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4th Grade Probability worksheets

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Probability

Grade 4 Math Worksheet

NameDate

Read the problem. Write the answer on the line.

A bag has 3 purple, 6 yellow and 2 red marbles. What is the probability of picking a yellow marble?
A jar has 6 blue, 4 yellow and 2 orange counters. What is the probability of picking a blue counter or an orange counter?
A box has 6 green, 5 purple and 2 red blocks. What is the probability of picking a block that is not red?
A spinner has 8 equal sections: 2 blue, 2 orange and 4 green. What is the probability of landing on green?
There are 20 cards numbered 1 to 20. What is the probability of picking an even number?
A spinner has 8 equal sections numbered 1 to 8. What is the probability of landing on a number greater than 2?

4th Grade Probability worksheet 1 – printable PDF — Download PDF: 1 2 3 4 5 6

About this worksheet

Probability is how likely something is to happen, written as a fraction: the ways to get what you want over all the things you could pick. Each sheet has six separate problems about a bag of marbles, a jar of counters, a box of blocks, a spinner and cards, and your child writes a fraction on the line.

What your child will learn

Write a probability as a fraction
Add the ways to get either of two colors
Find the probability of not getting something

Common Core standard: 7.SP.C.5

Worked example

A bag has 3 red, 4 blue and 5 green marbles. The probability of blue is 4/12, which is 1/3.

Common mistake

Putting the number of the other colors on the bottom instead of the total number of marbles.

Helpful hint

Count what you want for the top. Count everything for the bottom.

Next skill: Roman Numerals to 100 Earlier: Fraction Line Plots

Questions parents ask

What is the most common mistake with probability?

Putting the number of the other colors on the bottom instead of the total number of marbles.

How can I help my child with probability?

Count what you want for the top. Count everything for the bottom.

Are these 4th grade math worksheets free to print?

Yes. All 6 printable versions on this page are free to download and print, with no account needed.

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