Counting bingo

Exercise and reference answers

Clues and terms

1. Clue

   Order does matter.

   Item

   Permutation

2. Clue

   Order does not matter.

   Item

   Combination

3. Clue

   Product down to one.

   Item

   Factorial

4. Clue

   How stages combine.

   Item

   Multiply

5. Clue

   Words from ROSE, no repeat.

   Item

   24

6. Clue

   Words from ROSE, repeats.

   Item

   256

7. Clue

   Four flags, two at a time.

   Item

   12

8. Clue

   At least two of five flags.

   Item

   320

9. Clue

   All five flags arranged.

   Item

   120

Instructions

Read each clue and tap the term or number it describes.

Explanation