In this decimal comparison instructional activity, students insert the greater than, lesser than or equal to symbol between decimal pairs and rearrange digits in numbers as instructed.

Address fundamental math skills with a series of fun math board games. With 25 games that focus on addition, subtraction, multiplication, division, place value, and percentages, kids will quickly find that math practice is their favorite...

Explore the connection of surface area to bonding within atoms. Learners complete lab investigations to model changing surface area with different sizes and concentrations of atoms. A flour fireball demonstration follows the labs to...

Are the means the same or not? Groups create samples from a bag of numbers and calculate the sample means. Using the sample means as an estimate for the population mean, scholars try to determine whether the difference is real or not.

Which of the following can you survive without for the longest time: water, food, or a positive mental attitude? The answer may surprise you. Guide learners of all ages through games, activities, and discussions about surviving in the...

Sew up your unit on operations with decimals using this assessment task. Young mathematicians use given rules to determine the amount of fabric they need to sew a pair of pants. They must also fill in a partially complete bill for...

What's missing from most studies of the American Revolutionary War is information about the role African Americans played in the conflict. To correct this oversight, middle schoolers research groups like the Black Loyalists and ...

Young scientists use electrolysis to separate water into its elements before experimenting with fire to learn about their properties. A helpful resource provides a reading passage and analysis questions. 

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...

Fifty-four flashcards make up a set to help reinforce math vocabulary. The set offers two types of cards; a word card printed in bold font, and a definition card equipped with an example and labels. Terms include capacity,...

How are chemical reactions affected by gravity? Learners explore the phenomenon of effervescence as part of the Christa's Lost Lessons series. They compare findings in an experiment on effervescence to a video of a similar experiment in...

Investigate the fascinating, yet terrifying phenomenon of hurricanes from the safety of your classroom using this earth science unit. Focusing on developing young scientists' spacial thinking skills, these lessons engage...

Thirty at the party won't cost any more than twenty-five. The assessment task provides a scenario for the cost of a party where the initial fee covers a given number of guests. The class determines the cost for specific numbers of guests...

After learning about the effects of water pollution, your class will discuss ways to make people in their community aware of the importance of water conservation. Then, your young environmentalists will write a letter to the local...

Start a whole new life in a land known as the Wild Wild West! Learners analyze maps, personal accounts, the Kansas-Nebraska Act, songs, and video clips to uncover life under the Homestead Act. Using their new skills, class members role...

After reading a one-page passage on how to understand and solve distance/rate problems, young mathematicians answer six word problems that have them correctly set up the formula in order to solve for the distnace, rate, or time in the...

Lines from Shakespeare and from hip-hop artists provide learners with an opportunity to examine the literary devices these artists use to express their ideas about love. Groups use the provided lines to craft found poems, and then the...

Breaking the law in math doesn't get you jail time, but it does get you a wrong answer! After developing the Law of Sines and Cosines in lesson 33 of 36, the resource asks learners to apply the laws to different situations. Pupils must...

Travel the world from the comfort of your classroom with a lesson plan that features Google Earth. High schoolers follow a series of steps to locate places all over the earth with sets of coordinates. Additionally, they measure the...

Teach your class to think outside the box. Scholars use the concept of equality to solve a problem in the assessment task. They determine how to use a scale to identify the one box out of a set of nine boxes that is heavier than the others.

Build on the understanding of finding angles using trigonometric ratios. Pupils develop the definitions of inverse trigonometric functions by restricting their domains in the 13th lesson of a 16-part series. They use inverse functional...

Get to know our galaxy with an astronomy-themed, hands-on activity. Scholars watch an informative video, answer questions, and construct a model of the Milky Way in order to examine its contents and the distance inside it.  

Readers of Nineteen Eighty-Four use their answers to questions about George Orwell's tale to complete a crossword puzzle.

How did Federalists feel about the federal government? Learners search for the answers in the Federalist Paper No. 51, which discusses the powers of the presidency. Then, they answer various questions to test for their comprehension of...