Semester 1 Review 2022

​How to divide FRACTIONS

Multiple Choice

A carpenter wants to cut a board that is $$\frac{5}{6}$$ ft. long into pieces that are $$\frac{5}{16}$$ ft. long. The carpenter will use the expression shown to calculate the number of pieces that can be cut from the board.

$$\frac{5}{6\ }\ \div\ \frac{5}{16}$$

Which expression can also be used to calculate the number of pieces that can be cut from the board?

• $$\frac{5}{6}\ \times\frac{16}{5}$$

• $$\frac{5}{6}\times\frac{5}{16}$$

• $$\frac{6}{5}\div\frac{5}{16}$$

• $$\frac{6}{5}\div\frac{16}{5}$$

Multiple Choice

Students in Mrs. Guerra's class must complete at least 40 math problems for homework every week. The table shows the progress of four students on Wednesday.

Which list shows the amounts of homework completed in order from greatest to least?

• 0.4, $$\frac{2}{3}$$ , $$\frac{45}{40}$$ ,100%

• $$\frac{45}{40}$$ ,100%, $$\frac{2}{3}$$ ,0.4

• 0.4, $$\frac{2}{3}$$ ,100%, $$\frac{45}{40}$$

• $$\frac{2}{3}$$ ,0.4, $$\frac{45}{40}$$ ,100%

​Same sign

Add

Different

Subtract

​Copy Change Oppossite

Draw

Customers at an ice-cream shop took a survey. The results showed that 144 customers rated the shop as being "very satisfactory." This number represented 45% of the total number of customers who took the survey.

Set up the proportion to solve this problem.

Multiple Choice

A scientist used 786 milliliters of a liquid for an experiment. How many liters of the liquid did the scientist use for this experiment?

• 786,000 L

• 7.86 L

• 0.786 L

• 0.0786 L

​W G F

Multiple Choice

A warehouse floor has a perimeter of 6,615 feet. What is the perimeter in yards

• 2,205 yds.

• 19,845 yds.

• 78,380 yds

• 735 yds

Multiple Choice

A grocery store orders 4 large containers of milk for every 7 small containers of milk. Which ratio could represent the number of large containers of milk to small containers of milk in an order from the grocery store?

• 18:21

• 14:8

• 16:49

• None of these

READ! Chunk & Chew!

Multiple Choice

After 4 new students joined a class, the class had 32 students.

Which equation can be used to find n, the number of students in the class before the 4 new students joined?

• $$\frac{n}{4\ }=32$$

• n - 4 = 32

• 4n = 32

• n + 4 = 32

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​WHAT'S The MAGIC NUMBER?

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