Track quiz
Six ideas, six checks. Here is a table to look back at.
| Move | How it goes |
|---|---|
| Judge a sample | A small group may not match the whole class. |
| Read a tally | Count the groups of five. Then add the loose strokes. |
| Read a pictograph | Check the key. Multiply pictures by the key. |
| Read a bar graph | Read the scale. Then read the bar against it. |
| Answer from a graph | Find the right bars. Then compare or add. |
| Choose a chart | Tally live. Pictograph small. Bar graph big. |
You ask five friends how they get to school. Three say bus. What can you honestly say?
A tally shows 17 cars. How many full groups of five, and how many left over?
A pictograph key says 1 picture = 2 books. A row has 6 pictures. How many books?
One gridline is 10 mm of rain. A bar reaches 7 gridlines. How much rain is that?
Votes: cricket 18, kabaddi 10, badminton 14, football 8. How many more chose cricket than kabaddi?
You must count votes as hands go up, right now. What suits best?
Open Chapter 4, Data Handling and Presentation, in your book. Every chart in it, you have already built.
Next: Prime Time — factors, multiples, and primes.