Interactive
Howard Hughes Medical Institute

Stopping Mosquito-Borne Disease

For Students 9th - 12th Standards
Fifty million people catch dengue fever each year. Understanding the transmission and symptoms of this disease helps people prevent and treat it. Learn about multiple intervention strategies and view graphs of their effects to stop the...
Worksheet
Curated OER

Problem-Solving Strategy: Make an Organized List

For Students 6th - 7th
In this organized list worksheet, students review the problem solving strategy of reading for information and using a math model or organized list to solve the problem. Students then complete the two problems by using organized lists.
Worksheet
Curated OER

Problem-Solving Strategy: Use Logical Reasoning: Reteach

For Students 4th - 5th
In this math tables worksheet, students review the word problem to gain an understanding of the information in the table. Students then review the use of the model to solve the word problem. Students then use the same steps to solve the...
Lesson Plan
Curated OER

Math: Reaching New Heights

For Teachers 6th - 8th
Students apply math skills to assess the range, mean, mode, and median of data sets. Using a "Reaching New Heights" worksheet, they review and discuss how to calculate the answers. Students write complete explanations of all their...
Lesson Plan
Curated OER

Math: Equal Area Triangles

For Teachers 6th - 8th
Students examine a math worksheet and determine how to divide a single triangle into four of equal area. Using geometric principles, they sketch two additional ways to divide into into four equal triangles. To conclude, students...
Lesson Plan
Curated OER

Money Matters

For Teachers 2nd - 5th
Students practice spending money by completing math word sentences.  In this economics lesson plan, students utilize problem solving strategies to complete word problems written on the board involving making purchases with money....
Lesson Plan
Curated OER

Problem Solving

For Teachers 1st
First graders explore problems and solutions. In this math lesson, 1st graders brainstorm problems they have encountered and how they solved them. Then students watch a video about how professionals solve problems. After sharing their...
Lesson Plan
Curated OER

Guess and Test/Make a Table

For Teachers 7th - 8th
Learners explore problem solving strategies.  In this middle school mathematics lesson plan, students investigate the guess and test and make a table problem solving strategies.  Learners work in pairs to apply the problem...
Lesson Plan
Alabama Learning Exchange

Find a Pattern Using Children's Literature

For Teachers 6th
Sixth graders listen to Demi's, On Grain of Rice: A Mathematical Folktale. They use the problem solving strategy of finding a pattern to determine the number of rice Rani will receive after 30 days. They create a spreadsheet which...
Lesson Plan
Curated OER

Number Lines

For Teachers 1st
First graders examine the number line as an addition strategy. In this math lesson, 1st graders create a number line and use it to help them solve addition problems.
Worksheet
Curated OER

Draw a Picture

For Students 4th - 5th
In this problem solving strategies activity, students read and analyze the instructions and examples for drawing a picture to solve a math problem. Kids solve 1 problem pertaining to students' positions in a line.
Lesson Plan
Curated OER

Strategies for Dividing Numerically

For Teachers 4th - 6th
Students watch a video clip and complete activities to learn about division. In this division lesson, students watch a quick-time video about a Halloween candy division problem. Students use candies to create a solution to the video...
Lesson Plan
Curated OER

Reptile and Amphibian Defense Strategies

For Teachers 5th - 12th
Students study the stages of the Eastern newt either by collecting a live specimen or from pictures. They note the colors of the eft stage before reading the "Eastern Newt Species Account" that shows the newt's life stages, migration,...
Lesson Plan
Curated OER

Math: Symmetry and Similarity

For Teachers 6th - 8th
Students describe the differences between congruence and similarity. After explaining the motions that indicate congruency of two shapes, they complete worksheets to draw lines of symmetry and similar shapes. With straws and twist...
Worksheet
Curated OER

Addition

For Students 1st - 2nd
In this addition learning exercise, students enhance their simple addition skills using addition strategies to solve the two worksheets of addition problems.
Worksheet
Curated OER

Subtracting 2-Digit Numbers Mentally

For Students 3rd - 6th
In this subtraction worksheet, students subtract 2 digit numbers from each other using mental math. Students complete 12 problems and 9 comparison problems.
Lesson Plan
Curated OER

Working Backwards

For Teachers 3rd - 5th
Students explore the concept that to solve some problems, they may need to undo the key actions in the problem. This strategy is called working backwards asking the appropriate questions.
Worksheet
Curated OER

Mental Addition of 3 Numbers pg. 2

For Students 3rd - 5th
Mental math is a wonderful skill for students to hone. In this mental math addition worksheet, students apply addition fact family strategies to find the sum. Students solve 16 problems.
Lesson Plan
Curated OER

Apple Logic and Problem Solving

For Teachers 4th - 6th
Students examine apple production in the United States. In this interdisciplinary lesson, students use problem solving strategies introduced to solve math problems associated with apple production in the United States. Student collect...
Worksheet
Curated OER

Problem Solving Strategy: Find a pattern

For Students 2nd - 4th
In this patterns learning exercise, students view a pattern and answer short answer questions about it. Students complete 4 questions about the pattern.
Worksheet
Curated OER

Problem Solving Strategy: Work Backward

For Students 3rd - 5th
For this problem solving challenge worksheet, students work backward to solve a set of 5 word problems. Answers are included on page 2.
Lesson Plan
Curated OER

The Power of Algebra

For Teachers 1st
First graders explore patterns. They look for patterns in number problems and use algebra as a means of solving general problems. Students devise a strategy to solve the number problem.
Worksheet
Curated OER

Problem-Solving Strategy: Use Logical Reasoning, Practice

For Students 2nd
In this logical reasoning worksheet, 2nd graders solve 3 word problems, showing their work. Reference to a Houghton Mifflin text is given.
Worksheet
Curated OER

Problem Solving Strategy: Write an Equation

For Students 4th - 5th
In this writing equations worksheet, students complete a writing equation problem by following the steps of understanding the problem, planning the equation, solving the steps for the equation, and then looking back at the inverse...

Other popular searches