CK-12 Foundation
Ck 12: Elem Math: Overview of Subtraction Numbers to 100
[Free Registration/Login may be required to access all resource tools.] The video explains two, two-digit subtraction problems one with regrouping and the other without regrouping.
CK-12 Foundation
Ck 12: Elem Math: Subtraction Select the Correct Sentence
[Free Registration/Login may be required to access all resource tools.] The video shows how to use regrouping to solve a series of multi-digit subtraction problems to determine which one results in the given difference. The video is...
Beacon Learning Center
Beacon Learning Center: School Store
Students can practice subtraction with regrouping using decimals as they make change.
ClassFlow
Class Flow: Subtraction With Regrouping
[Free Registration/Login Required] This flipchart reviews 2 Digit subtraction with regrouping for 2 grade students.
Khan Academy
Khan Academy: Subtracting 1s or 10s (No Regrouping)
Practice solving problems like 67-5 and 67-50. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.
Khan Academy
Khan Academy: Subtract 2 and 3 Digit Numbers (No Regrouping)
Practice solving problems like 452 + 241. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Subtract 2 Digit Numbers (No Regrouping)
Practice solving problems like 45 - 24. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Subtract 10s and 100s (No Regrouping)
Practice subtracting 1, 10, or 100 from a number. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add and Subtract Mixed Numbers (No Regrouping)
Practice adding and subtracting mixed numbers.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Subtracting Whole Numbers and Decimals
If you are looking for a website that explains and defines subtraction with decimals you have arrived at an excellent resource. There are even practice problems at the very end of the lesson.
NumberNut
Number Nut: Subtraction: Comparing Subtraction Differences (With Regrouping)
Quiz where the player must calculate the answers for two subtraction problems with one- and two-digit numbers, where there is regrouping, and then must choose the correct symbol for comparing the differences (i.e., >, <, or =).
NumberNut
Number Nut: Subtraction: Comparing Subtraction Differences (No Regrouping)
Quiz where the player must calculate the answers for two subtraction problems with one- and two-digit numbers, where there is no regrouping, and then must choose the correct symbol for comparing the differences (i.e., >, <, or =).
NumberNut
Number Nut: Subtraction: Borrowing
Explains the concept of 'borrowing' in subtraction, also known as regrouping or decomposing numbers.
ClassFlow
Class Flow: Glowing in the Dark: Two Digit Subtraction
[Free Registration/Login Required] This flipchart teaches 2-digit subtraction with and without regrouping using fireflies as manipulatives. It is interactive and self checking.
Khan Academy
Khan Academy: Subtracting 1s or 10s (No Regrouping)
Practice subtracting numbers less than 100.
PBS
Pbs Learning Media: Figuring Out Elapsed Time
In this video segment from Cyberchase, through addition and regrouping in base sixty, Matt helps Digit figure out what time his CyberSouffle will be done.
PBS
Pbs Learning Media: Cooking Contest
In this Cyberchase video segment, Matt uses subtraction to help Digit figure out how much time he has left in a cooking contest with Hacker.
Teaching Treasures Publications
Teaching Treasures: Year Three Math (Page 5)
Sharpen your computation skills with two-digit addition, two-digit subtraction, and one-digit multiplication facts using this interactive worksheet. Learners must be familiar with multiplication facts through twelve to be successful....
Teaching Treasures Publications
Teaching Treasures: Year Four Math (Page 1)
This interactive worksheet combines all four operations. The focus is on addition and subtraction fact through one hundred and basic multiplication and division facts. This easy to navigate activity offers learners immediate feedback and...
Teaching Treasures Publications
Teaching Treasures: Year Four Math (Page 2)
This interactive worksheet combines all four operations. The focus is on three-digit addition and subtraction and basic multiplication and division facts. This easy to navigate activity offers learners immediate feedback and would be...
Teaching Treasures Publications
Teaching Treasures: Year Four Math (Page 3)
Build your computation skills using this interactive worksheet that focuses on all four operations including three-digit addition and subtraction and basic multiplication and division facts. This is an easy to navigate tool and learners...
Teaching Treasures Publications
Teaching Treasures: Year Three Math (Page 1)
Sharpen your mathematical skills with this interactive worksheet that combines two-digit addition, two-digit subtraction, and basic multiplication facts. This activity is easy to grasp and gives learners immediate feedback to their...
Quia
Quia: Subtracting to Win a Million
Students will love playing this "Who Wants to be a Millionaire," style game as they work through the subtraction problems. Some of the numbers are large, but there is no regrouping necessary.
Teaching Treasures Publications
Teaching Treasures: Year Two Math (Page 3)
Review basic addition and subtraction facts using this interactive worksheet. Problems are presented in horizontal format and offer immediate feedback. With only ten problems, this worksheet could also be used for a quick review or short...
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