This probability worksheet gives 4th grade students four spinners to write as fractions, four likelihood questions, and one written response, with an answer key included so practice is quick to check.
What are the chances? Let's find out!
Fourth graders learn to describe how likely something is using the words impossible, unlikely, equally likely, likely and certain. Then they put numbers on it with fractions: a bag with 3 red cubes and 1 blue cube gives P(blue) = 1/4. Kids run real experiments with coins, spinners and dice and compare what they predicted with what happened. The click comes when they see that a 1 in 4 chance does not mean blue shows up exactly every fourth pull.
Probability is made for experiments. These are the moves that turn guesses into math.
Give partners a paper bag and colored cubes. One partner builds a bag where red is "likely" but not "certain," and the other pulls twenty times and tallies. Then they write the probability as a fraction and check it against the tally.
Why it works: going from real objects to pictures to symbols is a core recommendation of the U.S. Department of Education's elementary math guide.
Try it withProbability WorksheetWorksheetsOpen it →Draw a spinner that is half red, a quarter blue and a quarter green. Ask "Is this a fair game if red wins?" Partners argue it out using fractions. Explaining their thinking is where the real learning happens.
Why it works: using clear, consistent math words out loud is one of the U.S. Department of Education's recommendations for elementary math.
Draw a line from impossible to certain on the board. Read events like "It will snow in July here" and kids place them with sticky notes. A short practice page the next day brings the words back out.
Why it works: a big review of study methods ranked quick self-quizzing among the most powerful ways to remember (Dunlosky and colleagues, 2013).
Try it withProbability WorksheetWorksheetsOpen it →It is describing how likely an event is, with words like unlikely or certain and with simple fractions. For a coin, the probability of heads is 1/2.
Put the number of ways the event can happen on top and the total number of possible outcomes on the bottom. Rolling a 3 on a number cube is 1/6.
Chance events vary, especially with few tries. The more times you repeat an experiment, the closer the results usually get to the predicted probability.
Play board games and ask "What are the chances?" before each roll. Flipping coins or pulling socks from a drawer works too.
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