Square roots bingo

Exercise and reference answers

Clues and terms

1. Clue

   1, 4, 9, 16, 25 and so on.

   Item

   Square number

2. Clue

   A square never ends in 2, 3, 7 or 8.

   Item

   Units digit

3. Clue

   Non-squares between n squared and (n+1) squared.

   Item

   2n

4. Clue

   First n odd numbers add up to n squared.

   Item

   Odd sum

5. Clue

   3, 4, 5 satisfy a squared plus b squared.

   Item

   Triplet

6. Clue

   The inverse operation of squaring.

   Item

   Square root

7. Clue

   Prime factors of a square come in pairs.

   Item

   Pairing

8. Clue

   35 squared, from 3 times 4 hundreds plus 25.

   Item

   1225

9. Clue

   The only root the root symbol denotes.

   Item

   Positive root

Instructions

Read each clue and tap the term it describes.

Explanation