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Quiz about It Was the Best of Times
Quiz about It Was the Best of Times

It Was the Best of "Times" Trivia Quiz


A quiz all about our favorite math topic, multiplication. Many of these questions will ask you to find the "odd one out." Enjoy!

A multiple-choice quiz by avrandldr. Estimated time: 3 mins.
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Author
avrandldr
Time
3 mins
Type
Multiple Choice
Quiz #
322,407
Updated
Dec 03 21
# Qns
10
Difficulty
Easy
Avg Score
8 / 10
Plays
1789
Last 3 plays: bradncarol (9/10), NumanKiwi (10/10), orinocowomble (10/10).
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Question 1 of 10
1. To begin with, let's look at what multiplication is. Mathematicians call multiplication an "operation," which means that it is something you can do to number values. Which of the choices below is not an operation? Hint


Question 2 of 10
2. Which of these terms means to do something other than multiplication? Hint


Question 3 of 10
3. Some numbers have special properties when you multiply them. Which number, when you multiply it by any value, will not change the value of the number with which it is multiplied? Hint


Question 4 of 10
4. Symbols are very nice in mathematics--they keep us from having to write long words such as "multiplication" over and over again. Which of the following is not a symbol that means multiplication? Hint


Question 5 of 10
5. One reason that we use multiplication is because it can be so much faster than addition. To show this--which of the following expressions has a different value than the others? Hint


Question 6 of 10
6. Let's do something other than math for a moment. Which of the following definitions could "multiply" also mean? Hint


Question 7 of 10
7. Which of the following operations could best be considered the opposite of multiplication? Hint


Question 8 of 10
8. You can often use multiplication to speed up addition problems.


Question 9 of 10
9. In which of the following situations would using multiplication be the best choice? Hint


Question 10 of 10
10. Which of the following math problems does not use multiplication at all? Hint





Most Recent Scores
Oct 15 2024 : bradncarol: 9/10
Oct 08 2024 : NumanKiwi: 10/10
Sep 10 2024 : orinocowomble: 10/10
Sep 10 2024 : misstified: 10/10

Score Distribution

quiz
Quiz Answer Key and Fun Facts
1. To begin with, let's look at what multiplication is. Mathematicians call multiplication an "operation," which means that it is something you can do to number values. Which of the choices below is not an operation?

Answer: One thousand

Addition, subtraction, multiplication, and division are all operations--they are ways you can combine number values to get a different number value. Addition, subtraction, multiplication, and division together are usually called the basic operations.

One thousand is simply a number; it can't "do" anything to change its value.
2. Which of these terms means to do something other than multiplication?

Answer: Sum

The terms product, times, and the word "of" are all very common words that mean to multiply. "Sum" means addition.
3. Some numbers have special properties when you multiply them. Which number, when you multiply it by any value, will not change the value of the number with which it is multiplied?

Answer: 1

Any number that is multiplied by 1 will stay exactly the same. 0 is another number that has a multiplication property--0 multiplied by any number changes its value to 0.
4. Symbols are very nice in mathematics--they keep us from having to write long words such as "multiplication" over and over again. Which of the following is not a symbol that means multiplication?

Answer: An equals sign (=)

An equals symbol, =, means "equal to" or "the same as." The other symbols can all mean multiplication.

Students often learn to use an x for multiplication when they are first learning the subject. Later on, however, we replace the x with a dot or the "next to" notation, because an unknown value is often called x. It would be confusing if students had to write "3xx" to mean "3 times x!"
5. One reason that we use multiplication is because it can be so much faster than addition. To show this--which of the following expressions has a different value than the others?

Answer: 4 + 4 + 4 + 4

One trick that students often use when learning to multiply is that, for example, "3 times 4" is the same as "3 four times" or even "4 three times." Multiplying can make the process of addition much easier, especially if you're using numbers much larger than 3 or 4!
6. Let's do something other than math for a moment. Which of the following definitions could "multiply" also mean?

Answer: To breed or produce offspring, as animals

When animals like rabbits or other living things breed quickly, they are said to multiply.
7. Which of the following operations could best be considered the opposite of multiplication?

Answer: Division

Division is the operation used to "undo" multiplication. In mathematics, multiplication and division are called inverses because they share this property. If you aren't familiar with exponents or squaring yet, it's a useful operation that involves multiplying a number by itself a number of times.
8. You can often use multiplication to speed up addition problems.

Answer: True

Multiplication is often used to do the sum of many numbers very quickly. There is a legend about mathematician Karl Gauss that, at a very young age (probably 7 or 8), he amazed his teacher by using multiplication to quickly add the numbers 1 to 100. He would have done this by pairing them into sums of 101 (for example, 1 + 100 = 101, 2 + 99 = 101, 3 + 98 = 101, and so on) and then noticing that there would be exactly 50 pairs of numbers. So instead of adding, you could multiply 101 by 50 to find the sum (5050) much more quickly. There are many other situations in which you could use multiplication to greatly speed up a math problem.

It's a very useful operation.
9. In which of the following situations would using multiplication be the best choice?

Answer: Finding the area of a rectangle

Multiplication is nearly always the best method for finding the area of any shape. Washing the dishes doesn't use math at all, which may be why people don't enjoy it so much.
10. Which of the following math problems does not use multiplication at all?

Answer: 3 plus some number equals 10

Setting up problems in this way (finding "some number" or "some value") is what algebra is all about. Usually in algebra, we use a letter, like n or x, to stand for the term "some number" so that we don't have to write it over and over.
Source: Author avrandldr

This quiz was reviewed by FunTrivia editor NatalieW before going online.
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