Students define the different methods used for optimizing a particular element of a problem. In this optimization problem lesson, students optimize appropriate details of a problem using data collection, algebra, technology, and/or...

In this orbital period worksheet, students solve 2 problems about satellites and their orbits. They determine how many days it takes for two satellites to be in "opposition", they find the least common factor between their orbit periods...

In this calendar instructional activity, students learn to use a calendar to find the elapsed time using the dates in the word problems. Students solve six problems.

In this math worksheet, students solve 12 real life math word problems pertaining to bus schedules and elapsed time. This page is from the UK and the cities and towns are from that region.

Students track movements of ships, tugboats, and barges on the Hudson River estuary in order to practice addition and subtraction skills. They solve word problems by reading and interpreting data from a table. They calculate distances...

Students choose the correct strategy to solve multiplication and division. In this algorithm lesson, students use at least two strategies that use properties of operations and estimation. Students also recognize the relationship between...

Eight multi-step chemistry problems, including analyzing a titration, writing equations, predicting products and limiting reagents, calculating concentrations of ions, and using stoichiometry to solve for unknowns in reactions make up...

Only eight problems are on this competitive national chemistry exam. It required the balancing of chemical equations, solving stoichiometry questions, and more. This is part two of three of the national exam. Also available is a...

Is time on your side? Pupils come up with an experiment to test whether their classmates can guess how long it takes for 30 seconds to elapse. They divide the class data into two groups, create box-and-whisker plots, and analyze the...

Students practice their problem solving skills. In this addition and subtraction instructional activity, students solve story problems regarding the delivery of consumer goods.

In this chemistry activity, test takers answer 60 multiple choice questions on topics related to chemistry from balancing equations to calculating moles and molecules of compounds. They name formulas, they convert, they solve problems on...

Third graders pracdtice telling time with a demonstration clock.

Here is a (great) lesson on using parentheses! The task requires the expression of ages using algebraic expressions, including the distributive property. Pupils use their expressions to determine the individual ages.

Third graders measure the speed at which they can walk in order to understand speed and distance traveled. They then research the history of transportation and express data in a class timeline.

For this magnetic reconnection worksheet, students solve seven problems using the data and graphs from the THEMIS satellite constellations, which show a series of events triggered by a magnetic reconnection. Students interpret the data...

In this modeling the Keeling Curve activity, students use given data beginning in 1960 to create a mathematical model for the changes in atmospheric carbon dioxide over time. Students manipulate the equation to predict the carbon dioxide...

In this half-life worksheet, students use a given table of half lives, mass, time and amount of original sample to solve for unknowns in nine given half-life problems.

In this solar flares worksheet, students observe a sequence of figures of a solar flare observed in 2003 from the Ramaty High Energy Solar Spectroscopic Imager satellite. Students solve 6 problems including finding the scale of each...

For this variables and expressions worksheet, students solve 7 problems using different mathematical formulae to find the length of Earth's day in the future, the distance to the galaxy Andromeda, the temperature of a gas cloud emitting...

In this comet tail disruption worksheet, students solve 7 problems using two images from NASA's STEREO satellite showing the breakup of the comet's tail. Students analyze the diagram and use the scale to solve the problems about time,...

In this solar tsunami instructional activity, students are given three images of the progress of a Morton Wave on the sun. They solve six problems using the images to find the radius of the sun's disk, the scale of the image, and the...

In this algebra worksheet, 9th graders investigate what the best method is to time the 15 minutes required to boil an egg. They use two hour glass with different time measurements to answer this question.

Fourth graders memorize the poem, Thirty Days Hath September in preparing for learning about the number of days in the months and year. Once memorized, they practice using the calendar to count the number of days in different problems.

In this motion worksheet, students compare two graphs showing a bug's distance traveled over time. Students calculate the average speed of the bugs and determine which bug was traveling at a constant speed. This worksheet has 1 short...