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Exploring Data Together

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Exploring Data Together worksheet preview

Exploring Data Together

Students collecting and measuring data

📏 Part 1: Measuring and Rounding

1. Measure your hand span in centimetres. Round to the nearest whole number.

My hand span is _______ cm

2. Round these measurements to the nearest whole number:

a) 14.7 cm = _______ cm

b) 18.3 cm = _______ cm

c) 16.9 cm = _______ cm

3. Why do we round measurements? Choose the best answer:

It makes numbers easier to work with

It makes measurements more accurate

It changes the data completely

📊 Part 2: Organising Data

4. Complete this frequency table using the hand span data from your class:

Hand Span Groups

12-13 cm: _____ students

14-15 cm: _____ students

16-17 cm: _____ students

18-19 cm: _____ students

20+ cm: _____ students

5. Look at this data about lunch activities by gender:

Boys who eat lunch: 8

Boys who play games: 5

Girls who eat lunch: 7

Girls who play games: 6

6. Which statement is true about the lunch data above?

More boys eat lunch than girls

More girls play games than boys

Equal numbers of boys and girls play games

📈 Part 3: Reading and Interpreting Data

7. Draw a simple bar graph in the space below showing the lunch activity data from question 5. Use different colours for boys and girls.
8. What is the most popular hand span group in your class frequency table?
9. Explain one thing you learned about your class from collecting this data:
10. Why is it helpful to group continuous data (like hand spans) into ranges instead of listing every single measurement?

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