Subtracting mixed numbers is easy when the fractions have the same denominator. Here, young mathematicians are prompted to find out how many pounds of peaches are left after Alfredo gives some pounds to his neighbor.

People often set off fireworks to celebrate. What is the cost of the annoyance of their neighbors? Economics help answer that question! Learners consider this problem, along with prompts on price and competition, using College Board...

Time to know what they know! The final installment of a 14-lesson unit assesses the class's understanding of magnetism and electricity concepts. Items include both multiple-choice and open-ended questions on magnetic fields, electric...

 A short assessment asks participants to find the original radius required to replace a table top. The problem provides a hypothetical situation of having a segment of a broken glass table top. Pupils find the radius of the...

The shortest distance from point A to point B is a straight line, but measuring distance gets more complicated when there are three points! Given the location of three friends, individuals determine the best point for all three friends...

Whoops! Travis accidentally put too much butter into the recipe. Your bakers must find out how to alter the recipe to accommodate different changes by using unit rates and ratios . The activity has multiple parts and calculations with...

We are used to finding the area of a circle by plugging the radius into an equation. Here, learners are required to go further to find multiple areas and calculate the difference. They must detect a pattern in order to figure out the...

Many young scholars like to play sports and the equipment that goes with it costs money. The resource sets up an inequality that gives a total amount needed to purchase the equipment and the initial amount of money already obtained. In...

Your learners find as many rigid motions of the plane as they can that are symmetries of the configuration of circles. Rigid transformations of the plane are explored and become more concrete to them as they visualize and execute...

Learn to visualize mathematical patterns as a folded pattern. Beginning with a visual display, the task encourages pupils to view sequences as a folded table. The pattern of the table then becomes a formula in a spreadsheet that...

Build a connection between algebraic sequences and spreadsheets. Learners examine a specific folding pattern and convert the pattern into a spreadsheet. The goal of the spreadsheet is to produce a sequence of a specific pattern modeled...

Challenge classes to think deeply and apply their understanding of polynomials. The assessment prompts learners to use polynomial functions to model different situations and use them to make predictions and conclusions.

Translating complex numbers is as simple as adding 1, 2, 3. In the ninth instructional activity in a 32-part series, the class takes a deeper look at the geometric effect of adding and subtracting complex numbers. The resource leads...

Extend percent understandings to include percents less than one and greater than 100. A great lesson has pupils build upon their knowledge of percents from sixth grade. They convert between fractions, decimals, and percents that are less...

In this filling in the blanks to complete sentences worksheet, students fill in the blanks after the word run with the correct prepositions. Students choose 12 multiple choice answers and check them by clicking the online/interactive...

For this homonyms worksheet, students complete a ten question multiple choice on-line interactive quiz about the correct use of there, their and they're.

In this online interactive ESL worksheet, students respond to 18 fill in the blank questions regarding the phrasing of questions. Students check their answers immediately.

In this online interactive ESL worksheet, students respond to 15 fill in the blank questions regarding the appropriate use of phrasal verbs. Students may submit their answers to be scored.