Lay it out using the least amount of material. Learners use the dimensions of a cylindrical sports bag to find out the size of pieces of material needed to sew them. The pupils find the best placement of the pieces to use the least...

Create a winning card. Given a description of a bingo game using two spinners, pupils determine which of three cards has the greatest chance of winning. Scholars then determine which are the best numbers to put on their own cards to give...

Take an overall view of percentages. Pupils determine whether a shop owner's claim is correct about what percent of his shop is viewable from the installed security camera. Learners try to find whether there is a better location for the...

Find out if there are enough squares. Given diagrams for the first four figures in a sequence, pupils try to determine the next figure. Individuals find the number of square and triangle pieces of fabric that are required to make...

Make sure there is enough ice cream on hand. Learners try to find out how much ice cream to buy for a sports event. Scholars use a pie chart showing the percent of a sample of people who like different flavors of ice cream. Using the...

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...

Let's find a way to determine how many there are. Given a diagram of trees on a plantation, pupils devise a way to estimate the number of old and new trees. Using their methods, learners create estimates for the number of the two types...

Make it a tight fit. Given drawings of a smoothie bottle, pupils need to determine the size of a box to hold 12 bottles. Scholars draw a net to show the dimensions needed to create a closed box that would not allow the bottles to move...

Take a chance on raising money. Learners calculate probabilities to determine whether a lottery is a good way to raise money. Pupils determine the number of combinations of choosing two numbers between one and six. Using the sample...

Shine some light on nets. Using a creative assessment task, pupils create a net that would fold up into a hexagonal box and include the tabs needed for gluing the box together. Scholars then draw candles on each of the sides and the top...

Eat up a resource on using food to power electrical devices. Future engineers first experiment with different fruits and vegetables to determine the amount of electrical energy they provide. Based on the data, they design and create an...

Find out if it's possible to travel to the edge of the solar system. Learners use a piece of string to model the distance between planets in the solar system. They then use the distances to calculate how long it would take to travel to...

Data can tell us a lot about celestial objects that are just too far away to study otherwise. Learners examine data on the brightness of an asteroid to predict its rotation rate. Graphing the data reveals a periodic pattern that allows...

Supernovas burn for a short time but can give scientists extensive information about the universe. Learners analyze given data about the change in the light magnitude of a supernova. They look for patterns in the data and use them to...

Size within the solar system is a difficult thing for pupils to imagine. Using everyday objects, they build models to show the scale between the sun, moon, and Earth. They situate their props in proportional distances between the objects...

Let the class color. The video shows two different types of fraction of shapes problems. Pupils learn to shade a given fraction of a shape along with determining the fraction of a shape that is shaded. Learners practice the skill with...

More education in statistics is always beneficial. Given cards that provide the proportion of adults with bachelor's degrees in 10 random US states, scholars individually determine the sample percentage of states in which more than 30...

Sample an excellent resource on sampling variability. Pupils analyze census data on the percentage of homes in each state that have Internet access. They take random samples of different sample sizes, determine the sample means, and then...

Reciprocals is more than just flipping a fraction. Pupils watch a video to see how to find the reciprocal of any number. Individuals practice finding reciprocals of numbers including whole numbers and decimals.

Calculate fractional changes in numbers. Pupils watch a short video on determining the cost of a shirt after it has been reduced by a fractional amount. Scholars use worksheets to practice calculating increased and decreased amounts.

Mix things up a little to be improper. The presenter shows three example of changing a mixed number to an equivalent improper fraction. Scholars work several practice problems and application questions to refine the process.

There sure are a lot of single-parent households in the country. After selecting one of four US regions to investigate, pupils create dot plots and box plots on the percentage of single-parent households with male parents and female...

Put fractions in simpler terms. Learners watch a video showing how to simplifying fractions. They then work through two worksheets to practice the skill.

What's the proper way to convert fractions? A short video shows three quick examples of converting an improper fraction to a mixed number. Pupils practice doing their own conversions to better understand the skill.