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Maths · Grade 6 · Set C
Dots, Stacks and Groups
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C
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Date
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Goal: 15 min
Score/ 12
Remember: Every dot is one kid. Count the dots, not the numbers.

Bigger plots, more thinking

1
Each dot is one kid. The plot shows how many minutes each kid walks to school. How many kids walk 12 minutes?
2
How many more kids walk 12 minutes than walk 10 minutes?
3
Circle every time that exactly 2 kids walk.
6810125
4
How many kids were asked?
5
How many kids walk less than 8 minutes?
6
How many kids walk 10 minutes or more?
7
No kid walks 13 minutes.
TrueFalse
8
The tallest stack is over 8, so more kids walk 8 minutes than any other time.
TrueFalse
9
Eight kids rode the bus for 3, 3, 4, 6, 6, 6, 8 and 9 minutes. Which dot plot shows their answers?
Plot 1
Plot 2
Plot 3
10
The bars put the same sixteen kids into groups. How many kids walk 8 to 10 minutes?
11
Which group of walking times has the fewest kids?
5 to 78 to 1011 to 1314 to 16
12
Number the steps to find how many kids gave one answer.
  • Say how many kids: the count, not the number
  • Count the dots
  • Look at the stack of dots over it
  • Find the number you want under the line
13
Pip counts the stack over 12 and says 12 kids walk 12 minutes. Write what Pip mixed up, and the right answer.
Scan the code at the top to mark this sheet on screenTake a photo of your answers or type them. It is marked for you automatically, and your score is kept.
Answer key · Set C
Dots, Stacks and Groups
14 Find 12 under the line and count the dots over it: 4 dots.
22 Four kids walk 12 minutes and two kids walk 10 minutes. 4 − 2 = 2.
36, 10 There are 2 dots over 6 and 2 over 10. There are 3 over 8, 4 over 12 and 1 over 5.
416 Count every dot: 1 + 2 + 1 + 3 + 1 + 2 + 1 + 4 + 1 = 16.
54 One dot over 5, two over 6 and one over 7: 1 + 2 + 1 = 4.
68 Two dots over 10, one over 11, four over 12 and one over 14: 2 + 1 + 4 + 1 = 8.
7True There are no dots over 13.
8False Three kids walk 8 minutes, but four walk 12 minutes. The tallest stack is over 12.
9Plot 2 Two dots over 3, one over 4, three over 6, one over 8 and one over 9: eight dots for eight kids.
106 The bar for 8 to 10 is 6 tall. It matches the dots: 3 + 1 + 2 = 6.
1114 to 16 The bar for 14 to 16 is only 1 tall. It is the shortest.
124, 3, 2, 1 Find the number, then count the dots over it.
13Your own words: a grown-up reads it.
Mark each answer, count the right ones and write the score on the sheet.