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Tide-Pool Survey: Discovery Patterns

Interpret changing tide-pool species counts, distinguish cumulative counts, and sketch a discovery graph from a field-trip story.

Grade 8MathInteractive · Printable

Aligned to8.F.B.5

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What’s included

Single worksheet
Auto-graded online
1 Common Core standard
Printable answer key
13 questions
Classroom-ready

Details

Format: Interactive · Printable
Grade: Grade 8
Subject: Math
Question types: Fill in the blank, Multiple choice, Circle the answer, Short answer, Drawing

About this worksheet

What students practice

Students describe increasing, decreasing, and constant intervals in species-count graphs.
Students distinguish constant rates from changing rates by comparing graph segments.
Students sketch a species-discovery graph from a verbal description.

How to use

Use after introducing qualitative features of graphs. Have students label what each axis measures before answering, then compare their sketches with the field notes.

Curriculum

Common Core standard covered

8.F.B.5

Describe how two quantities relate by reading a graph, such as where it rises or falls, and sketch a graph from a story.

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Tide-Pool Survey: Discovery Patterns

Read graphs and sketch how species counts change during a marine biology field trip.

Counts in Individual Pools

Use the graph for questions 1–5. Students survey eight tide pools in order, using the same search time in each. Each point shows the number of species found in that pool. Connecting segments help show the pattern; they do not represent additional pools.