CK-12 Foundation
Ck 12: Elem Math: Adding Two Numbers Sums to 20 Word Problems
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve an addition word problem with a sum up to 20. The video is followed by additional practice problems.
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting Numbers Up to 20 Word Problems
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve word problems where they have to add or subtract 3 or more numbers.
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting Numbers Up to 20 Word Problems
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve word problems using both addition and subtraction. The video is followed by additional practice problems.
Alabama Learning Exchange
Alex: Camp Add 'Em Up Iii
Camp Add 'Em Up is a series of lessons for first grade learners. Students will use prior knowledge of friendly numbers (two number combinations that make a "10") and "adding on" as they master the ability to add three numbers. In this...
Other
Math Game Time: Adding Multiple Integers
A worksheet for practicing the addition of positive and negative numbers up to 20. An answer key is provided. The printable file can be accessed through the 'Click Here' link at the bottom of the worksheet.
Khan Academy
Khan Academy: Adding Three Numbers
In this exercise, students practice addition and subtraction within 10. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Add 3 Numbers
Practice adding 3 numbers. All numbers in these problems are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add Within 20
Practice adding. All numbers in these problems are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Elem Math: Adding Multiple One Digit Numbers Word Problems
[Free Registration/Login may be required to access all resource tools.] The video describes how to add multiple 1-digit numbers from a word problem. The video is followed by additional practice problems.
PBS
Pbs Learning Media: Move That Math: Lesson Plan
Combine addition of numbers identified from playing cards with physical activity to engage students and increase overall fitness. This lesson plan describes a twenty to twenty five minute series of activities that require two decks of...
Wyzant
Wyzant: Simplifying Multiple Signs Worksheet
Dealing with multiple positive and negative signs in an algebra equation can be a challenge for some students. This inter-active quiz from WyzAnt provides 20 multiple-sign equations and their answers for students to test their knowledge.
Khan Academy
Khan Academy: Addition and Subtraction Word Problems 1
Practice adding and subtracting to solve word problems. Numbers used are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Addition and Subtraction Word Problems 1
Practice adding and subtracting to solve word problems. Numbers used are 20 or less.