In this radioactive decay and half-life worksheet, learners use given half-lifes to calculate the amount of time it will take for certain amounts of elements to decay. They also find the age of samples and determine how many grams of...

Students will use everyday items and speeds to describe the dimensions of a massive flood that occurred in the Pacific Northwest near the end of the last ice age.

In this percent worksheet, students change decimals to percents and percents to decimals. They translate written percent problems to equations. There are approximately 24 problems on this one-page worksheet.

For this problem solving worksheet, students solve each of the ten word problems by using their knowledge of percent, proportions, simple interest, and sales tax.

In this Algebra I activity, 9th graders solve percent application problems, including percent of increase and decrease.  The one page interactive activity contains seven problems.  Answers and a hint are provided. 

Students identify the standard deviation. In this statistics lesson, students find the mean distribution and calculate the percent of deviation from the mean. They observe this change on the Ti calculator.

In this calculus learning exercise, students answer compute the distance of an object from a given point after t seconds when given the formula. They use the chain rule to answer 2 questions. Students compute the derivatives and sketch a...

Students examine data to investigate the impact of lead shot pellets on waterfowl populations. They graph their findings and discover how lead in ingested by birds and poisons them. As an extension, students research legislation and...

In this sun's diameter activity, students use a photograph taken by the SOHO satellite of the sun showing a change in diameter from one month to another. Students find the average diameter of the sun, they determine the percent change in...

Sixth graders explore plagues in the middle ages. In this social studies lesson, 6th graders examine the impact of deadly plagues on past societies and how the governments were forced to make drastic changes in response to the plagues

Students use ratios and proportions to represent quantitative relationships as they investigate the concept of how percentages are used by designers. Students decorate the same room using three different percentages of colors.

Assemble a great lesson on assembly lines. In the first installment of a nine-part technology/engineering series, future entrepreneurs learn about the manufacturing process, specifically about the assembly line and cycle time. The lesson...

Winning a spin game is random chance, right? Pupils create a table to determine the sample space of spinning two spinners. Individuals determine the probability of winning a game and then modify the spinners to increase the probability...

A cross-curricular resource teaches and reinforces mathematical concepts with several activities that use parts of a newspaper. Scholars use scavenger hunts to find the different ways math is used in the paper along with using data...

Knowing how to scale a recipe is an important skill. Young mathematicians determine the amount of ingredients they need to make a certain number of truffles when given a recipe. They determine a relationship between ingredients given a...

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.

In this Froot Loop favorites worksheet, students solve and complete 3 different problems that include data tables related to their Froot Loop favorites. First, they determine what fraction of the class voted for each color listed in the...

Eighth graders solve problems involving percentage increases and decreases. Using given percentages, 8th graders transform a square into a rectangle. They apply the area formulas for squares and rectangles.Students observe the percent...

Learners review how to find percentages from decimals and fractions. Using photographs, they determine the percentage, decimal and fractions of different criteria. They use a calculator to change the form of the rational numbers as well.

Nine questions make up an interactive that challenges scholars to identify new prices after discounts. Question types include fill in the blank and multiple choice. A fully-functional tool assists participants in solving word problems....

Fifth and sixth graders compare decimals to the place-value structure in the base-ten number system. They represent fractions as parts of unit wholes, as parts of a set, as locations on a number line, and as divisions of whole numbers....

Sixth graders participate in a lesson that covers the reading and interpretation of a circle graph. They review the part of a whole concept for percents and student observe and practice using the circle graph.

Young scholars explore the concept of sales tax. In this sales tax lesson, students work in groups to spend $500. Young scholars calculate the discount and sales tax on each item. Students buy between 5 to 10 items.

Compare Beethoven's fifth symphony to latin music and disco. Learners will listen to and discuss the elements found in the first part of Beethoven's composition. They'll then look for the same elements in Tito Puente and Bee Gees songs....