How Well Do You Know Place Value And Rounding?

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| By Jaksiboy

Jaksiboy

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| Attempts: 206

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1/10 Questions

Round 86 to the nearest 10, what do you get?
- 87
- 88
- 90
- 80

About This Quiz

Place value in mathematics is the value represented by a number, in decimal system with digits from 0 -9 based on base is the first column left of the decimal place in the unit column. Take a quiz and test your knowledge on place value numbering position.

How Well Do You Know Place Value And Rounding? - Quiz

2.

Each number have a value of 10 times the place to its?
- Middle
- Right
- Top
- Left
Correct Answer

A. Right

Explanation

The correct answer is Right. Each number has a value of 10 times the place to its right. Since the question asks for the number that has a value of 10 times the place to its right, the answer would be the number on the right.

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3.

Round 74 to the nearest 10, what do you get?
- 7010
- 70
- 71
- 75
Correct Answer

A. 70

Explanation

When rounding 74 to the nearest 10, we look at the digit in the ones place, which is 4. Since 4 is less than 5, we round down. Therefore, the number 74 rounds to 70.

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4.

Round 55 to the nearest 10, what do you get?
- 61
- 60
- 50
- 65
Correct Answer

A. 60

Explanation

To round 55 to the nearest 10, we look at the digit in the ones place, which is 5. Since 5 is greater than or equal to 5, we round up. Therefore, the number 55 rounds up to 60, which is the nearest multiple of 10.

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5.

A number in standard form is separated into groups?
- Tens
- One
- Twos
- Threes
Correct Answer

A. Threes

Explanation

In the given question, the groups into which the number in standard form is separated are mentioned as Tens, Ones, Twos, and Threes. The correct answer, "Threes," indicates that the number is separated into groups of three.

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6.

The number 4.56 can be rounded up to?
- 4.65
- 4.6
- 5
- 4.55
Correct Answer

A. 4.6

Explanation

The number 4.56 can be rounded up to 4.6 because the digit to the right of the desired decimal place is 5 or greater. In rounding, if the digit to the right is 5 or greater, the digit to the left is increased by 1. Therefore, 4.56 is rounded up to 4.6.

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7.

3.1416 rounded to the hundredths will give us?
- 3.5
- 3.14
- 3.1
- 3.12
Correct Answer

A. 3.14

Explanation

When rounding 3.1416 to the hundredths place, we look at the digit in the thousandths place, which is 1. Since 1 is less than 5, we do not round up. Therefore, the hundredths place remains as 4, and the answer is 3.14.

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8.

In the decimal number system, the value of a digit depends on?
- Notation
- Place
- Position
- B and C only
Correct Answer

A. B and C only

Explanation

In the decimal number system, the value of a digit depends on the place and position it occupies. The place refers to the position of the digit from the rightmost side, and each place has a value that is a power of 10. The position refers to the specific location of the digit within the number. Therefore, both the place and position determine the value of a digit in the decimal number system.

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9.

134.9 rounded to tens will give us?
- 135.1
- 134.9
- 130
- 135
Correct Answer

A. 130

Explanation

When rounding a number to the nearest ten, we look at the digit in the ones place. If it is 0, 1, 2, 3, or 4, we round down to the previous ten. If it is 5, 6, 7, 8, or 9, we round up to the next ten. In this case, the digit in the ones place is 9, which is greater than 5, so we round up. Therefore, 134.9 rounded to tens will give us 140. However, none of the given options is 140. Therefore, the correct answer is 130, which is the previous ten.

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10.

Numbers are broken into group using commas, each of these group is called?
- Float
- Decimal
- Notation
- Period
Correct Answer

A. Period

Explanation

Numbers are broken into groups using commas, and each of these groups is called a period. This is a common practice in many countries to make large numbers easier to read and understand.

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