Khan Academy
Khan Academy: Add 2 Digit Numbers by Making Tens 2
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
Khan Academy: Add 2 Digit Numbers by Making Tens
Students will be challenged in their skills to add 2-digit numbers by making tens
Khan Academy
Khan Academy: Add 2 Digit Numbers by Making Tens 2
Practice adding two-digit numbers by making groups of ten.
Khan Academy
Khan Academy: Add 2 Digit Numbers by Making Tens
Practice adding 2-digit numbers like 43+27 that have sums that are multiples of 10.
Khan Academy
Khan Academy: Adding Two Digit Numbers by Making Tens
In this exercise, students practice adding two-digit numbers by making tens. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Adding Two Digit Numbers by Making Tens 2
In this exercise, students practice adding two-digit numbers by making tens. Students receive immediate feedback and have the opportunity to watch tutorial videos, get hints, and try questions repeatedly.
Khan Academy
Khan Academy: Regrouping When Adding One Digit Numbers
In this exercise, students practice regrouping when adding one-digit numbers. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
CK-12 Foundation
Ck 12: Elem Math: Adding Three 2 Digit Numbers
[Free Registration/Login may be required to access all resource tools.] The video shows how to add three, two-digit numbers. The video is followed by practice problems covering the topics in the video.
Khan Academy
Khan Academy: Adding Two Digit Numbers (No Regrouping)
In this exercise, students practice adding two-digit numbers (no regrouping). Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
CK-12 Foundation
Ck 12: Elem Math: Adding Multiple One Digit Numbers Word Problems
[Free Registration/Login may be required to access all resource tools.] The video describes how to add multiple 1-digit numbers from a word problem. The video is followed by additional practice problems.
Doina Popovici
Math Play: Soccer Math: Adding One Digit Numbers
A fun game to review addition math facts. Play a quick game of virtual soccer while practicing adding one-digit whole numbers. Easy instructions and several levels of play.
Khan Academy
Khan Academy: Regroup When Adding 1 Digit Numbers
Practice adding numbers like 45+8. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Mr. Martini's Classroom
Mr. Martini's Classroom: Adding 4 Numbers
Students practice adding four one-digit numbers. They can select the largest addend for each problem.
Cool Math
Coolmath: Coolmath4kids: Adding Numbers Within 100
A step-by-step tutorial showing how to add 2-digit numbers in place value columns without regrouping. Includes exercises to try. CCSS.Math.Content.3.NBT.A.2 Fluently add and subtract within 1000
Other
Nearpod: Adding Within 100
In this instructional activity on addition within 100, students will learn how to compose numbers and will explore strategies to add double-digit numbers such as vertical addition, regrouping, using multiples of 10, and labeling an open...
CK-12 Foundation
Ck 12: Elem Math: Adding Two Digit Numbers With Regrouping
[Free Registration/Login may be required to access all resource tools.] The video models how to add two-digit numbers using regrouping. The video is followed by practice problems.
CK-12 Foundation
Ck 12: Elem Math: Adding Three 2 Digit Numbers
[Free Registration/Login may be required to access all resource tools.] The video shows how to add 3, two-digit numbers followed by additional practice problems.
CK-12 Foundation
Ck 12: Elem Math: Adding Multiple One Digit Numbers With Pictures
[Free Registration/Login may be required to access all resource tools.] The video shows how to find the sum of 3, 1-digit numbers. A picture to model the problem is displayed in the video. Following the video is additional practice...
Cool Math
Coolmath: Coolmath4kids: Adding Numbers Within 100 With Regrouping
Demonstrates how to regroup when adding 2-digit numbers.
Khan Academy
Khan Academy: Adding Negative Numbers
Practice adding positive and negative single-digit numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
NumberNut
Number Nut: Addition: Adding Two Digit Numbers
Explains how to add two-digit numbers by focusing on each column of digits as you add, rather than the entire numbers.
AAA Math
Aaa Math: Adding Two Digit Numbers
This lesson has an explanation for adding two-digit numbers using paper and pencil. There is also a game to practice your skills. The game gives you a percent score of your correct answers, as well as running totals of your correct and...
AAA Math
Aaa Math: Adding Two Digit Numbers Mentally
Read these two strategies for adding two-digit numbers in your head. Then try out the one you like better by playing the game. Running totals of your correct and incorrect answers as well as a percent score of your correct answers will...
AAA Math
Aaa Math: Adding Seven Digit Numbers
This lesson is provided for by J. Banfill at AAAMath.com. Look over an example of adding seven digit numbers and then play this online game for practice. The game will keep track of your correct and incorrect answers, as well as give you...
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