This short video and interactive assessment activity is designed to teach fourth graders about representing numbers in expanded form i.

 Stores often have their employees stock the shelves.  How do the employees know how much of an item they have? How do stores know when they need to order more items? To learn the job skill of taking inventory we will use our Makerspace.  How can we keep up with the materials in the Makerspace?  How do we know what we have? How will we know when to order more materials?

In this khan academy interactive, students will solve problems with bar graphs. The problems are up to three categories.

This short video and interactive assessment activity is designed to teach second graders about solving decimal word puzzles.

This task can be solved more than one way. Students can divide a whole number by a unit fraction to determine how long Alysha will be in line or they can use multiplication. Since the solution can easily be determined using multiplication this task may be a good one to use to introduce division with fractions. Students will develop conceptual understanding surrounding this topic by examining this scenario and discussing why both solution paths work.

This lesson unit is intended to help teachers assess how well students are able to: form and solve linear equations involving factorizing and using the distributive law. In particular, this unit aims to help teachers identify and assist students who have difficulties in: using variables to represent quantities in a real-world or mathematical problem and solving word problems leading to equations of the form px + q = r and p(x + q) = r.

This short video and interactive assessment activity is designed to teach fourth graders about finding the different weight from tables (metric units).

This short video and interactive assessment activity is designed to teach second graders an overview of subtraction (numbers up to 10).

In this lesson, students develop an understanding of the concept of graphing data over time on a line graph, by measuring (at multiple times) the amount of water being poured. They work collaboratively in teams, with roles for accountability, as they practice protocols for a productive mathematics classroom culture.

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This lesson can be used in pairs or individually. It is created for a review after the 1st nine weeks of third grade. Students will use the task cards to solve problems including rounding to the nearest ten and hundred and place value problems with place value blocks.

This short video and interactive assessment activity is designed to teach fourth graders about number riddles (numbers up to 100,000).

In this activity, students apply their knowledge of converting ounces to pounds to a real world problem. They will select items they would need to travel on the Mayflower and add the corresponding weights to total 150 pounds.

Sample Learning Goals
Interpret ratios of mixed units (e.g. $/lb)
Define the unit rate and determine a method to calculate it
Predict how changing the numerator or denominator of a rate will affect the unit rate
Use the double number line to reason about rates and solve real-world problems
Develop strategies to use the unit rate to solve problems
Compare unit rates between two simultaneous situations

Computer programs are all around us, not just in the things we call computers, but in things like fitness devices, smartphones and alarm systems, and in many many more places. Sometimes these programs are referred to as "applications", "apps" or "software", and often they are nearly invisible, in devices like TVs and washing machines, where the software "boots up" when you switch it on, and keeps going until you switch it off. Despite the variety of ways that computer programs are used, they all work on similar principles that are accessible to students of all ages, and this unit explores some of the fundamental principles in programming.

In this activity, students examine a pair of satellite images of the ocean and determine whether there is a relationship between the height of ocean waves and the sea level. Data from the two images are plotted side by side and students discuss the reasons for their findings. The resource includes the images and a student worksheet. Summary background information, data and images supporting the activity are available on the Earth Update data site. To complete the activity, students will need to access the Space Update multimedia collection, which is available for download and purchase for use in the classroom.

This lesson unit is intended to help teachers assess how well students are able to understand and use directed numbers in context. It is intended to help identify and aid students who have difficulties in ordering, comparing, adding, and subtracting positive and negative integers. Particular attention is paid to the use of negative numbers on number lines to explore the structures: starting temperature + change in temperature = final temperature final temperature Đ change in temperature = starting temperature final temperature Đ starting temperature = change in temperature.

This short video and interactive assessment activity is designed to teach fifth graders about visual objects: comparing length.

Students will write the numbers missing in the grid to demonstrate their understanding of number order.