Operations on Decimals and Integers

Eleni withdrew $45 from her savings account.  She then used her debit card to buy groceries for $30.15.  What was the total amount Eleni took out of her account?

• $75.15

• $14.85

• $15.85

• $75

Jacob bought 5 bottles of orange juice at a market. Each bottle cost $2.43. How much did the orange juice cost all together?

• $7.43

• $10.05

• $12.15

• $20.05

Jasir had $21.50 to spend at the store. He spent $0.55 on gum, $3.85 on pencils, and $9.84 on a book. How much money did Jasir have left after buying the gum, pencils, and book?

• $7.16

• $7.26

• $8.26

• $8.36

Addition, Subtraction, Multiplication, Division, Square, Square Root, Cube, Cube Root

• Real Numbers

• Rational Numbers

• Operations

• Exponents

If gas costs $2.35 a gallon, and it takes 16.3 gallons to fill up my tank. How much will a tank of gas cost? 

• $38.307

• $38.31

• $6.91

• $13.95

7.9² + 4.2 × (6.5 − 5.7)

• 65.77

• 65.78

• 65.79

• 65.76

Ryan had $300 to purchase clothes. He bought 6 shirts and 6 shoes. Each shirt cost $16.98, and each pair of shoes cost $13.79.

How much money did he have left after these purchases?

• 115.38

• 184.33

• 184.62

• 269.23

We use the rule "if the signs are the same the answer is positive and if the signs are different the answer is negative" when we are _____________. (check all that apply)

• adding integers

• subtracting integers

• multiplying integers

• dividing integers

16.3 - 4.156

• 12.244

• 12.454

• 12.144

• 13.144

Find the quotient for this division problem:  0.48 ÷ .02

• 0.24

• 0.0096

• 0.46

• 24