Unknown Type
Khan Academy

Khan Academy: Add and Subtract Within 1000 Word Problems

For Students 3rd
Practice one-step addition and subtraction word problems with numbers less than 1000.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Add and Subtract Numbers to 1000 (Grade 3)

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] This learning module features four videos and a set of practice questionsin which students use addition and subtraction to solve problems with more than two values...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Mixed Operations Subtraction and Addition I Word Problems

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video describes how to work backwards using addition and subtraction to solve for a specific value.
Unknown Type
Khan Academy

Khan Academy: Add and Subtract Fractions: Word Problems

For Students 3rd - 5th Standards
In this exercise, students practice adding and subtracting fractions with unlike denominators word problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Activity
Scholastic

Scholastic: Math Maven's Mysteries: The Cuckoo Caper

For Students 3rd - 8th
The famous Clockenheimer Cuckoo is missing from Clockenheimer Clocks on Main Street! Help Math Maven get it back by solving a math riddle.
Interactive
Mr. Martini's Classroom

Mr. Martini's Classroom: Inequalities: Addition and Subtraction

For Students 3rd - 5th
Students add or subtract two numbers to solve the inequalities on these interactive flashcards. The problem changes color when the correct symbol is chosen.
Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Word Problems #3 [Pdf]

For Students 2nd - 3rd Standards
An activity for students to solve simple word problems using addition and subtraction.
Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Word Problems [Pdf]

For Students 2nd - 3rd Standards
Students are to solve multi-step problems involving addition and subtraction.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Saving Money 2

For Teachers 2nd - 3rd
The purpose of this task is for students to relate addition and subtraction problems to money and to situations and goals related to saving money. A problem is given that will contain multiple solutions, this allows students to think...
Activity
University of Cambridge

University of Cambridge: Nrich: Routes 1 and 5

For Students 3rd - 8th Standards
Sharpen your logic and basic arithmetic skills while working on this challenge. Solution.
Unknown Type
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting Lengths Metric Units

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Practice problems involving addition or subtraction of 3 measurements to solve for a specific length.
Unit Plan
Khan Academy

Khan Academy: Add and Subtract Fractions: Word Problems 2

For Students 3rd - 5th Standards
Practice solving word problems by adding and subtracting fractions. The fractions used in these problems have like (common) denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Activity
AAA Math

Aaa Math: Subtraction Equations: 1 Digit

For Students 3rd - 5th Standards
This site describes how to solve subtraction equations and provides an opportunity for students to practice the skill through self-checking exercises and games.
Unknown Type
Khan Academy

Khan Academy: Practice: Add and Subtract Within 100 Word Problems 1

For Students 2nd - 3rd Standards
Practice adding and subtracting within one hundred with these multiple-choice problems.
Unknown Type
Khan Academy

Khan Academy: Practice: Add and Subtract Within 100 Word Problems 2

For Students 2nd - 3rd Standards
Practice adding and subtracting within one hundred with these multiple-choice problems.
Unit Plan
CK-12 Foundation

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

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a series of multi-operation problems with addition and subtraction of three-digit numbers to determine which does not match the...
Lesson Plan
Other

Pbs Teachers: Check It Out [Pdf]

For Teachers 3rd - 8th
Reinforce problem-solving, estimation, addition, and subtraction skills by playing a game in which learners are required to use a checkbook to keep track of a vacation budget. Requires Adobe Reader. [PDF]
Activity
Teaching Treasures Publications

Teaching Treasures: Year Five Math (Page 2)

For Students 3rd - 8th Standards
Use this interactive worksheet for practice or assessment of basic computation skills. Problems covering all four operations are included such as four-digit addition and subtraction and multiplication and division facts through twelve...
Activity
Other

Welcome to mr.r's World of Math!!!

For Students 3rd - 5th Standards
At this site, math word problems are presented in an exciting and creative format. Students attempt to find solutions to hilarious situations using their mathematical skills. To do this they must solve various math problems in a certain...
Lesson Plan
Alabama Learning Exchange

Alex: Number Clues

For Teachers 3rd - 5th
This lesson allows students to observe and participate in problem solving activites involving mystery numbers, clues, and characteristics of numbers. This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting Numbers Up to 20 Word Problems

For Students 2nd - 4th Standards
[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.
Whiteboard
ClassFlow

Class Flow: Problem Solving Techniques

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] This flipchart demonstrates techniques for problem solving and gives students concrete examples of how to solve problems, eliminate unnecessary information and access the correct operation to solve the...
Activity
Other

Maths.cilenia.com: Addition

For Students 1st - 4th Standards
Students will practice addition. subtraction, multiplication, and division by changing the sign and solving.
Lesson Plan
ArtsNow

Arts Now Learning: What Is the Story of the Word Problem? [Pdf]

For Teachers 2nd - 4th Standards
This activity will assist students in visualizing and solving situations presented in word problems.