Learners observe and discuss cloud cover. They identify percent of cloud cover, calculate cloud cover by fraction and convert to a percent, and compare their models with the current real sky cloud cover.

Learners brainstorm a list of nocturnal and diurnal wild animals they see in their community and discuss how the animals would be different if they were living during the Ice Age. Using a handout, they discover how archeologists record...

Students use a lamp as the sun and his/her body as the earth. They rotate in different directions to explain how the earth moves around the sun. Using specific questions in their discussion, students discover the reasons for day and night.

Learners, in groups, design a procedure to calculate the mass of gas molecules in the classroom by measuring the volume of the classroom and researching the density of air. They apply changes in air density with altitude and effects on a...

Students use EngineSim and information found on the World Wide Web to complete the activity on the relationship between the atmosphere and jet fuel. They discover how much air is required to pass through a jet engine.

Pupils research when and why Route 66 was started and how mom and pop businesses fit in with Route 66. Students associate what they've learned with the song.

Students use the NASA website's Live Access Server to create a graph of surface temperature at two locations on earth. They analyze the data and then answer specific questions provided in this lesson. They also examine and compare the...

Explore more than twenty math concepts such a perimeter, rounding, exponents, decimals, sign numbers, and more using this interactive basketball game. A Spanish version is also offered. Students results are tabulated daily.

Get your spy glasses ready! In this weeklong adventure, children will explore shapes and their attributes and use this knowledge to decode a secret message. Children will learn about two-dimensional (flat) and three-dimensional (solid)...

The purpose of this task is to give students a chance to work creatively with three of the four fundamental arithmetic operations (addition, subtraction, and multiplication). It is well suited for helping students develop fluency with...

This website from The Math Page explains and defines decimals.

In this Math Maven mystery, read the legend of Pirate Ringold and his treasure and help Frieda Finditall figure out how much gold there is left to find on this old ship. Your knowledge about addition and subtraction with fractions will...

Read through this explanation of how to add three digit numbers. Use the online game to practice this skill. The game will keep running totals of your correct and incorrect answers. It will also show you a percent score of the correct...

Read these two strategies for adding two-digit numbers in your head. Then try out the one you like better by playing the game. Running totals of your correct and incorrect answers as well as a percent score of your correct answers will...

Young scholars explore the relationship between addition and subtraction and develop an understanding of decomposing numbers in different ways in this first-grade lesson plan.

Playing a game for the order of operations engages students in math fact review and builds fluency.

You'll find an explanation of place value in expanded form in this lesson. There is also an interesting game that helps to show place value.

This site explains how to round decimals to the nearest hundredth. This site provides games to practice this skill.

Practice decimal comparison problems that stretch your place value understanding. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Order 3 decimals with digits up to the thousandths from least to greatest. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

This problem allows young scholars to see words that can describe the expression from part (c) of "5.OA Watch out for Parentheses." Additionally, the words (add, sum) and (product, multiply) are all strategically used so that the student...