How many zero pairs can be created in the model below? 2 x tiles and 1 negative x tile. 3 plus sign tiles and 2 negative tiles. 0 1 2 3

Question

How many zero pairs can be created in the model below?

0

1

2

3

Answer 1

Represent the tiles as:

 

[x] [-x]   [+] [-]

[x]          [+] [-]

               [+]

 

Some zero combinations:

[x][-x]

[-x][x]

[x][-][x]

[x][+][-][x]

[+][x][+][-][x]

[x][+][-x]

[-][x][x]

[-][x][+][x]

[+][x][+][-x]

[-][-x][-][x]

[-][x][-][-x]

[-][-x][+][-][x]

Take your pick!

Answer 2

it is 3

Answer 3

The answer should be 3.

Good luck! You'll do great on this quiz/test/assignment!! :]