Go through the Math in Focus Grade 4 Workbook Answer Key Chapter 5 Practice 4 Outcomes to finish your assignments.
Math in Focus Grade 4 Chapter 5 Practice 4 Answer Key Outcomes
Decide which are possible outcomes. Write yes or no.
A coin is tossed once.
Question 1.
The coin lands on heads. ___
Answer:
The coin lands on heads. Yes.
Question 2.
The coin lands on tails. ___
Answer:
The coin lands on tails. No.
Question 3.
The coin lands on both heads and tails. ___
Answer:
The coin lands on both heads and tails. No.
Complete.
Question 4.
There are ___ possible outcomes when you toss a coin.
Answer:
There are 2 possible outcomes when you toss a coin.
Complete. Write more likely, less likely, certain, impossible, or equally likely.
Example
Look at the spinner. Suppose it is spun once.
It is more likely that the spinner will land on red or on green.
It is equally likely that the spinner will land on green or on purple.
It is that impossible the spinner will land on yellow.
It is less likely that the spinner will land on green.
It is certain that the spinner will land on red, green, or purple.
A spinner is divided into four equal parts. The parts are red, blue, yellow, and green. The spinner is spun once.
Question 5.
It is ___ that the spinner will land on red.
Answer:
It is likely that the spinner will land on red.
Question 6.
It is ____ that the spinner will land on red, blue, yellow, or green.
Answer:
It is certain that the spinner will land on red, blue, yellow, or green.
Question 7.
It is ___ that the spinner will land on blue or on green.
Answer:
It is equally likely that the spinner will land on blue or on green.
Question 8.
It is ___ that the spinner will land on purple.
Answer:
It is impossible that the spinner will land on purple.
Complete each sentence.
A number cube numbered 1 to 6 is tossed once.
Question 9.
There are ___ possible outcomes.
Answer:
There are \(\frac{1}{6}\) possible outcomes.
Question 10.
The number cube lands with an even number on top. There are ____ possible outcomes.
Answer:
There are 3 possible outcomes.
Explanation:
The possible outcomes are \(\frac{1}{6}\), \(\frac{2}{6}\),\(\frac{3}{6}\),\(\frac{4}{6}\),\(\frac{5}{6}\),\(\frac{6}{6}\). So the 3 even possible outcomes are \(\frac{2}{6}\), \(\frac{4}{6}\), \(\frac{6}{6}\).
Question 11.
The number cube lands with a number less than 3 on top. There are ___ possible outcomes.
Answer:
There are 2 possible outcomes.
Explanation:
The possible outcomes are \(\frac{1}{6}\), \(\frac{2}{6}\),\(\frac{3}{6}\),\(\frac{4}{6}\),\(\frac{5}{6}\),\(\frac{6}{6}\). So the number less than 3 on top is \(\frac{1}{6}\), \(\frac{2}{6}\).
Study the data in the table.
Three bags each contain eight colored marbles.
Complete. Write more likely, less likely, certain, impossible, or equally likely to describe each outcome.
Question 12.
A green marble is drawn from Bag B. ____
Answer:
A green marble is drawn from Bag B. More likely.
Explanation:
Here, green marbles are more likely to draw because there are more green marbles than red marbles.
Question 13.
A red marble is drawn from Bag B. ____
Answer:
A red marble is drawn from Bag B. Less likely.
Explanation:
Here, red marbles are less likely to draw because there are less red marbles than green marbles.
Question 14.
A green marble is drawn from Bag C. ___
Answer:
A green marble is drawn from Bag C. More likely.
Explanation:
Here, green marbles are more likely to draw because there are more green marbles than red marbles.
Question 15.
A red marble is drawn from Bag C. ___
Answer:
A red marble is drawn from Bag C. Impossible.
Explanation:
Here, red marbles are 0. So the red marbles are impossible to pick.
Question 16.
A red or green marble is drawn from Bag B. ____
Answer:
A red or green marble is drawn from Bag B. Certain.
Explanation:
Here, a red or green marble is drawn from Bag B certainly.