Question 1

The following sentence applies number rules correctly. Mr. Rios invested nearly 50 percent of the startup capital.

Accepted Answer

False

Question 2

The following sentence applies number rules correctly. We ordered six ten-inch pizzas.

Accepted Answer

False

Question 3

Choose the correct number expression in the following sentence. Matthew and Inga's wedding is at _____ o'clock at the chapel of their alma mater.​

Accepted Answer

According to the rule for writing numbers in sentences, numbers one through nine are typically written out as words, so "six" is the correct form.

Question 4

The following sentence applies number rules correctly. My home is at 8 Weber Drive; my office is at One Corry Plaza.

Accepted Answer

The sentence correctly uses the numeral "8" for the house number and the written-out number "One" for the office address. This follows standard number rules for addresses.

Question 5

Choose the correct number expression in the following sentence. Few predators will attack a full-grown giraffe; however, _____ of calves do not survive their first year.

Accepted Answer

The correct expression is "75 percent" because when writing out percentages in a formal or narrative text, it is standard to spell out the word "percent" rather than using the "%" symbol.

Question 6

Choose the correct number expression in the following sentence. Traveling in loose herds of _____to 15, giraffes use their height and their long tongues to reach the leaves and shoots at the top of acacia trees, their favorite food.​

Accepted Answer

In formal writing, numbers below ten are typically written out in words, but in this context, the number is part of a range, so using the numeral "5" is appropriate.

Question 7

The following sentence applies number rules correctly. The Sears Tower covers two city blocks.

Accepted Answer

The sentence correctly applies the rule that the number "two" should be spelled out in words rather than using the numeral.

Question 8

The following sentence applies number rules correctly. Twelve roses were placed in each vase.

Accepted Answer

The number "twelve" is correctly written as a numeral and the plural form of "roses" agrees with it.

Question 9

Choose the correct number expression in the following sentence. Giraffes are often _____ feet tall, in fact, with feet the size of dinner plates.​

Accepted Answer

When writing a sentence, it is proper to use numeric digits instead of spelling out numbers unless it is the first word in a sentence or is part of a title. Therefore, the correct expression is "often 19 feet tall."

Question 10

Choose the correct number expression in the following sentence. _____members will be selected to represent the club at the state competition.

Accepted Answer

When writing out a number that is less than 100, spell it out rather than using the numerical form. Therefore, "Eleven" is the correct expression to use in this sentence.

Quiz 1: Number Expression