CK-12 Foundation
Ck 12: Elem Math: Subtracting 2 Digit Numbers Without Regrouping
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a two-digit subtraction problem without regrouping. The video is followed by additional problems for students to practice the skills...
CK-12 Foundation
Ck 12: Elem Math: Subtracting 2 Digit Numbers With Regrouping
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a two-digit subtraction problem with regrouping. The video is followed by additional problems for students to practice the skills...
CK-12 Foundation
Ck 12: Elem Math: Subtraction 3 Digits Minus 2 Digits
[Free Registration/Login may be required to access all resource tools.] The video describes how to use regrouping when subtraction a two-digit number from a three-digit number. The video is followed by additional problems for students to...
CK-12 Foundation
Ck 12: Elem Math: Subtracting 2 Digit Numbers Without Regrouping
[Free Registration/Login may be required to access all resource tools.] The video shows a subtraction problem with two digit numbers. The video is followed by a series of practice questions to assess student comprehension of the concept.
Khan Academy
Khan Academy: Regrouping: Two Digit Number Minus One Digit Number
In this exercise, students practice regrouping with two-digit number minus one-digit number. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Other
Nearpod: Subtraction With Regrouping: Two Digit
In this instructional activity on subtraction, students will use the break apart strategy, draw a model, or the standard algorithm to subtract 2-digit numbers.
CK-12 Foundation
Ck 12: Elem Math: Selecting the Incorrect Subtraction Sentence Ii
[Free Registration/Login may be required to access all resource tools.] The video shows how to finding the missing number in a two-digit subtraction problem by working backwards. The video is followed by a series of practice questions to...
Khan Academy
Khan Academy: Breaking Apart Two Digit Addition Problems
In this exercise, students practice breaking apart two-digit addition problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
NumberNut
Number Nut: Subtraction: Comparing Subtraction Differences (Up to Two Digits)
Quiz where the player must calculate the answers for two subtraction problems with one- and two-digit numbers, and then must choose the correct symbol for comparing the differences (i.e., >, <, or =).
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.
NumberNut
Number Nut: Subtraction: Subtracting From Two Digit Numbers
Explains how to subtract from two-digit numbers, with or without regrouping.
Other
Mathebook.net: Elementary: Subtraction
The online virtual self-checking resource has students practice subtracting two digit numbers with borrowing. Solutions are included.
NumberNut
Number Nut: Subtraction: 2 Digit Numbers
Subtracting from two-digit numbers can be "as easy as pie" when you follow these instructions. Then practice the skills doing the two interactive activities; one with regrouping and one without.
Mr. Martini's Classroom
Mr. Martini's Classroom: Big Number Flashcards: Subtraction Through 99
Learners can practice subtracting two-digit numbers through 99 with these interactive flashcards. The problems change color when the correct answer is given.
CK-12 Foundation
Ck 12: Elem Math: Adding Two Digit Numbers Without Regrouping
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a 2-digit addition problem without regrouping. The video is followed by practice problems.
CK-12 Foundation
Ck 12: Elem Math: Subtracting 2 Digit Numbers With Regrouping
[Free Registration/Login may be required to access all resource tools.] The video describes how to subtract two-digit numbers using regrouping. The video is followed by additional problems for students to practice the skills discussed in...
Primary Resources
Primary Resources: Addition and Subtraction Higher Numbers
An extensive selection of teacher resources to aide in teaching and reviewing addition and subtraction of two and three digit numbers, inverse operations, counting on, and other mental strategies for addition and subtraction. Resources...
ABCya
Ab Cya: Balloon Pop Subtraction
The learning game review subtraction facts. Players pop balloons to solve the subtraction problems.
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: 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.
Varsity Tutors
Varsity Tutors: Aplusmath: Decimal Subtraction Worksheets
Create customized decimal subtraction worksheets. Choose from basic facts to four-digit by four-digit questions. The size of problem set can be selected, as well as whether the format will be vertical or horizontal. An answer key can...
NumberNut
Number Nut: Subtraction: Borrowing
Sometimes you need to borrow when subtracting. This lesson takes you through the steps. Then practice the skills with the interactive activities using two and three-digit subtraction with borrowing.
CK-12 Foundation
Ck 12: Elem Math: Comparing With Two Step Addition and Subtraction Word Problems
[Free Registration/Login may be required to access all resource tools.] The video is a 2 part word problem using addition and subtraction of 2-digit numbers. The video is followed by practice problems to assess student understanding of...
NumberNut
Number Nut: Subtraction: Comparing Subtraction Differences (Two Digit Numbers)
Quiz where the player must calculate the differences for two two-digit subtraction problems, and then must choose the correct symbol for comparing these (i.e., >, <, or =).