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Weekend Bike Service: Check the Data

Count observations in bike-repair records, frequency tables, and histograms, and distinguish measurements from summary totals.

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
13 questions
Classroom-ready

Details

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

About this worksheet

What students practice

Students report the number of observations represented by repair records, frequency tables, and histograms.
Students identify what counts as one observation when measurements are grouped or summarized.

How to use

Have students identify what one observation represents before counting. Use the final explanation to discuss separate data sets for paired measurements.

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

Weekend Bike Service: Check the Data

Report how many observations each repair-shop data set contains.

Read the Service Records

Maya and Luis run a weekend bike-repair business. For each question, count observations in the specified data set, not the total of the measured values.

Maya measures both tires on each bike. She puts every pressure reading in one tire-pressure data set.

Tire Pressures Before Service
Bike	Front tire (psi)	Rear tire (psi)
Cedar	32	35
Silver	40	38
Comet	28	30
Trail	35	35
City	42	40

How many pressure observations are in the combined data set? observations

Luis records the minutes spent on each of 11 repairs. Four repairs take 15 minutes each. Which statement correctly reports the number of observations in his repair-time data set?