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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.
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Unit Plan
Khan Academy

Khan Academy: Subtracting 1s or 10s (No Regrouping)

For Students 2nd Standards
Practice subtracting numbers less than 100.
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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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Activity
Teaching Treasures Publications

Teaching Treasures: Year Three Math (Page 5)

For Students 3rd - 6th Standards
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....
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Activity
Teaching Treasures Publications

Teaching Treasures: Year Four Math (Page 1)

For Students 3rd - 8th Standards
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...
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Activity
Teaching Treasures Publications

Teaching Treasures: Year Four Math (Page 2)

For Students 3rd - 8th Standards
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...
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Activity
Teaching Treasures Publications

Teaching Treasures: Year Four Math (Page 3)

For Students 3rd - 8th Standards
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...
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Activity
Teaching Treasures Publications

Teaching Treasures: Year Three Math (Page 1)

For Students Pre-K - 1st Standards
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...
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Interactive
NumberNut

Number Nut: Subtraction: Subtracting From Two Digit Numbers

For Students K - 1st Standards
Explains how to subtract from two-digit numbers, with or without regrouping.
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Interactive
NumberNut

Number Nut: Subtraction: Subtracting From Three Digit Numbers

For Students K - 1st
Explains how to subtract from three-digit numbers, with or without regrouping.
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Activity
Teaching Treasures Publications

Teaching Treasures: Year Two Math (Page 3)

For Students Pre-K - 1st Standards
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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Whiteboard
ClassFlow

Class Flow: Glowing in the Dark: Two Digit Subtraction

For Teachers 3rd - 5th
[Free Registration/Login Required] This flipchart teaches 2-digit subtraction with and without regrouping using fireflies as manipulatives. It is interactive and self checking.
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Handout
Cool Math

Coolmath: Coolmath4kids: Subtracting Numbers Within 1000

For Students 3rd - 4th Standards
Step-by-step tutorial showing how to subtract numbers less than 1000 in place value columns with and without regrouping. Includes sample problems to try.
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Handout
Cool Math

Coolmath: Coolmath4kids: Subtracting Numbers Within 100

For Students 2nd - 3rd Standards
Short tutorial showing how to subtract using two-digit numbers in tens and ones columns without regrouping.
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Unit Plan
Khan Academy

Khan Academy: Add and Subtract Mixed Numbers With Unlike Denominators 1

For Students 4th - 6th Standards
Practice adding and subtracting mixed numbers with different denominators. No regrouping required. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Lesson Plan
Better Lesson

Better Lesson: Cheerful Shoppers

For Teachers 2nd Standards
Second graders love to shop! Students will use their own shopping list to compose a word problem using addition and subtraction with and without regrouping, in order to help them better understand how to problem solve.
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Unit Plan
Khan Academy

Khan Academy: Subtract 1 or 10

For Students 1st - 3rd Standards
Practice subtracting 1 or 10 from a 2-digit number (no regrouping). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Activity
Teaching Treasures Publications

Teaching Treasures: Year Four Timed Mental Math (Page 2)

For Students 3rd - 5th Standards
Improve your computations skills in all four operations with this timed interactive worksheet. Solve ten problems in five minutes or less. Problems are presented in horizontal format and answers can be checked immediately. This worksheet...
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Lesson Plan
Better Lesson

Better Lesson: Mentally Speaking!

For Teachers 2nd Standards
Using base ten blocks and place value, 2nd graders explore how to become more fluent in adding and subtracting two-digit numbers without regrouping.