EngageNY
Another Computational Model of Solving a Linear System
The process of elimination really works! Use elimination when substitution isn't doing the job. The 29th segment in a series of 33 introduces the elimination method to solving linear systems. Pupils work several exercises to grasp the...
Curated OER
Reteach: Choosing the Method of Computation
For this computation methods worksheet, students read about reasons for choosing various methods, read a sample problem and reasoning, then solve 4 additional problems related to the sample problem. A reference web site is given for...
EngageNY
The Computation of the Slope of a Non-Vertical Line
Determine the slope when the unit rate is difficult to see. The 17th part of a 33-part series presents a situation that calls for a method to calculate the slope for any two points. It provides examples when the slope is hard to...
PBL Pathways
Lake Pollution
Explain the timing of a lake cleanup to the EPA using calculus. A project-based learning opportunity has learners compare rate functions to compute a total change. Their solutions explain the time needed to rid a lake of pollutants.
Curated OER
Discovering Math: Computation
Middle schoolers add, subtract, multiply, and divide rational numbers. They find the square and the cube of numbers. They create a game incorporating computation on rational numbers. Everyone works together to write and evaluate...
Illustrative Mathematics
Extensions, Bisections and Dissections in a Rectangle
Gaining practice in translating a verbal description into a diagram and then an equation is the real point of this similar triangles exercise. Once the diagram is drawn, multiple methods are provided to reach the conclusion. An effective...
Curated OER
Snake in the Grass: Capture/Recapture Activity
Learners estimate the total number of species in Ecuador using the capture/recapture method. They collect data about each species and act as members of a science expedition to determine the total number of species by using mathematical...
Curated OER
Choose the Method of Computation Quiz
In this method of computation quiz, students complete a set of 7 word problems, determining the method of computation and solving. Answers are included on page 2.
Curated OER
Computing Discounts
In this computing discounts worksheet, students with a partner problem solve and calculate the answers to ten word problems and mathematical equations involving sales price, discounts, percents and decimals.
Curated OER
Practice with Euler's Method
In this Euler's Method worksheet, students determine the rate of change in given functions They use Euler's Method to approximate the solution of an equation. This two-page worksheet contains approximately twenty problems.
Curated OER
Estimate or Compute?
In this computation and estimation worksheet, learners take turns with a partner, read the first problem, and determine if the problem requires estimation or computation and circle the matching letter. Students then solve the word...
Curated OER
Worksheet 15: Sequential & Hare Methods
In this Sequential and Hare Method worksheet, students determine the results of elections from given sets of information. They use either the Sequential or Hare Method to determine the outcome. Students justify their answers. This...
Curated OER
Volumes of Solids of Revolution (Disk Method)
Students investigate the concept of computing the volume of solids of revolution using the disk method. The activity requires some access to the Wood Shop to construct needed materials. It includes example problems for the teacher to use.
Curated OER
How Tall is that Tree?
Students apply their math skills to develop an accurate estimate of the height of a tall tree. Three different methods are outlined. All grade levels should be able to perform the shadow method and the proportional method.
Curated OER
Successive Approximations and Euler's Method
In this Euler's method worksheet, students compute the successive approximations for a given function. They compute the piecewise linear function to produce the approximation to the solution of the initial value problem. This four-page...
Curated OER
The Unitary Method
In this math worksheet, students are given a proportion statement. They use this ratio to solve related questions. Students compute the amount of food needed for one person and then for 500 people. Students convert between Euros, Pounds,...
Illustrative Mathematics
Discounted Books
Adolescents love to shop, especially when an item is discounted. Here, shoppers only have a set amount of money to spend. Will they be able to make a purchase with the discount and tax added in? Percent discounts can be calculated...
Teach Engineering
Efficiency of a Water Heating System
Tired of waiting for hot water? Groups of three determine the efficiency of an electric water-heating device. They calculate the amount of energy it takes to heat the water and the theoretical amount of energy required to heat the water....
College of Marin
General Addition and Multiplication Rules of Conditional Probabilities
Making connections between multiple methods of solving problems is an important part of understanding conditional probability. The lesson shows solutions to problems using Venn diagrams, tree diagrams, formulas, and two-way tables....
Teach Engineering
Let's Get it There Fast
Are planes the best shipping method? Using maps, pupils determine the fastest mode of transportation between two cities. Given a list of items to ship, groups decide the best shipping method to finish the 18th segment of a 22-part unit.
EngageNY
Conversion Between Celsius and Fahrenheit
Develop a formula based upon numerical computations. The 31st part of a 33-part unit has the class determine the formula to convert a temperature in Celsius to a temperature in Fahrenheit. They do this by making comparisons between the...
Curated OER
Distances Between Houses
This resource sneaks in the math so your learners will be adding and subtracting positive and negatives on a number line while thinking they are mapping out houses. The activity starts by putting houses the appropriate distance away from...
EngageNY
Computing Actual Lengths from a Scale Drawing
The original drawing is eight units — how big is the scale drawing? Classmates determine the scale percent between a scale drawing and an object to calculate the length of a portion of the object. They use the percent equation to find...
Bowland
Hot Under the Collar
It is close enough for all practical purposes. Pupils see two methods to convert degrees Celsius to degrees Fahrenheit, one with exact numbers and another using estimation. Learners review both methods and determine when the estimation...