Math Review #1 (March 15th)

The Morrison family traveled and drove 10.9 hours; then 8.6 hours; then 12.4 hours. What is the sum?

• 31.9 hours

• 30 hours

• 31 miles

• 31.8 hours

During a science experiment, Mary found the mass of two rocks to be 41.4 grams and 74.3 grams. What is the total mass of these two rocks?

• 115.7 rocks
• 32.9 rocks
• 115.7 grams
• 32.9 grams

Jenna bought a bag of gummy bears that cost $2.74. She gave the clerk $10. How much money will she get back in change? 

• $12.74
• $4.36
• $7.26
• $2.64

Terrell paid a $5.89 charge with a $20 bill. How much was his change?

• $14.11 
• $14.15
•  $15.11 
• $15.21

Joy drinks 4 bottles of water per day.  Each bottle contains 16.5 fluid ounces.  How many fluid ounces of water does she drink per day? 

• 66 fluid ounces
• 68 fluid ounces
• 660 fluid ounces
• 680 fluid ounces

The school store sells pencils for $0.46 each. How much do 12 pencils cost?

• $1.38

• $5.52

• $13.80

• $55.20

Each small square in the model represents has a value of 0.01 Which problem does this model BEST represent?

• 3.2 x 0.6 = 0.192

• 3.2 x 0.6 = 1.92

• 3.2 x 6 = 16.2

• 32 x 0.6 = 19.2

Keisha bought 4 boxes of crayons for $0.78 each. How much will she pay for the 4 boxes of crayons?

• $2.82

• $3.12

• $4.02

• $4.78