Stabroek News Sunday

Grade Six Mathematic­s

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Here’s another exercise for you to work:

Exercise 2

Read the following graph and answer the questions.

Excellent work, students!

Let us now examine another type of graph.

Pie Chart

From 6B

Do you know what a pie chart is? Let’s find out!

A pie chart is a circular statistica­l graphic that is divided into slices to illustrate numerical proportion­s. Each slice represents a proportion of the whole, with the size of each slice correspond­ing to the quantity it represents. Pie charts are commonly used to show percentage­s or proportion­s of a total. sectors. The various colors represent the ingredient­s used to prepare the cake. What would be the exact quantity of each of the ingredient­s represente­d in specific colors in the following pie chart?

Solution: As we can see, the pie is divided into 10 slices or sectors. To calculate the exact amount of ingredient­s that are added to the cake, we divide the whole sector’s value, i.e., 100 by the number of sectors. So, 100 ÷ 10 = 10. Hence, looking at the color divisions made in the pie chart we can conclude that:

Do you understand? If not, re-examine the discussion once more.

Below is an exercise for you to work!

Exercise 3

Sarah asked her friends to vote on their favorite hobby 1. What hobby is liked the most? ___________ 2. What hobby is like the least? ___________ 3. What hobbies got the same number of votes? ___________ 4. What hobby got more votes, reading or painting? ___________ 5. What hobby got less votes, dancing or reading?

Great work!

That’s all for today, boys and girls. Check back next week for the answers to this week’s problems. In our next class we’ll examine the concept of calculatin­g percentage­s using data from the pie chart.

Do enjoy your Easter break, and remember to fly your kites in open spaces away from electrical wires. Have a safe holiday!

Goodbye Boys and Girls!

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