Scale Drawings
Information About This Unit
Description of Learning Unit:
Learn how to draw to scale in this unit. Hands-on activities include demonstrating ratio and scale and making Chocolate Crispies. Then have fun drawing a garden, an archeological dig, and a dinosaur. Online activities, worksheets, and video are included to reinforce the activities. This unit is designed to last one week, depending on how often you teach math. 
List of Objectives:
- Learn about ratio.
- Learn how ratio relates to scale.
- Learn about scale drawings and how to draw them.
- Understand scale.
List of Materials and Supplies Needed for This Pathway:
Ratios and Equal Ratio Quiz:
- Internet Explorer
Ratios, Proportions, & Scale Drawings:
- 1/4" & 1/2" Graph Paper
- Yardsticks
- A variety of wall maps or road maps
- A candy wrapper
- Paper
- A pencil or colored pencils
- Paper or foil baking cups (cake cases)
- Chocolate
- Corn flakes
- A printer and basic printing supplies
- A pencil or colored pencils
- Grid paper
- Centimeter Graph Paper
- A pencil
- A ruler, metric
- Assorted familiar classroom objects (tape dispensers, chalk, keys, cups, etc.)
- Tape (masking, scotch, or duct)
- A printer and basic printing supplies
- A pencil
- An eraser
- A black marker
- Tape
- Math Journal
- Notebook paper or plain paper
- A pencil
- Crayons, colored pencils, or markers, if desired
- A hole punch
Printables:
- For some, Adobe Reader
- A printer and basic printing supplies
- A pencil
Links to Free Learning Material
Links to Online Lessons:
| Ratios | (no rating) |
Ratios are used to make comparisons between two things.
| Scale Drawing | (no rating) |
A scale drawing is a drawing that shows a real object with accurate sizes except they have been reduced or enlarged using scale.
| Scale | (no rating) |
Scale is the ratio of the length in a drawing (or model) to the length of the real thing.
Reference Websites:
| Grams to Ounces Converter | (no rating) |
Convert grams to ounces with this online tool.
Hands-On Projects and Activities:
| Ratios, Proportions, & Scale Drawings | (no rating) |
Draw scale drawings using ratios.
| Chocolate Crispies Ratio | (no rating) |
Figure out ratios to be able to make a chocolate treat to eat.
| Construct a Scale Drawing | (no rating) |
Make a scale drawing of a garden.
| Make a Scale Drawing | (no rating) |
Make a scale drawing for a "dig," as archeologists do.
| Dinosaur Scale Drawing | (no rating) |
Make a scale drawing of a dinosaur.
| What I Learned This Week | (no rating) |
Write in the math journal about things learned this week.
Learning Tools (worksheets, drills, printables, online games, tests, etc.):
| Equal Ratio Quiz | (no rating) |
Answer questions about equal ratios with this online quiz.
| All About Ratios Quiz | (no rating) |
Answer questions about ratio in this online quiz.
| Scale Drawings Quiz | (no rating) |
Take this online quiz and answer questions about scale drawings.
| Scale Drawings & Models | (no rating) |
Answer questions about scale drawings and models.
| Scaled Skyscrapers, Bridges, & Tunnels | (no rating) |
Scale the sizes of skyscrapers, bridges, and tunnels.
| 1" Grid Paper | (no rating) |
Use this printable paper for math activities.
| 1/4" & 1/2" Graph Paper | (no rating) |
Use this printable graph paper for math activities.
| Centimeter Graph Paper | (no rating) |
Use this printable graph paper for math activities.
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Free Online Video:
| Ratios Video | (no rating) |
Learn about ratios with this short video.
| Equivalent Ratios | (no rating) |
Watch this video to understand how to find equivalent ratios.
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Free Online Audio: 
Free E-Books (and classics available in most libraries):