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Interactive
CK-12 Foundation

Differences of Fractions with Different Denominators

For Students 6th - 8th Standards
Subtracting fractions with unlike denominators is the focus of an interactive designed to boost mathematicians' problem-solving skills. Five questions challenge participants to answer multiple-choice and true or false questions with help...
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Interactive
Scholastic

Study Jams! Rate

For Students 4th - 6th Standards
Zoe is reading books over vacation and wants to know at her current rate, how many will she finish by the end. Building on prior knowledge of fractions and ratios, young mathematicians learn how equivalent rates are used to answer her...
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Interactive
Royal Society of Chemistry

Acids and Salts

For Students 6th - 12th
How well do your young chemists know their acid-base reactions? Reinforce neutralization reaction and problem-solving skills with a challenging interactive. Learners examine the reactants, then predict the outcome in a series of...
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Interactive
Royal Society of Chemistry

Ionic Formulae 1

For Students 6th - 12th Standards
The ionic formula for banana would be BaNa2. Scholars work their way through four puzzles reviewing ionic formulas. Each puzzle requires scientific knowledge as well as logic and problem-solving skills.
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Interactive
Scholastic

Study Jams! Function Tables

For Students 3rd - 6th Standards
Each week Mia saves a certain portion of the earnings from her babysitting job. Help her figure out how much she can save this week with a step-by-step presentation on function tables. Given a set of inputs and outputs, the process for...
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Activity
PBL Pathways

Total Cost to Produce the Turbo Blender

For Students 11th - Higher Ed
Class members blend their knowledge of functions and problem-solving skills to provide business advice to the Turbo Blender manufacturers. Through a project-based approach, learners examine marginal cost data to produce a function. They...
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Lesson Plan
Curated OER

Problem Solving Strategy for Multi-step Math Problems

For Teachers 3rd
Third graders analyze mathematical word problems and interpret the words into mathematical equations. Individuals demonstrate their knowledge of the order of operations both verbally and through written expression.
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Lesson Plan
Curated OER

Problem Solving in Genetic Disorders

For Teachers 10th - 12th
A class of older and academically mature students are divided into pairs, usually one male and one female and are told that they are expecting a child. Unfortunately, their child may or may not have inherited some form of genetic...
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Worksheet
Curated OER

Problem Solving Strategies: Patterns

For Students 9th - 11th
What's next in the series? Mathematicians study figures, graphs, and statements to determine what comes next in this patterns worksheet. They experiment with a multiplication chart and draw their own figures to continue specific...
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Worksheet
Curated OER

Division Word Problems: Split The Bill

For Students 4th - 5th
In this division activity, learners solve a total of 7 problems. All problems ask students to "split a bill" between a number of people. Answers are included on page 2.
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Lesson Plan
Curated OER

Personal and Ethical Skills

For Teachers 4th
Fourth graders work together and generate a list of skills needed to work with diverse groups of people. They brainstorm the meaning of "diversity."' Students write as many skills as they can in two minutes. They listen and share ideas...
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Worksheet
Curated OER

Problem-Solving Decisions: Reasonable Answers

For Students 5th - 6th
For this problem solving worksheet, students answer 6 questions pertaining to a story problem about a tabletop scale model of the Nile River.
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Worksheet
Curated OER

Addition: Number Sentences 2

For Students 1st - 2nd
In this addition practice worksheet, students use their problem solving skills to write addition sentences to solve each of the 5 word problems.
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Worksheet
Curated OER

Subtraction Word Problems 3

For Students 2nd - 4th
In this subtraction word problems worksheet, students use their problem solving skills to solve 5 word problems that require them to subtract numbers.
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Worksheet
Curated OER

Mixed Operation Word Problems 1

For Students 4th - 5th
In this mixed operations word problems worksheet, students use their problem solving skills to solve 5 problems that require them to add, subtract, multiply, and divide.
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Worksheet
Curated OER

Money Word Problems

For Students 3rd - 4th
In this money word problems worksheet, students solve 6 word problems that require them to add and subtract monetary values.
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Worksheet
Curated OER

Shape Problems

For Students 4th - 6th
In this shape word problems worksheet, students use their problem solving skills to solve 12 word problems that require them to add, subtract, divide, or multiply.
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Worksheet
Curated OER

Mixed Operations Math Word Problems

For Students 3rd - 4th
In this math word problems learning exercise, students use their problem solving skills to solve 5 story problems that require them to add, subtract, multiply, and divide.
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Worksheet
Curated OER

Hidden Shapes

For Students 1st - 2nd
In this early childhood math practice worksheet, students use problem solving skills to find as many squares and rectangles as they can hiding in larger shapes.
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Worksheet
Curated OER

Speed Skater Maze

For Students 2nd - 4th
In this speed skater maze instructional activity, students use problem solving skills to get the speed skater through the skate maze to the finish line.
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Worksheet
Curated OER

Mixed Operations Math Word Problems 2

For Students 3rd - 5th
For this math word problems worksheet, students use their problem solving skills to solve 7 story problems that require them to add, subtract, multiply, and divide.
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Lesson Planet Article
Curated OER

Preschoolers and Science Skills

For Teachers Pre-K - K
You can encourage critical thinking and problem solving by allowing young children to participate in hands-on science activities.
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Worksheet
Lane Community College

Review Sheets: Beginning Algebra

For Students 6th - 9th Standards
This jumbo worksheet contains everything you need to get through Pre-Algebra. Begin with simple expressions, and end with linear functions and polygons. There are multiple problems for each topic to make sure those skills are set. 
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Lesson Plan
iCivics

Step Seven: Brainstorm A-Brewin'

For Teachers 6th - 8th Standards
Brainstorming—the art of coming up with endless ideas. Pupils brainstorm how to solve local problems in their counties and eventually narrow their ideas down to one solution as a team.

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