Curated OER
Problem Solving: 100 Board Logic Problems
Get mathematicians engaged with number terminology using this puzzle activity! Learners determine the selected number from a hundred board by eliminating numbers using clues. As a group, each learner has a specific role, outlined in the...
EngageNY
Solve for Unknown Angles—Angles and Lines at a Point
How do you solve for an unknown angle? In this sixth installment of a 36-part series, young mathematicians use concepts learned in middle school geometry to set up and solve linear equations to find angle measures.
Curated OER
Solving Linear Inequalities
Walk the class through the steps of how to evaluate linear inequalities in one variable and graph the solution set. Define and discuss key vocabulary terms, then have individuals work problems of varying difficulty. Included are word...
NASA
Exploration of a Problem: Making Sense of the Elements
When given too much data to simply memorize, it helps to sort it into manageable groups. The second activity in the six-part series of Cosmic Chemistry challenges groups of pupils to take a large amount of data and figure out how to best...
Fraction Bars
Solving Word Problems - Whole Numbers Times Fractions
An impressive instructional activity where pupils visualize models and solve problems involving multiplying a whole number times a fraction. Fraction bars are used to help learners truly understand what's happening during this...
EngageNY
Solving Area Problems Using Scale Drawings
Calculate the areas of scale drawings until a more efficient method emerges. Pupils find the relationship between the scale factor of a scale drawing and the scale of the areas. They determine the scale of the areas is the square of the...
Illustrative Mathematics
Guess My Number
Make a game out of solving equations. This particular activity works well for pairs of learners. Follow the instructions to have player one pick a number and player two verbally give an equation. Participants need to make sense of a...
Curated OER
Solving Algebraic Equations: Algebra/Geometry Institute
Students solve problems using PEMDAS. In this algebraic equations lesson, students evaluate expressions using real number properties. They play "Math Jeopardy" to reinforce the order of operations.
Curated OER
What's Missing Here? - Necessary Information
Take your third graders' problem-solving skills to the next level. Six word problems need a solution, but they aren't solvable in their current forms. Learners explain the piece of missing information that they need to solve the word...
Illustrative Mathematics
Equations and Formulas
Your class is asked to use inverse operations to solve eleven equations for unknown variables or to rearrange formulas to highlight a quantity of interest. By using the same reasoning as solving one- and two-step equations, algebra...
Curated OER
Mixed Addition and Subtraction Word Problems 2, Version 4
In this finding the sum and difference word problem activity, 2nd graders add or subtract to problem solve. Students solve 5 problems.
Curated OER
Word Problems Dealing with Ratio and Proportion
Mindful middle-schoolers read and solve a number of word problems. Learners copy and discuss what they believe their strategies are in solving each problem. They also write their findings and share with the rest of the class.
Curated OER
Solving Crosses
Genetics hopefuls solve Punnett Squares for monohybrid and dihybrid crosses. An example of each is provided to teach the process. Other heredity patterns are mentioned and genetic disorders are listed in the second half of the...
Curated OER
Division Grids Starter
Did you know you can use a grid to solve triple-digit division, just like you can with multiplication? Present this helpful problem-solving strategy to give your class a good way to build proficiency in solving more complex division...
Curated OER
Visualizing Skip Counting by 2
Drawing pictures to solve math problems is not only a good problem solving strategy, it's also mathematical modeling. First graders read six basic word problems that have them skip count by twos to find the answer. They draw pictures in...
Illustrative Mathematics
Solving Equations
If you have two bags with an unknown number of tiles, represented by x, and you add three tiles to get seven total, you can set up a linear equation to represent the problem. Use this example and a few others to demonstrate how to solve...
Illustrative Mathematics
Field Day Scarcity
Introduce young mathematicians to concepts of financial literacy with this open-ended word problem. With seven dollars to spend during field day and given a list of available items and their prices, children must determine how they want...
Curated OER
Solving Applications Using Quadratic Equations
In this solving applications worksheet, learners translate word problems to number sentences. They solve the created quadratic equation. This three-page worksheet contains 12 problems.
Curated OER
"Samantha Loves Cookies"
In this math problem solving activity, students read a bar graph showing numbers of different kinds of cookies to solve word problems. Students solve 7 problems.
Curated OER
Subtraction Grid Starter
Solving three-digit subtraction problems can be as easy as drawing a four by four grid. Learners practice using a grid to solve two subtraction problems.
Curated OER
Solving Problems Involving Subtraction
Here is an excellent lesson plan on solving subtraction word problems using fractions and mixed numbers. Learners complete three activities that will help them to explore and better-understand the world of mixed numbers. Fraction bars...
Curated OER
Problems!!!
For this word problems worksheet, students read word problems about one person telling the truth and one telling a lie and they figure out which is which. Students complete 4 problems.
Curated OER
Practice Makes Perfect
In this solving for a variable worksheet, students use multiplication and division to solve problems. Students complete six problems by solving an equation.
Curated OER
Logic Problems
Using the number attributes they have learned, math detectives uncover the mystery number in each of these logic problems. For the three problems they examine the clues and sets of numbers, using key vocabulary such as greater than,...