Illustrative Mathematics
Fruit Salad
Playing with values in this fruit salad problem allows learners to find out how many cherries were mixed in. Your middle schoolers can organize their thoughts in a chart before going into the equation. Eigth graders can skip the chart...
National Education Support Service
Division Note Cards
Sixth graders create note cards to divide multi-digit whole numbers by two-digit numbers and divide decimals that represent money by whole numbers in a simpler and faster fashion. They write the rules and examples of each on the cards...
Curated OER
Rice and More Rice
Fifth graders explore problem solving strategies for mathematical estimation. In this math problem solving lesson, 5th graders predict how many grains of rice are in a jar, practice establishing and looking for patterns in...
Curated OER
Using Polya's 4 Steps to Problem Solving
Ninth graders solve problems using Polya's 4 steps to problem solving.
Curated OER
Pairs of Whole Numbers
Mathematical reasoning and linear systems are two of the strategies used to solve this number puzzle. Your learners will enjoy the challenge and the variety of ways to approach this challenge.
Curated OER
Geometric Shapes: Area and Perimeter
There's a reason this learning exercise is done in groups! Tricky word problems give geometry scholars a challenge as they use prior knowledge about shapes to find the area and perimeter given a few measurements. Students will enjoy...
DK Publishing
Estimating
Through estimating, scholars are able to make these word problems simpler as they multiply to find approximate answers. Using an example as guidance, they solve five scenarios, each of which has space for learners to show their work. The...
EngageNY
The Division Algorithm—Converting Decimal Division into Whole Number Division Using Mental Math
Make math much simpler with mental math methods. The 16th installment in a series of 21 looks at ways scholars can apply mental math to convert division problems into easier problems with the same quotient. Multiplying or dividing both...
Curated OER
Living on the Edge
Students calculate the volume of polyhedrons. In this algebra lesson, students are asked to solve a complex problem. They identify the length of the edges and the volume of the shape.
Curated OER
Real Math
Students explore careers that require math knowledge and solve real life math problems. As a class, they compare and contrast classroom math to real life math and explore the links between algebra, geometry and math skills used in...
Noyce Foundation
Time to Get Clean
It's assessment time! Determine your young mathematicians' understanding of elapsed time with this brief, five-question quiz.
Curated OER
Chapter 5 Solving Problems
Learners explore the concept of algebra topics. For this algebra topics lesson, students solve linear and quadratic equations. Learners solve systems and factor equations. Students practice problems involving perfect square trinomials...
Curated OER
Problem Solving I
In this problem solving worksheet, students estimate possible solutions to given functions. They determine the solution to given equations. This two-page worksheet contains 2 multi-step problems.
Curated OER
Algebra Skills Sections 23
In this algebra skills worksheet, students solve/simplify 20 short answer problems. Students solve/simplify quadratic, absolute value, exponential, logarithmic, trigonometric, and radical equations/expressions.
Curated OER
Math Challenges
Students participate in a series of challenging math lessons designed to engage their critical thinking skills. In these real-world problem solving lessons, student solve symmetry and repeated pattern problems, make lists/tables to...
Curated OER
Multiplying Decimal Numbers: Using Zeros as Placeholders
Explore decimals with upper graders. They solve problems from their textbook involving decimal multiplication. Afterward, as a class, they check their answers by comparing them to those projected with an overhead projector.
Curated OER
Multiplication Snack Activity
Youngsters study multiplication facts by manipulating food in order to problem solve. They will use healthy snack items as manipulatives to solve various multiplication equations. Charts, tables, physical models, and so much more are...
Curated OER
Square Roots
In this square roots activity, 9th graders solve 10 different problems that include simplifying with negative numbers. First, they identify the negative number in each equation and pull out from under the radical sign as i. Then,...
West Contra Costa Unified School District
Derivative – Standard Definition
Making a clear connection to algebra concepts helps learners understand the definition of a derivative. The lesson begins with looking at limits of simple linear and rational functions, and leads to the definition of the derivative....
Curated OER
Human Coordinate Plane, Using the Distance Formula
Students write the distance formula to solve equations for finding the distance between 2 points. In this distance formula lesson plan, students also write sentences explaining why their formulas would work.
Curated OER
Hierarchical Structure
Pupils practice using the request, response, result method to solve problems. Using one problem as an example, they break it down into multiple problems to be solved one at a time. They identify instances of hierarchical organization...
Inside Mathematics
Conference Tables
Pupils analyze a pattern of conference tables to determine the number of tables needed and the number of people that can be seated for a given size. Individuals develop general formulas for the two growing number patterns and use them to...
Illustrative Mathematics
Harvesting the Fields
This problem involving rates may look simple at first, but it is actually quite challenging. Two different sized fields are harvested by a team of workers and learners must use different rates to calculate the number of workers on the...
EngageNY
Why Were Logarithms Developed?
Show your class how people calculated complex math problems in the old days. Scholars take a trip back to the days without calculators in the 15th installment of a 35-part module. They use logarithms to determine products of numbers and...