6b: add, sub, mult decimal wp 21-22

Oliver bought 7 bags of candy. Each bag costs $1.50. How much money did he have to pay?

• $7.50
• $8.50
• $10.50
• $105.00

Jackie earns $8.95 per hour.  This week she worked 7.5 hours.  How much did she earn this week?

• $67.125
• $67.12
• $67.13
• $68.00

Cathy bought 2 notebooks that were $2.25 each, and a box of markers that was $3.68. What is the total cost of her notebooks and markers?

• $5.93      
• $8.18      
• $9.61

Lana was trying to put some files on her flash drive.

If she had one file that was 8.12 mb and another file that was 1.4 mb what is their combined file size?

• 9.52

• 8.26

• 9.052

• 6.72

Frank ate a snack with 80.47 total calories. If the chips he ate were 32.77 calories, how many calories were in the rest of his snack?

• 113.24

• 47.7

• 52.30

• 46.8

A botanist was measuring how tall her plant grew. After two weeks it had grown 15.25 inches. The second week alone it had grown 5.45 inches! How much did it grow the first week?

• 20.9

• 10.2

• 11.8

• 9.8

Ms. Boruff bought 3 packs of pencils each costing $3.25. If she handed the cashier a $20 bill, how much change should she receive?

• $9.75

• $10.25

• $16.75

• $23.25

Mr. DeLia bought 10 pairs of socks each costing $1.25. How much did he spend in total?

• $0.125

• $11.25

• $12.50

• $13.50

Joseph is planning to paint the top of a small rectangular table using tubes of craft paint. The dimensions of the table top are 5.3 feet by 4.75 feet. What is the area of each table top?

• 2.518

• 0.2518

• 25.18

• 251.8

Harry walks to a produce market to buy bananas. If a pound of bananas costs $0.49, how much will Harry pay for 3 pounds of bananas?

• $3.49

• $14.70

• $1.47

• $2.51