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Shelter Reports: What Counts as an Observation?

Count observations in animal shelter adoption and supply records, and distinguish data-set size from totals and display features.

Grade 6MathInteractive · Printable

Aligned to6.SP.B.5.a

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What’s included

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

Details

Format: Interactive · Printable
Grade: Grade 6
Subject: Math
Question types: Fill in the blank, Multiple choice, Sorting, Short answer

About this worksheet

What students practice

Students report the number of observations represented by records, frequency tables, and histograms.
Students distinguish the number of observations from measurement totals and summary values.
Students determine which records belong in a specified data set.

How to use

Use after introducing observations and frequencies. Have students identify what one observation represents before counting, then discuss the final explanation.

Curriculum

Common Core standard covered

6.SP.B.5.a

Summarize a data set by reporting how many observations it has.

Preview

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Name Date

Shelter Reports: What Counts as an Observation?

Report the size of a data set using records, tables, and displays.

Adoption Records

Identify what one observation represents. Count only the records included in the requested data set.

The shelter records days spent at the shelter for animals whose adoptions are complete. Pending adoptions are not included.

Adoption Status
Animal ID	Status	Days at shelter
K21	Complete	12
K22	Pending	8
K23	Complete	19
K24	Complete	12
K25	Pending	15
K26	Complete	7
K27	Complete	23

How many observations belong in the completed-adoption data set?

This histogram shows the waiting time for each completed adoption in another month. Each animal contributes one observation. Intervals include the left endpoint but not the right endpoint.

How many observations does the histogram represent?

A report gives running totals of completed adoptions. Every completed adoption contributes one waiting-time observation. How many observations were recorded by Friday?