How much land does a parcel hold? How much fertilizer does it take for a field of corn? Pupils answer these questions and more as they apply ratio reasoning and unit analysis. 

High schoolers attempt an assessment task requiring them to find the radii of inscribed and circumscribed circles of a right triangle with given dimensions. They then evaluate provided sample responses to consider how to improve...

The measurements are all in the can. The review for the math portion of the General Certificate of Secondary Education assessments provides scholars the opportunity to review finding volume and surface area of a cylinder. Pupils work on...

Here's a resource teachers won't want to wash their hands of. Given a task where a full bar of soap is on one side of a balance and 3/4 of a bar of soup and a 3/4-ounce weight is on the other side, young mathematicians must determine the...

Asses the class to determine their knowledge of proportional relationships involving percents. Class members work through the nine-question assessment with a variety of percent problems. The multi-step problems involve simple interest,...

Identify the identity. Learners first solve equations to find the number of solutions. Scholars then determine if given equations are always, sometimes, or never true, leading to the concept of identities.

There's a container for every matter—liquid, solid, and gas. Pupils design three different containers, each with the capability to hold one of the states of matter, and share their design with the class.     

As part of a study of percent and percent change, learners first complete an assessment task with several percent change problems. They then complete an activity using cards to create a diagram expressing percent increases and...

You'll feel strongly about this weak acid and base virtual lab! Scholars experiment with the wonders of dissociation constants in a simulated lab environment. The accompanying written work includes buffer preparation, titration curves,...

Many university professors complain incoming scholars struggle with interpreting graphs. A skill builder offers three different types of exercises including calculating slope, interpreting graphs, and extrapolating outside the plotted...

Looking for a valuable resource on the spread of infectious diseases? Here is a lesson plan in which pupils simulate the spread of diseases and learn about how to prevent them from spreading. Class members read case studies about...

Young scholars write and solve linear equations in one variable based on descriptions of the operations that are applied to the unknown variable in an algebra machine. They then create their own problems for classmates to solve.

Scholars first complete an assessment task on writing linear equations to model and solve a problem on a running race. They then take part in a card matching activity where they match equations and graphs of lines to diagrams of fluid...

Going around in circles trying to find a resource on sectors of circles? Here is an activity where pupils first complete an assessment task to determine the areas and perimeters of sectors of circles. They then participate in an...

What does geometry have to do with geometry? The portion of a review series for a math assessment highlights how equation formation is assessed on the test. Pupils use geometric concepts such as perimeter and the sum of the measures of...

The American Civil War was a complex test of a relatively young democracy in the mid-nineteenth century. Discuss the events and factors that led to the Civil War with a thorough slideshow presentation.

Parallel parking might be difficult, but finding parallel lines is fairly simple. In this lesson, learners first complete an assessment task involving parallel and perpendicular lines in the coordinate plane. Individuals then take part...

Learners make predictions and draw conclusions from given information as they learn the meaning of probability in this vocabulary-rich, integrated activity that presents a variety of teaching strategies to motivate and reach...

Fourth graders solve multiplication word problems. In this multiplication problem solving lesson, 4th graders view an example of how to group objects in a word problem. Students practice solving these word problems with partners and use...

Students discover how they can use manipulatives to solve word problems. In this problem solving lesson, students read Raul's Apples Problem and then complete a worksheet, using beans or counters to solve the problem. Students discuss...

In this Algebra I/Algebra II worksheet, students solve word problems whose solution requires the use of a system of linear equations in two variables.  The two page worksheet contains a combination of ten multiple choice and free...

In this math worksheet, students complete addition word problems with short answers and multiple choice place value problems. Students complete 42 problems total.

Second graders practice the use of various story elements. In this story elements lesson, 2nd graders listen to the story All I See by Cynthia Rylant and look for the problem and solution in the story. They reread the book to create...

First graders discover predicting and clarifying skills while reading "The Old Woman and Her Pig." During the reading, they check their predictions while evaluating the characters, setting, problems, and solution. On the second day,...