Gobble up a slice of the task. Scholars first consider the area of a whole pizza, half a pizza, and a quarter of a pizza. They then consider other central angles and develop a formula for the area of any sector of a circle.

How do chains of islands form? Young oceanographers explore the mountains of the deep in the final installment in a 13-part series. The interactive compares types of seamounts based on their overall height and height under the water, as...

What do you get when you slice a prism? Pupils discover that the answer depends on how the prism is sliced. The second half of the 29-part module focuses on three-dimensional objects. Learners use their two-dimensional vocabulary and...

Following a brief mini-lesson on using dialogue in fiction, young writers continue day two of their writing workshop. They work on the second half of their Children's Book Storyboards, and then they turn and talk with partners to reflect...

It's the half-way mark! Pupils demonstrate understanding of unit standards by completing a mid-unit assessment. After reading an informational article about water management strategies, scholars complete a graphic organizer to identify...

Half way there. Scholars work on the mid unit assessment for World without Fish. Learners work independently to complete the assessment. They then answer text-dependent questions and use sticky notes for annotating.

Fifth graders compare fractions. In this fraction lesson, 5th graders identify whether a fraction is closest to zero, half, or one and use common denominators. They put fractions in order and complete real-life fraction questions. 

Students distinguish between natural and man-made radiation. They measure radiation using a Geiger counter and investigate footprints of radiation.

Fifth graders explore the concept of symmetry using lines drawn through different shapes. The worksheet that is included in the lesson should be used to chart the lines of symmetry for the different shapes drawn.

In this time activity, students convert 20 time amounts from hours and minutes into minutes after reading the conversions at the top of the page. They see that 1 hour is equal to 60 minutes, a 1/2 hour is equal to 30 minutes, and 1/4...

Students demonstrate radioactive decay using candy corns. In this Physics lesson, students make predictions, collect data and form conclusions about patterns in radioactive decay.

Here is an activity that is intended to highlight a very important issue about precision in reporting and understanding statements in a realistic scientific context. Discuss different ways of reporting the half life of Carbon 14...

Explore equivalent fractions! Youngters measure the crown of their head with adding tape labeled with various fractions and fractional parts, and compare strips to notice numerical relationships. They fold adding tape in half and color...

In this paper thickness worksheet, students calculate how large a paper would get if you could fold it in half 50 times. Students complete 1 question.

Which one is divided into halves? Learners examine two squares; one is divided into quarters and the other halves. They determine which one is divided into halves, but you could also challenge them to identify what the other is divided...

What fraction is filled in? Scholars examine five shapes, divided into equal sections. They determine what fraction is filled and select the corresponding numeral fraction from a set of four choices. If your learners haven't begun...

What are these familiar shapes divided into? Practice with segmented shapes. Pupils examine five shapes, each broken into two, three, or four equal parts. They connect the shape with one of the five answers: thirds, 1/4, halves,...

Introduce elementary students, grades 3-5 to the concept of equivalent fractions. Each student folds a paper in half and color one of the equal parts of the paper. They use this paper to define numerator, denominator and the idea that a...

In this carrot cake recipe worksheet, students receive the recipe to make a whole carrot cake and determine the amount of each ingredient that would be needed to make half of the recipe. They determine half of the amount for flour,...

In this systems of equations worksheet, students solve 9 word problems about money.  Students determine the number of nickels and dimes, quarters and half-dollars, and profit from ticket sales by writing a system of equations and...

Fourth graders write tenths and hundredths in decimal and fraction notations. In this math lesson, learners know the fraction and decimal equivalents for halves and fourths. Everyone answers numerous questions posed by the teacher...

Middle-schoolers solve linear equations with one single variable. They solve equations that are randomly generated using index cards. Half of an equation is written on each card and distributed to the class. which then attempts solve...

Third graders pair up with a partner via an online classroom. They analyze half of the story "Enemy Pie" and communicate with their online peer to predict the outcome of the story.

Some frequently-used words can be tricky to read and spell. This PowerPoint provides some examples of those words: people, when, half, and many. Can your class share more examples of common, but complicated words?