Rational and Irrational Numbers, Adding and Subtracting Integers

What type of number is this ?

• Rational

• Irrational

This includes integers, fractions, terminating and repeating decimals.

• Rational Numbers

• Irrational Numbers

3 + -7

• 10

• 4

• -4

-9 + (-5)

• -14

• 14

• -4

-8 + 20

• -28

• 28

• 12

-10 + 10

• 100

• 0

• -20

Leah found 13 erasers in her backpack and then found 25 more erasers in her pencil pouch. How many erasers did she have all together?

• -38 erasers

• 38 erasers

• 12 erasers

5 + 9 =

• 4

• -4

• 14

(-4) -2

• -6

• -2

• 2

2 - (-2) =

• 0

• 4

• -4