaking apart the numbers and making a group of 10. [3:35]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

Subject:
Mathematics
Material Type:
Audio/Video
Lesson
Provider:
11/14/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

Shows how to add three 1-digit numbers by combining two numbers then the third in three different ways. [2:37]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

Subject:
Mathematics
Material Type:
Audio/Video
Lesson
Provider:
11/14/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

Demonstrates how to count pieces of fruit and make a group of ten to find the sum of 8 + 7. [3:18]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

Subject:
Mathematics
Material Type:
Audio/Video
Lesson
Provider:
11/14/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

Sal uses an understanding of place value to add decimals, such as 0.68+0.33. [6:56]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

Subject:
Mathematics
Material Type:
Audio/Video
Lesson
Provider:
11/14/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

Sal simplifies a polynomial addition expression. [2:00]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

Subject:
Mathematics
Material Type:
Audio/Video
Lesson
Provider: