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Data Handling — Chapter Test

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Q1
One full group of tally marks is 5, so two full groups mean ___ ?
5 + 5 = 10.
Q2
Which is the odd one out (three are ways to show data)?
A triangle is a shape; the others are ways to show data.
Q3
Counting tally groups: 5, 10, 15, ___ ?
Add 5: 15 + 5 = 20.
Q4
If 1 ⭐ stands for 2, then 5 ⭐ stand for ___ ?
5 × 2 = 10.
Q5
One full group of 5 tally marks and 3 more lines means ___ ?
5 + 3 = 8.
Q6
On a pictograph 1 picture = 1 mango. The mango row has 7 pictures. How many mangoes?
7 pictures × 1 = 7 mangoes.
Q7
If 1 🚗 stands for 2 cars, how many cars do 6 🚗 show?
6 × 2 = 12 cars.
Q8
In a bar graph, bar A is 8 and bar B is 5. What is the total?
8 + 5 = 13.
Q9
In a bar graph, bar A is 8 and bar B is 5. What is the difference?
8 − 5 = 3.
Q10
A survey shows red 10, blue 6, green 4. Which colour is the most popular?
Red has the highest count (10).
Q11
A survey shows red 10, blue 6, green 4. Which colour is the least popular?
Green has the lowest count (4).
Q12
A survey shows red 10, blue 6, green 4. How many children were surveyed in all?
10 + 6 + 4 = 20 children.
Q13
On a pictograph 1 ⭐ = 5. Riya has 4 ⭐ and Sara has 6 ⭐. How many more stickers does Sara have?
Sara = 30, Riya = 20, so 30 − 20 = 10 more.
Q14
On a pictograph 1 🍩 = 3 donuts. A shop's rows show 2 and 3 donuts pictures. How many donuts in all?
Total pictures 2 + 3 = 5, and 5 × 3 = 15 donuts.
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