Khan Academy
Khan Academy: Computer Components
Check your understanding of the flow inside the computer, from the input to the CPU and memory and back to the output, in this set of practice questions designed for AP Computer Science Principles students.
Better Lesson
Better Lesson: Eating Fractions
Second graders read fractional amounts and measure food to make a trail mix.
Homeschool Math
Homeschool Math: How to Calculate Percentages
Learn how to calculate percentages in this easy lesson.
ArtsNow
Arts Now Learning: Dancing Cells [Pdf]
This activity will challenge students to create dances to represent the different parts of a cell.
Scholastic
Scholastic: Max's Math Adventures: A Tale About Zeke and Zack
At this site from Scholastic you can read this tale about Zeke and Zack to learn more about splitting things in half. The activity sheet, extra challenges, and teacher's guide will help teachers make a fun and engaging lesson.
ClassFlow
Class Flow: Plant Parts and Their Functions
[Free Registration/Login Required] This flipchart gives the main parts of a plant and their function. It also has interactive review questions for each section.
ClassFlow
Class Flow: The Beautiful Iris
[Free Registration/Login Required] This flipchart introduces the structure of an iris and looks at various pieces of art that feature irises.
ClassFlow
Class Flow: Fraction Parts
[Free Registration/Login Required] The teacher will use this lesson plan to define and identify parts of fractions.
Quizlet
Quizlet: Life Science Vocabulary: Plants
A set of digital vocabulary flashcards for third-grade life science concepts on plants.
Other
Shared Visions: Adjectives
A nice, but brief introduction to adjectives along with a few examples. Links are provided for other useful information, including comparative and superlative adjectives.