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Lesson Plan
University of Nottingham

Mathematics Assessment Project: Modeling Population Growth: Having Kittens

For Teachers 9th - 10th Standards
This instructional activity unit guides students in developing strategies for modeling problems. The task focuses on investigating a cat shelter's claims about the rate of cat population growth. The unit includes a full lesson plan,...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N q.a.1 and N q.a.3: Felicia's Drive

For Teachers 9th - 10th Standards
This task requires students to make some sensible approximations of the amount of gas needed for a drive. They must choose a level of accuracy appropriate to limitations on measurement when reporting quantities. Aligns with N-Q.A.1 and...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N q.a.3, N q.a.1, N q.a.2: Weed Killer

For Teachers 9th - 10th Standards
The principal purpose of the task is to explore a real-world application problem with algebra, working with units and maintaining reasonable levels of accuracy throughout. Aligns with N-Q.A.3, N-Q.A.1, and N-Q.A.2.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N q.a.3 and S id.a: Accuracy of Carbon 14 Dating I

For Teachers 9th - 10th Standards
This task examines, from a mathematical and statistical point of view, how scientists measure the age of organic materials by measuring the ratio of Carbon 14 to Carbon 12. The focus here is on the statistical nature of such dating....
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N q.a.3: Dinosaur Bones

For Teachers 9th - 10th Standards
The purpose of this task is to illustrate through an absurd example the fact that in real life quantities are reported to a certain level of accuracy, and it does not make sense to treat them as having greater accuracy. Aligns with N-Q.A.3.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N q.a.3: Calories in a Sports Drink

For Teachers 9th - 10th Standards
The goal of the task is to stimulate a conversation about rounding and about how to record numbers with an appropriate level of accuracy, tying in directly to the standard N-Q.3. Aligns with N-Q.A.3.
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Handout
Shmoop University

Shmoop: High School: Number and Quantity: Quantities Hsn q.a.3

For Students 9th - 10th Standards
Standard HSN-Q.A.3 states: "Choose a level of accuracy appropriate to limitations on measurement when reporting quantities." This page explains what this standard means. Click on 'Sample Assignments' for some quick drills.