Definitions
This means something will definitely happen?
What is certain?
A spinner has 4 equal sections: red, blue, green, yellow.
Which color is most likely to land on?
They are all equally likely.
When you flip a coin, what are the 2 possible outcomes?
Heads or tails.
What math word means “the number that appears most often”?
Mode
A spinner has 4 equal sections: red, blue, green, yellow.
What is the chance of landing on blue?
1 out of 4
this means something can't happen
A spinner has 3 red sections and 1 blue section. Which color is more likely?
Red.
What is the chance of rolling a 6 on a regular die?
1 out of 6.
A pet store sold 3, 5, 5, 7, 9 fish each day.
What is the mode?
5
A spinner has 10 equal sections.
7 are orange and 3 are green.
Which color is less likely?
Green
What word means something has a good chance of happening?
Likely
A spinner has 5 equal sections. What is the chance of landing on one section?
1 out of 5.
Is rolling an even number on a die likely, unlikely, or equally likely?
Equally likely (3 even and 3 odd numbers).
What math word means “the average”?
Mean
Which is more likely on a die:
rolling a number greater than 2 or rolling a 6?
Rolling a number greater than 2
What word means something probably will not happen?
Unlikely
A spinner has 8 sections. 6 are green and 2 are yellow. Is green likely or unlikely?
Likely.
If you flip a coin 10 times, will it always alternate heads and tails?
No.
What math word means “the middle number”?
Median
A bag has 5 green marbles and 5 yellow marbles.
Which color are you more likely to pick?
Neither — equally likely
What does “equally likely” mean?
Each outcome has the same chance.
A spinner has 10 equal sections. 2 are purple. What fraction shows the chance of landing on purple?
2/10 or 1/5.
What is more likely on a die: rolling a number greater than 4 or less than 4?
Less than 4.
(1, 2, 3 = 3 outcomes; 5, 6 = 2 outcomes)
Find the median: 1, 3, 5
3
A spinner has 12 equal sections:
5 blue, 4 red, 2 green, and 1 yellow.
Name the most likely and least likely outcomes.
Most likely: Blue
Least likely: Yellow