5th Grade Unit 2 Math Test

Which expressions are equivalent to 0.03? Choose all the correct answers.

•  $0.003\times10$  
  

•  $0.3\div10$  

•  $0.03\times10$  

•  $0.03\div10$  

•  $0.3\times10$  

Tyler's coin weighs two hundred thirty-one thousandths of an ounce.

Which expressions correctly represent the weight of the coin?

Choose all the correct answers.

• $0.231$

• $2.31$

• $\frac{2}{10}+\frac{3}{100}+\frac{1}{1,000}$

• $2+\frac{3}{10}+\frac{1}{100}$

• $\frac{2}{1,000}+\frac{3}{1,000}+\frac{1}{1,000}$

A veterinarian weighs five cats and rounds the weights to the nearest whole number. Which of the weights round to 9 pounds? Choose all correct answers.

• $8.099\ pounds$

• $9.429\ pounds$

• $8.501\ pounds$

• $8.723\ pounds$

• $9.700\ pounds$

Ian and Rosa race in a speed skating competition.  Ian records a time of 42.839 seconds.  Rosa records a time of 42.782 seconds.
Which statement is true?

• Rounded to the nearest tenth of a second, the times are equal.

• Rosa's time is closer to 42.79 seconds than to 42.78 seconds.

• Ian's time is closer to 42.83 seconds than to 42.84 seconds.

• Rounded to the nearest hundredth of a second, Rosa's time is greater than Ian's.

What is 10,000 written as a power of 10 in exponent form?

• $10^3$

• $10^4$

• $10^5$

• $10^6$

Brooklyn's tablet records her screen time. One week, she spends 11.03 hours listening to music, 2.67 hours reading, and 0.9 hours playing games on her tablet.

What is Brooklyn's total screen time?

• $13.50\ hours$

• $13.79\ hours$

• $14.60\ hours$

• $14.87\ hours$

Matthew has 8.2 meters of wire. He uses 3.65 meters for a craft project. He wants to use the wire he has left to complete one of the following projects. For which of the projects does he have enough wire?

•  $necklace\ 4.5\ meters$  

•  $earrings\ 5\ meters$  

•  $bracelets\ 4.2\ meters$  

•  $anklets\ 4.6\ meters$  

•  $pins\ 4.45\ meters$  

Sam is looking at cell phone plans. A local company offers a monthly plan for $58.95. The company is having a sale and offering a discount of $4.75 off the monthly plan. Sam says that the new cost is $11.45. Is he correct? Explain.

Select all the decimals that are greater than 715.148 and also less than 715.35.

• $715.340$

• $715.4$

• $714.156$

• $715.075$

• $715.28$

Which of the following comparisons is NOT true?

• $42.300=42.3$

• $5.020<5.20$

• $0.149<1.490$

• $108.308>108.4$