Unit 6 Lesson 1 and 2 Weekly Quiz

Select all the equations that are true.

• $5+0=0$

• $15\times0=0$

• $1.4+2.7=4.1$

• $\frac{2}{3}\times\frac{5}{9}=\frac{7}{12}$

• $4\frac{2}{3}=5-\frac{1}{3}$

Mr. Waddell's water bottle had 24 ounces in it. After he drank x ounces of water, there were 10 ounces left. Select all the equations that represent the situation.

• $24\div10=x$

• $24+10=x$

• $24-10=x$

• $x+10=24$

• $10x=24$

Mr. Milles has 5 pencils, each x inches in length. When he lines up the pencils end to end, they measure 34.5 inches. Select all the equations that represent this situation.

• $5+x=34.5$

• $5x=34.5$

• $34.5\div5=x$

• $34.5-5=x$

• $x=\left(34.5\right)\times5$

 $x+4=17.\ \ What\ is\ the\ value\ of\ x?$  

• 12

• 13.5

• 13

• 12.5

The result of this diagram is 35. What is the value of x?

• 6

• 8

• 7

• 9

The daily recommended allowance of vitamin C for a sixth grader is 45mg. 1 orange has 75% of the recommended daily allowance of vitamin C. How many milligrams are in 1 orange?

• 33.70 mg

• 33.70

• 33.75

• 33.75 mg

A sports drink bottle contains 16.9 fluid ounces. Andre drank 80% of the bottle. How many fluid ounces did Andre drink?

• 13.52 oz

• 13.51 oz

• 13.5 oz

• 13.53 oz

The daily recommended allowance of calcium for a sixth grader is 1200 mg. One cup of milk has 25% of the recommended daily allowance of calcium. How many milligrams of calcium are in a cup of milk?

• 320

• 320 mg

• 300

• 300 mg

There are 90 students in the band. 20% of the kids own their own instruments and the rest rent them. How many students own their own instrument? How many students rent their instrument? What percentage of students rent their instrument?

• 18, 72, 80%

• 72, 18, 80%

• 72, 18, 20%

• 18, 72, 20%

 $4\times x=28.\ \ What\ is\ the\ value\ of\ x?$  

• 6

• 7

• 8

• 5