CK-12 Foundation
Problem Solving Plan, Mental Math: The Perfect Lemonade 1
Find the perfect amount of water for lemonade. Scholars solve the famous problem of measuring four liters of water using a three-liter container and a five-liter container. An interactive allows users to see each step of the solution.
Curated OER
Problem Solving Strategies Post Test
In this problem solving strategies activity, students answer a set of 10 multiple choice questions. Students may click on a link to see correct answers.
CK-12 Foundation
Problem Solving Plan, Mental Math: The Perfect Lemonade 2
Drink in this resource. Young problem solvers investigate a different way of looking at the problem of filling four liters of water from a three-liter cylinder and a five-liter cylinder. Isometric grids help with this understanding.
Curated OER
We Can Solve This Problem
In this problem solving strategy worksheet, 5th graders answer ten multiple choice questions about the steps of solving a word problem. This is an interactive worksheet.
NASA
Resolving 3-Plane Traffic Conflicts by Changing Route—Problem Set C
Keep the planes from crashing. Pupils work with three airplanes and change their flight paths to keep them at a safe distance from each other. Individuals work through three problems in the third interactive in a set of six with...
CK-12 Foundation
Problem Solving Plan, Estimation with Decimals: Shopping
Mathematicians go on a virtual shopping trip in an interactive designed to boost the concept of estimation. Scholars read and answer five questions—multiple-choice, true or false, and a discussion—with help from a drag-and-drop shopping...
CK-12 Foundation
Problem-Solving Models: Subway vs. Taxi
Ride to success in understanding systems of equations. Scholars graph a system of equations on the cost of a subway and a taxi using an interactive. Using this graph allows users to answer some questions about the situation.
NASA
Resolving 2-Plane Traffic Conflicts by Changing Route—Problem Set B
Do pilots create appropriate spacing between aircraft by traveling a longer or shorter path? An interactive presents two airplanes that violate safety protocols. Pupils must determine how to change the path of one plane to create...
ABCya
Civiballs Christmas
For the holiday season, timing is everything—and a Civiballs game is no exception! Learners use strategy, timing, and a little bit of computer-generated luck to solve each level of a game in which they cut chains to release ornaments...
Physics Classroom
Kelper's Three Laws
A flipped classroom lesson introduces astrophysics fanatics to Kepler's three laws of planetary motion. After reading about the laws of ellipses, equal areas, and harmonies, and also learning how Newton's gravitation concepts come into...
Curated OER
Problem Solving: Write an Equation
For this equation worksheet, students read a simple word problem, write an equation to solve it, then write their own story problem and equation.
CK-12 Foundation
Pythagorean Theorem to Determine Distance: Ladders
Young mathematicians to the rescue! Pupils use an interactive to find lengths relating a ladder against a building. The problems involve determining how long a ladder must be to reach a given floor to what floor can a given ladder reach.
CK-12 Foundation
Direct Variation: Value of a Painting
Help your pupils find a pattern of direct variation. Young scholars use input-output pairs to find a constant of variation and then write the equation. As they build their equations, the interactive lesson provides feedback.
CK-12 Foundation
Mental Math to Evaluate Products: Mental Math Halloween Candy
Time to put those mental math strategies into play with an interactive that has learners thinking about how many candies three friends get altogether.
ABCya
A Blocky Christmas!!
And you thought holiday shopping was tough! A fun Christmas game prompts players to direct a star block into position with the arrow keys on their keyboard. As they progress through levels, they use the star block to move additional...
Curated OER
Fraction Word Problems
In this fractions worksheet, students complete fraction word problems containing 1 digit numbers. Students complete 4 problems total.
Curated OER
Fractions Two-Step Word Problems-Mixed Numbers
In this fractions activity, students complete word problems containing fractions and mixed numbers. Students complete 12 problems.
Curated OER
Grade 5 Basic Math
In this grade 5 math instructional activity, 5th graders answer a set of 22 multiple choice problem solving and estimation questions. Worksheet may be completed on-line and answers submitted.
Curated OER
Fill in the Blank: Addition Number Sentence
In this online interactive math skills worksheet, students examine an addition sentence and fill in the blanks to appropriately finish it. Students may submit their answers to be scored.
Curated OER
Fill in the Blank: Addition Number Sentence 2
In this online interactive math skills learning exercise, students examine an addition sentence and fill in the blanks to appropriately finish it. Students may submit their answers to be scored.
CK-12 Foundation
Determination of Unknown Triangle Measures Given Area: Jib Sheets
Solving triangles is a breeze. Young boat enthusiasts solve problems involving triangles in the context of sails on a boat. They must apply different strategies, including the Law of Cosines and area formulas.
Helping with Math
Multiplying by Multiples of 10
Elementary schoolers solve six problems, multiplying by multiples of 10. They line up the numbers as shown and then check their answers online.
Curated OER
My Test Book: Addition and Subtraction
In this online interactive math skills worksheet, students solve 10 multiple choice math problems that require them to add and subtract using 2-digit numbers. Students may submit their answers to be scored.
Curated OER
My Test Book: Addition and Subtraction 2
In this online interactive math skills activity, students solve 10 multiple choice math problems regarding 2-digit addition and subtraction. Students may view the correct answers.