Education Development Center
Rectangles with the Same Numerical Area and Perimeter
Is it possible for a rectangle to have the same area and perimeter? If you disregard units, it happens! In a challenging task, groups work to determine the rectangles that meet these criterion. The hope is that learners will naturally...
Charleston School District
Contextualizing Function Qualities
Let the graph tell the story! Adding context to graphs allows learners to analyze the key features of the function. They make conclusions about the situation based on the areas the graph is increasing, decreasing, or has a maximum...
EngageNY
Wishful Thinking—Does Linearity Hold? (Part 1)
Not all linear functions are linear transformations — show your class the difference. The first instructional activity in a unit on linear transformations and complex numbers that spans 32 segments introduces the concept of linear...
Chemistry Collective
Virtual Lab: Acid Dilution Problem
There's no risk of injury when working with virtual HCl! Challenge your young chemists with making calculations to create a 3M solution of HCl from the concentrated acid. They first calculate the correct ratios of HCl and water and then...
Concord Consortium
Divisions
Divide and conquer the geometry problem. Young scholars consider how to subdivide triangles into smaller ones that have equal areas. They must apply their knowledge of medians to help accomplish the task.
Illustrative Mathematics
Sum of Angles in a Polygon
How can learners use algebra to solve a geometry problem? Help learners create an equation that shows the relationship between the number of sides of a polygon and the sum of the interior angles. Students are asked to divide the...
Hotchalk
Triangle Sum Theorem
Your visual geometry learners will appreciate triangle drawings as they model the triangle sum theorem and algebraically solve to find the missing interior angle in a triangle. Practice problems increase in complexity and vary in their...
Math Worksheets 4 Kids
Sorting 2-D and 3-D Shapes
Challenge mathematicians to examine and sort a variety of 2-D and 3-D figures with a 10-problem solid shapes worksheet.
Curated OER
Real Life Challenge
Students solve word problems using words and mathematical symbols. In this algebra lesson, students verbalize what they do to arrive at their answers. They set up their problems algebraically as they apply their knowledge of math to...
Curated OER
How Many Frogs? challenge
In this addition word problem worksheet, students add to solve the first problem. use that sum to solve the following problem, and continue solving problems with the previous sums. Students solve four problems.
Curated OER
Tens and Ones, Tickets and Books challenge
For this addition word problem worksheet, students add books of ten tickets plus additional tickets to find the totals and use the sums to answer additional problems. Students solve seven problems.
Curated OER
You've Got My Number challenge
In this finding the number word problem worksheet, students use the clues one more is and ten more is to discover the mystery number. Students solve eight problems.
Curated OER
Chalkboard Challenge: 5th Grade Math Review
This math review PowerPoint engages fifth grade students in an interactive review of math concepts. This review game includes questions on numeration, data interpretation and number theory. This is in a "Jeopardy" style format.
Curated OER
Repeat It challenge
In this recognizing pattern worksheet, students observe sets of patterns, identify the patterns that repeat, and choose the picture that most likely comes next. Students solve five problems.
Curated OER
Solid Shapes challenge
In this recognizing shapes worksheet, students identify the pictures that have round or rectangular shapes, count each shape, and write the total numbers. Students solve eleven problems.
Curated OER
How Much? challenge
In this counting money worksheet, students count coins to show prices of objects, draw the coins, identify the amount that is less, and show the price with the fewer coins. Students solve three problems.
Curated OER
Money Challenge
In this coin worksheet, 2nd graders count up the coin amounts given to them. Students complete 10 problems where they count up coin amounts.
Curated OER
Division Word Problems Three- Version 1
In this word problems worksheet, students read the word problems and use division to solve the problems. Students solve 5 problems.
Curated OER
Multi-Step Problems
In this word problems worksheet, students recognize the steps to solving a word problem. Students look at one word problem, list the steps they will take and then solve the problem showing all of their work.
Curated OER
Mental Math
In this multiplication activity, students use mental math strategies to multiply 2 digit numbers together. Students complete 7 problems.
Curated OER
Working Backwards as a Problem-Solving Strategy
In this problem solving strategy learning exercise, 3rd graders roll a dice three times and record the number in the hundreds, tens and ones place on the chart, then solve an addition and subtraction problem with that number.
Curated OER
Problem-Solving Strategy
For this problem solving strategy worksheet, students write a series of equations using a scenario given at the top of the page. A reference web site is given for additional activities.
Curated OER
Problem Solving: Too Much, Too Little Information
In this too much/too little problem solving worksheet, students complete a set of 5 problems, using a table of information to determine whether too much or too little information is given before solving.
Curated OER
Problem Solving Strategy: Make a Table
In this making a table worksheet, learners solve money word problems by completing the table and answering short answer questions. Students complete 2 problems.