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Eukaryotic Cell Biology — Assessment
A 25-question assessment for grades 6-8 covering eukaryotic cell biology: organelle structure and function, cellular respiration, photosynthesis, and the differences between plant and animal cells. Twenty multiple-choice items and five matching items. Difficulty is calibrated easy-to-moderate. All questions are text-only proof of knowledge items.
Eukaryotic Cell Biology — Study Guide
A focused review companion to the main Eukaryotic Cell Biology lesson. Use this study guide to refresh on the essentials: every major organelle in one place, the three stages of cellular respiration, the two stages of photosynthesis, and how the two energy processes work as partners. Includes self-quiz items and links back to the main lesson for deep dives.
S8 - Q4 - Unit 2 Introduction: Disease Agents
A 30-minute introduction to disease agents for 8th grade. Students classify the major types of pathogens, explain how diseases are transmitted, distinguish between epidemic and pandemic disease, and connect human health to environmental factors.
Practice: Use sample data to draw inferences about a population, including estimating population characteristics. (NC.7.SP.2)
Targeted practice for NC.7.SP.2: Use sample data to draw inferences about a population, including estimating population characteristics. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Informally fit a straight line (line of best fit) to a scatter plot suggesting a linear association. (NC.8.SP.2)
Targeted practice for NC.8.SP.2: Informally fit a straight line (line of best fit) to a scatter plot suggesting a linear association. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Use the formulas for the volumes of cylinders, cones, and spheres to solve problems. (NC.8.G.9)
Targeted practice for NC.8.G.9: Use the formulas for the volumes of cylinders, cones, and spheres to solve problems. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
The Body's Organ Tour
A 45-minute introductory tour of the major organs of the human body for 7th grade. Students learn the body's levels of organization, the one main function of each major organ across six systems, and the most common disease or malfunction of each, framed through structure and function.
Practice: Solve real-world problems involving the four operations with rational numbers. (NC.7.NS.3)
Targeted practice for NC.7.NS.3: Solve real-world problems involving the four operations with rational numbers. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Use Ratio Reasoning to Solve Problems (NC.6.RP.3)
Targeted practice for NC.6.RP.3: Use ratio reasoning with equivalent whole-number ratios to solve real-world and mathematical problems by: creating and using a table to compare ratios; finding missing values in the tables; using a unit ratio; converting and manipulating measurements using given ratios; plotting the pairs of values on the coordinate plane. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Understand that valid generalizations about a population require a representative, random sample. (NC.7.SP.1)
Targeted practice for NC.7.SP.1: Understand that valid generalizations about a population require a representative, random sample. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Understand and apply the formulas for area and circumference of a circle. (NC.7.G.4)
Targeted practice for NC.7.G.4: Understand and apply the formulas for area and circumference of a circle. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Use fractions to model and solve division problems; interpret a fraction as division. (NC.5.NF.3)
Targeted practice for NC.5.NF.3: Use fractions to model and solve division problems; interpret a fraction as division. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Solve multi-step real-world problems with positive and negative rational numbers in any form. (NC.7.EE.3)
Targeted practice for NC.7.EE.3: Solve multi-step real-world problems with positive and negative rational numbers in any form. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Explain patterns in the place value system from one million to thousandths (10x and 1/10 relationships). (NC.5.NBT.1)
Targeted practice for NC.5.NBT.1: Explain patterns in the place value system from one million to thousandths (10x and 1/10 relationships). Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Classify quadrilaterals in a hierarchy based on their properties. (NC.5.G.3)
Targeted practice for NC.5.G.3: Classify quadrilaterals in a hierarchy based on their properties. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Add and subtract rational numbers, describing real-world contexts using sums and differences. (NC.7.NS.1)
Targeted practice for NC.7.NS.1: Add and subtract rational numbers, describing real-world contexts using sums and differences. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Solve real-world and mathematical problems by writing and solving one-variable linear equations and inequalities. (NC.8.EE.7)
Targeted practice for NC.8.EE.7: Solve real-world and mathematical problems by writing and solving one-variable linear equations and inequalities. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Compare two populations informally using measures of center and variability. (NC.7.SP.3)
Targeted practice for NC.7.SP.3: Compare two populations informally using measures of center and variability. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.