Activity
Teaching Treasures Publications

Teaching Treasures: Year Two Math (Page 1)

For Students Pre-K - 1st Standards
Improve your computation skills using this interactive worksheet. Review two digit addition and subtraction facts. This worksheet gives students immediate feedback and is a suitable tool for short assessments or independent practice.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtraction 3 Digits Minus 3 Digits

For Students 2nd - 5th
[Free Registration/Login may be required to access all resource tools.] The video shows how to subtract 3-digit numbers without regrouping. The video is followed by additional problems for students to practice the skills discussed in the...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Fact Families Numbers to 1000

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video shows how to determine the missing number sentence when adding and subtracting 3-digit numbers by using fact families.
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Varsity Tutors

Varsity Tutors: Aplusmath: Decimal Subtraction Worksheets

For Students 4th - 8th
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...
Interactive
Quia

Quia: Subtracting to Win a Million

For Students 1st - 8th Standards
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.
Interactive
Mr. Martini's Classroom

Mr. Martini's Classroom: Subtraction: Subtracting Ten

For Students 2nd Standards
Practice subtracting multiples of 10 from 2-digit numbers in this interactive exercise.
Unit Plan
Khan Academy

Khan Academy: Dividing Whole Numbers to Get a Decimal

For Students 5th - 7th Standards
Divide two whole numbers to get a quotient with a decimal. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Mixed Operations Selecting the Correct Sentence

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video shows how to add and subtract three digit numbers to determine which number sentence matches the correct solution. The video is followed by a series of...
Activity
NumberNut

Number Nut: Subtracting More Than Two Values

For Students 3rd - 5th Standards
Get the facts on how to subtract more than two values in this short subtraction lesson. This lesson offers step-by-step examples, suggested strategies and shortcuts, and links to related interactive games. Both games are fast-paced and...
Handout
AAA Math

Aaa Math: Subtracting Four Digit Numbers

For Students 4th Standards
Demonstrates how to subtract two 4-digit numbers when there is regrouping. The explanation is followed by an interactive where students can practice this skill.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting 3 Numbers Word Problems

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a subtraction two-digit word problem with subtracting 3 numbers. The video is followed by additional problems for students to...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting Three or More Numbers

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] This is a set of practice problems where students are given word problems where they have to add or subtract 3 or more 1-digit numbers.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Overview of Subtraction Numbers to 100

For Students 1st - 2nd Standards
[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.
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Lizard Point Quizzes

Lizard Point: Subtraction Practice

For Students Pre-K - 1st Standards
At this site from Lizard Point Consulting, you can practice several different levels of difficulty of subtraction problems that use 1-digit numbers all the way up to 3-digit number subtraction problems that require regrouping. You can...
Unit Plan
Cool Math

Coolmath: Coolmath4kids: Adding Numbers Within 1000

For Students 3rd - 4th Standards
Step-by-step tutorial showing how to add 3-digit numbers in place value columns with and without regrouping. CCSS.Math.Content.3.NBT.A.2 Fluently add and subtract within 1000
Unit Plan
Khan Academy

Khan Academy: Addition Within 100

For Students 2nd - 3rd Standards
In this exercise, students practice addition within 100. Students receive immediate feedback and have the opportunity to watch a tutorial video get hints, and try questions repeatedly. CCSS.Math.Content.3.NBT.A.2 Fluently add and...
Unit Plan
Khan Academy

Khan Academy: Add and Subtract on a Number Line

For Students 1st - 3rd Standards
Practice adding and subtracting numbers like 554 and 237 using a number line. All numbers are less than 1000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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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Varsity Tutors

Varsity Tutors: Aplus Math: Non Java Flashcards (Mixed Topics)

For Students 3rd - 8th
Find a great selection of non-Java math flashcard activities. Choose from an index of flashcard topics of a variety of difficulty levels. Topics include: basic and advanced addition, subtraction, multiplication, and division, algebra,...
Interactive
Toy Theater

Toy Theater: Math Test

For Students 2nd - 5th Standards
You choose the type of math test you want to take: addition, subtraction or multiplication. Then decide how many digit you want in your problem. Click "Start" and type in the answer. Click "Next" to get the next problem. It keeps track...
Activity
Mr. Martini's Classroom

Mr. Martini's Classroom: Subtraction Using Borrowing

For Students Pre-K - 1st Standards
Students subtract one-digit numbers from two-digit numbers using borrowing on these interactive flashcards.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting One Digit Numbers Word Problems

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video shows how to solve a subtraction problem by creating a model. The video is followed by a series of practice questions to assess student comprehension of...
Unit Plan
Khan Academy

Khan Academy: Add Within 100

For Students 1st - 3rd Standards
Practice adding two-digit numbers. All numbers in these problems are 100 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 2.nbt Many Ways to Do Addition 2

For Teachers 2nd Standards
This lesson plan has students exploring was to add and subtract numbers with multi-digits and place value.