Grade 4 - Progress in Mathematics

(Marvins-Underground-K-12) #1
Certain and Impossible

Find the probability of each event.
Use the cards.


  1. P(B) 9. P(E)

  2. P(C) 11. P(D)

  3. P(A or C) 13. P(B or D)

  4. P(A or B or E) 15. P(B or C or D) 16. P(not D)


Find the probability of each event. Use the shapes.


  1. P(circle) 18. P(triangle)

  2. P(square or triangle)


A


B


C B


C


C


D D


D D


E D


Find the probability of each event.
Use the marbles on page 312.


  1. P(red or yellow or white) 21. P(orange or green)

  2. P(red or purple or white or yellow)


What is the probability of spinning
red or white or blue?

It is certain that the spinner will land
on red or white or blue.

P(red or white or blue)  ^13  ^13  ^13  ^33  1

What is the probability of spinning green?

It is impossible that the spinner will land on green.

P(green) 
0
3 ^0 P(impossible) ^0

P(certain)  1

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