Sums Game Board
Written by Adi Ackerman, Head Teacher
"Sums Game Board" is written for 8th Grade (Ages 13-14). A 7th grader who is already steady on probability can use it too, and an older student can use it as a short review.
8th grade math worksheet: roll two number cubes 36 times on a sums game board, count ways for each sum and decide if the game is fair. Answer key included. Part of our compound events probability collection.
How do I use this worksheet?
Teach sample spaces first, then counting outcomes and sums. Save the compound probability sheets for last and use the riddle, maze and game board as reviews.
What students will practice
- Students will count the number of ways to roll each sum of two number cubes.
- Students will find the probability that each player scores on one roll.
- Students will decide whether a game is fair and compare it with their tallies.
Curriculum Links
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FAQ
How do I use this compound events worksheet?
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Teach sample spaces first, then counting outcomes and sums. Save the compound probability sheets for last and use the riddle, maze and game board as reviews.
What does this worksheet teach?
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Roll two number cubes 36 times on a sums game board, count ways for each sum and decide if the game is fair. The directions on the page read: Play with a partner. Roll two number cubes 36 times and tally each sum on the board. Fill in the Ways row with the number of outcomes for each sum. Then answer the questions. Write probabilities as fractions in simplest form. The page opens with a worked example, and an answer key is included.
Can I use this compound events worksheet for homeschool or classroom?
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Yes, both. We made it for 8th grade probability, and it works the same at home or at school. At home, a student can work through it alone and then go over it with you, which shows quickly what is solid and what needs another look. In class it works as independent practice, homework or a warm-up, and you can print one copy or a full set.
What is a sample space?
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A sample space is the list of every possible outcome. For picking a sock G or W and a cap 1, 2 or 3, it is G1, G2, G3, W1, W2 and W3.
How do you count outcomes of a compound event?
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Multiply the number of choices at each stage. A 5 part spinner spun 3 times gives 5 times 5 times 5, or 125 outcomes.
Why is 7 the most common sum of two number cubes?
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Six of the 36 outcomes give a sum of 7, more than any other sum. Students fill in a table of sums to see this and use it on the Sums Game Board.
Are answer keys included for these sheets?
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Yes. Each of the 20 compound events sheets comes with an answer key.
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Worksheet Details
| Grade | 8th Grade |
| Subject | Math |
| Topic | Probability |
| Pages | 1 page |
| Difficulty | Medium |
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