SALTA 3rd grade

3.MD.8

Strand: Measurement and Data

Topic 16: Solve Perimeter Problems

Topic 16:

Pick A Project: Sugarcane Crops, Interior Design, Building Builder, Reserve that Table

• perimeter • equilateral triangle

Third grade students will recognize perimeter as an attribute of plane figures and distinguish between linear and area measures. Standard 3.MD.8 Solve real-world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths, finding an unknown side length, and exhibiting rectangles with the same perimeter and different areas or with the same area and different perimeters.

No 3-Act Math for Topic 16

16-1 Understand Perimeter 16-2 Perimeter of Common Shapes 16-3 Perimeter and Unknown Side Lengths 16-4 Same Perimeter, Different Area 16-5 Same Area, Different Perimeter 16-6 Problem Solving: Reasoning

Topic 16: Manipulatives • Square Color Tiles

Assessment Options: Topic 16 Assessment – Solve Perimeter Problems (print or online) Topic 16 Performance Assessment – Solve Perimeter Problems Team Created Assessment

OPTIONAL District Wide Standards-Based Assessment #4 (Window: May 23 – May 26)

Assessment Tasks – Topic 16

Procedural Check

Application Task

3.MD.8

A 4 – sided polygon has a perimeter of 26 cm. Side A = 11 cm, Side B = 4 cm, Side C = 3 cm. What is the measurement of Side D.

Jorge drew two plans for a garden. Each rectangle had an area of 24 but one plan required more fencing than the other. Explain why this was true. Use a drawing to justify your answer.

(DOK 2)

(DOK 3)