Mixed Review Integers

An integer is...

• A whole number that can be positive, negative, or zero

• A number and its opposite

• All positive and negative numbers

• a number that is fractions, decimals, or whole

Henry starts the day with $30. He and his sister go to the fair. He pays for his own admission of $10, but fails to notice that $15 falls out of his wallet while he is paying. His sister lends him $10 so that he can still enjoy the fair. Write the equation that illustrates his day's financial events.

• 30 - 10 - 5 + 10 =

• 30 - 15 + 10 =

• 30 - 10 - 15 + 10 =

• 30 + 10 - 15 =

(-1.6) - (-0.8)

• -2.3

• 2.3

• 0.8

• -0.8

Mrs. Rice bought 27 books for the class.  What was the cost for one book if she spent a total of $67.50?

• $2.13

• $0.21

• $0.25

• $2.50

-2 - (-10) = ?

• -12

• 12

• 8

• -8

(-9) - (-6)

• 12

• -15

• -3

• 24

What is the value of the expression? 

• 27

• 9

• -9 

• Not here

9[(-11) - (-4)]

• -63

• 135

• -135

• -26

• 14

• 26

• 4

• 7

• -13

• -17

• -7