class 9 quiz 1 parantheses or round brackets

Question 1

In writing, what kind of information do parentheses often add? a) Tb) c)

Accepted Answer

Extra details or explanations

Question 2

What is the main job of parentheses in a math problem? a) b) c)

Accepted Answer

To tell you what to solve first

Question 3

In the math problem $ (5 + 2) 	imes 3 $, what should you do first?

Accepted Answer

Add 5 and 2

Question 4

Which of these is a correct use of parentheses for a date?

Accepted Answer

Abraham Lincoln (1809 - 1865)

Question 5

Which sentence uses parentheses correctly to add extra info?

Accepted Answer

He went to the park (after school).

Question 6

Parentheses are only used in school textbooks.

Accepted Answer

True

Question 7

If you remove the words in parentheses from a sentence, what should happen?

Accepted Answer

The sentence should still make sense

Question 8

8×(2+1) is the same as (8×2)+1.

Accepted Answer

False

Question 9

What type of information might go in parentheses in a science report?

Accepted Answer

The source of a fact (Smith, 2020)

Question 10

What do we call parentheses when talking about them with other brackets?

Accepted Answer

Round brackets

Question 11

When might you see parentheses used in a story or book?

Accepted Answer

To add a small side comment or extra detail.

Question 12

What do parentheses look like?

Accepted Answer

( )

Question 13

What is the main reason we use parentheses in math problems?

Accepted Answer

To change the usual order of operations.

Question 14

In math, you should always do what's inside parentheses first.

Accepted Answer

True

Question 15

You can use parentheses to add a short definition of a word.

Accepted Answer

True

Question 16

Read this sentence: "My dog (a golden retriever) loves to play fetch." What is "a golden retriever"?

Accepted Answer

An extra detail about the dog c)d)

Question 17

What is the main purpose of "order of operations" in math? a) b) c)

Accepted Answer

To solve problems in the right sequence

Question 18

Parentheses can also be used to show ______.

Accepted Answer

A citation (where information came from)

Question 19

What is the answer to $ 12 \div (6 - 3) $?

Accepted Answer

4

Question 20

Information in parentheses in a sentence is always super important.

Accepted Answer

False

Questions 20