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1) Coin flip tally
Flip a coin 10 times. Tally the results and count them.
Try it: Heads and tails are equally likely on a fair coin.
| Result | Tally marks | Count |
|---|
| Heads | | |
| Tails | | |
2) Which is more likely?
Look at the spinner and circle the better answer.
This spinner has more red sections than blue sections.
Answers: 1) Answers will vary — check that heads + tails = 10 | 2) Red
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3) Dice reasoning
Write which one is more likely.
- Which is more likely: rolling an even number, or rolling a 6?
- Which is more likely: rolling a number less than 3, or rolling a number greater than 3?
- Which is more likely: rolling an odd number, or rolling a number greater than 5?
4) Button bag word problems
Read each problem and write the best answer.
- A bag has 5 yellow buttons and 2 green buttons. Is it more likely you will pull a yellow button or a green button?
- A jar has 4 striped marbles and 4 dotted marbles. Are you more likely to pull a striped one, a dotted one, or are they equally likely?
- A box has 1 star sticker and 6 heart stickers. Which sticker are you more likely to pick?
Answers: 3) even number (2, 4, 6 = 3 outcomes; rolling a 6 = 1 outcome), greater than 3 ({4, 5, 6} = 3 outcomes; less than 3 {1, 2} = 2 outcomes), odd number (1, 3, 5 = 3 outcomes; greater than 5 {6} = 1 outcome) | 4) yellow, equally likely, heart sticker