Keep your charges safe online with instruction on how to report problems on YouTube. After providing learners with information on the Safety and Abuse Tool, demonstrate how to use the tool and discuss the feature. In groups, learners...

In this subtraction worksheet, students complete four pages of negative number, vertical subtraction. They work with double digit numbers in all 36 problems which can be completed online and printed out.

In this mixed addition and subtraction instructional activity, 2nd graders find the sums and differences in 15 problems. They add and subtract one and two digit numbers between 1 and 100, submit and enter them online, or print the page.

Students write simple addition number sentences. In this addition lesson, students write simple addition number sentences using tangible objects as their guide. Using a paint or drawing program on the computer, students create a visual...

Third graders understand the economics of choices in buying. For this goods and services lesson, 3rd graders participate in activities to make choices about purchases. Students write stories, answer questions, and complete worksheets to...