This Grade 5 worksheet uses tree diagrams to list HH, HT, TH, TT and to compute compound probabilities such as P(no heads) and P(exactly one head). Students remove an outlier from a five-value set and recompute the mean, then check that the median barely changes. A matching activity links data ideas to displays like circle graphs, deepening Grade 5 understanding of which graph fits which data type best.
Style:
Probability and Statistics
Part A: Fill in the Blank
Write the missing word or number on each line.
1. A tree diagram for flipping 2 coins lists outcomes HH, HT, TH, TT.
2. P(no heads) when flipping 2 coins = 1/4.
3. P(exactly one head) when flipping 2 coins = 1/2.
4. In the set 10, 12, 14, 16, 100, the outlier is 100.
5. After removing 100 from 10, 12, 14, 16, 100, the new mean is 13.
6. The median of 10, 12, 14, 16, 100 is 14.
7. P(both tails) on 2 fair coins = 1/4.
8. A line plot shows fractional measurements of length feet such as 1/2, 1/4, 3/4.
9. A circle graph is best for showing parts of a whole using a circle.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
Outcomes of 2 coin flips
→ HH, HT, TH, TT
HH, HT, TH, TT
P(both heads)
→ 1/4
1/4
Outlier in 5,6,7,90
→ 90
90
Display for parts of a whole
→ Circle graph
Circle graph
Probability and Statistics
★ Part A: Fill in the Blank
Write the missing word or number on each line.
1) A tree diagram for flipping 2 coins lists outcomes HH, HT, TH, TT.
2) P(no heads) when flipping 2 coins = 1/4.
3) P(exactly one head) when flipping 2 coins = 1/2.
4) In the set 10, 12, 14, 16, 100, the outlier is 100.
5) After removing 100 from 10, 12, 14, 16, 100, the new mean is 13.
6) The median of 10, 12, 14, 16, 100 is 14.
7) P(both tails) on 2 fair coins = 1/4.
8) A line plot shows fractional measurements of length feet such as 1/2, 1/4, 3/4.
9) A circle graph is best for showing parts of a whole using a circle.
★ Part B: Matching
Match each item on the left to the correct answer on the right.
1) Match each item to its correct answer.
Outcomes of 2 coin flips
→ HH, HT, TH, TT
HH, HT, TH, TT
P(both heads)
→ 1/4
1/4
Outlier in 5,6,7,90
→ 90
90
Display for parts of a whole
→ Circle graph
Circle graph
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10 Questions
10-15 minutes
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