Operations with decimals

Sandy wants to buy an XBox 360. The console with the Kinect game costs $189.75 at a local store. Sandy comes up with a plan. This weekend he will wash his neighbor's car for $5.50, dog sit for his cousin for $15, and mow the grass for his dad and Mr. Miller for $8.75 each. Last Friday, his grandma gave him $50.00 as a birthday gift.

How much more money does Sandy need to buy the console and game after this weekend?

• $88.00

• $101.75

• $110.50

• He has enough money

Michelle buys 3 packs of gum for $0.48 per pack and 4

candy bars for $0.73. She shades the number of blocks to determine how much money she spends.

How much money does Michelle spend on the gum and candy bars?

• $4.36

• $4.51

• $8.21

• $8.47

What is the sum of 3.19+15.22?

It cost Lainey $5.52 to buy 6 notebooks. Each notebook is the same price.

How much does 1 notebook cost?

• $0.87

• $0.89

• $0.92

• $0.97

The table shows the costs per fruit of the most frequently purchased fruits at Gary’s Grocery Store.

Kiyo buys 1 banana and 1 apple. What is her total bill?

• $1.14

• $1.16

• $1.26

• $1.42

What is the product of 0.01 and 237.4? (hint: divide by 100). How do you divide by a power of ten?

• 2,374

• 23.74

• 2.374

• 23,740

The average precipitation for Raleigh, NC, in April is 3.04 inches. One year, April was a particularly rainy month, and Raleigh received 6.75 times as much rain as on average.

How much rain did Raleigh receive during that unusual April?

• 21.00

• 20.52

• 9.79

• 3.71

Hilary purchases lip gloss for $4.79 and a hair bow for $2.03. What is the total cost of her purchases?

The multiplication model is displayed on Ms. Ventura’s board.

What is the product of 6.4×2.7?

• 4.48

• 12.80

• 16.20

• 17.28

Katherine buys a notebook for $3.75 and a pencil for $0.60. There is no sales tax.

What is the total cost for the two items?

• 2.25

• 4.35

• 5.34

• 1.34