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. Learners 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.
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.
Curated OER
Real Life Challenge
Students solve word problems using words and mathematical symbols. In this algebra lesson plan, 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
In 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
For 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 instructional activity, 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
Problem-Solving Strategy
In this problem solving strategy worksheet, learners 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
Multi-Step Problems
In this word problems activity, 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 worksheet, 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: 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 activity, students solve money word problems by completing the table and answering short answer questions. Students complete 2 problems.
Curated OER
Multi-Step Problems
In this multi step problem worksheet, students complete a set of 3 problems based on given information about dog's life in year versus a human's life in years.
Curated OER
Shortest Distance Problem
In this algebra activity, students solve 1 shortest distance problem. This is a challenging problem that requires students to apply knowledge and use their critical thinking skills. A fully explained solution is included.
Curated OER
The Telephone Problem
This algebra challenge problem gets students using their algebraic reasoning. Students are given the task of determining a new phone number given particular variables. This 'worksheet' contains one problem to solve and the solution.
Curated OER
Read and Write Numbers up to 100,000
Use this lengthy, and challenging, presentation in your lesson on numeracy. Pupils practice their skills in reading and writing numbers up to 100,000, interpret a variety of graphs, solve word problems, and get to use a calculator. A...