Allison is evaluating the expression -5-(-2) using integer tiles. She begins with 5 negative tiles as shown. What should Alison do next to find the value of the expression?

Respuesta :

Answer:

-3

Step-by-step explanation:

Allison has 5 negative tiles

Next she  needs to remove 2 negative tiles

What is left is 3 negative tiles

(-5) -(-2)  =   (-5+2)=-3

The value of the expression is -3.

What is integer tiles?

  • Integer tiles are one way of using a material representation to introduce the concept of adding and subtracting integers.
  • This model can be useful for working on the type of problem that many students find harder, that is problems like -4 + -5.

What are the 4 integer rules?

Four rules of multiplying integers are  below-

Rule 1: Positive × Positive = Positive.

Rule 2: Positive × Negative = Negative.

Rule 3: Negative × Positive = Negative.

Rule 4: Negative × Negative = Positive.

Allison has 5 negative tiles

So,

        she  needs to remove 2 negative tiles,

then, subtract -2 to 5 to get left  3 negative tiles.

                  (-5) -(-2)  =   (-5+2)  ⇒ -3

Therefore, The value of the expression is -3.

Learn more about integer tiles brainly.com/question/3413831

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