Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting 2 Digit Numbers Without Regrouping

For Students 2nd - 4th
[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...
Unknown Type
Khan Academy

Khan Academy: Adding Two Digit Numbers (No Regrouping)

For Students Pre-K - 1st Standards
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.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting 2 Digit Numbers Without Regrouping

For Students 1st - 2nd Standards
[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.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding Two Digit Numbers Without Regrouping

For Students 2nd - 4th
[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.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding Two Digit Numbers Without Regrouping

For Students 1st - 2nd Standards
[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.
Unit Plan
Khan Academy

Khan Academy: Subtract 2 Digit Numbers (No Regrouping)

For Students 1st - 3rd
Practice solving problems like 45 - 24. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Add 2 Digit Numbers (No Regrouping)

For Students K - 1st Standards
Practice solving problems like 24 + 45. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Multiply Without Regrouping

For Students 3rd - 5th
Multiply 2- or 3-digit numbers by 1-digit numbers. No regrouping or carrying. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

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

For Students Pre-K - 1st Standards
In this exercise, students practice adding 1s or 10s (no regrouping). Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unit Plan
Khan Academy

Khan Academy: Subtract 2 and 3 Digit Numbers (No Regrouping)

For Students 1st - 3rd Standards
Practice solving problems like 452 + 241. 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: 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: 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.
Unit Plan
Khan Academy

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

For Students K - 1st
Practice solving problems like 34+5 and 34+50. 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 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.
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...
Handout
Cool Math

Coolmath: Coolmath4kids: Adding Numbers Within 100

For Students 2nd - 3rd Standards
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
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.
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...
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...
Unknown Type
Lizard Point Quizzes

Lizardpoint: Multiplication Practice

For Students Pre-K - 1st
Lizard Point provides practice using several difficulty levels of multiplication problems. It has single digit times single digit, single digit times two digit, two digit times two digit, and three digit times three digit. When you are...
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
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.
Activity
Lizard Point Quizzes

Lizard Point: Addition Practice

For Students Pre-K - 1st Standards
Practice several different levels of difficulty of addition problems from single digit all the way up to 3 digit with regrouping. You can also choose single digit addition with negative numbers. When you are finished you can print your...
Unknown Type
Other

Project Happy Child: Multiplication Worksheets

For Students Pre-K - 1st
2000 basic multiplication worksheets are available at this web site. They can be printed and used for a variety of practice purposes. Some helpful hints are included to avoid mindless practice that could quickly become counter productive.