4th Grade Math - Place Value and Rounding

Front

What is place value?

Back

Place value is the value of a digit based on its position within a number. For example, in the number 345, the digit 3 is in the hundreds place, so its place value is 300.

Tags

CCSS.4.NBT.A.1

Front

How do you round a number to the nearest hundred?

Back

To round a number to the nearest hundred, look at the digit in the tens place. If it is 5 or greater, round up. If it is less than 5, round down.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the value of the digit 5 in the number 57,892?

Back

In the number 57,892, the digit 5 is in the ten-thousands place, so its value is 50,000.

Tags

CCSS.4.NBT.A.1

Front

How do you compare two numbers?

Back

To compare two numbers, determine which number is greater, less than, or equal to the other by looking at their digits from left to right.

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CCSS.1.NBT.B.3

Front

What is the value of 8,000 in expanded form?

Back

8,000 in expanded form is 8,000 + 0 + 0 + 0.

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CCSS.4.NBT.A.2

Front

What is the difference between rounding up and rounding down?

Back

Rounding up means increasing the number to the next highest value, while rounding down means decreasing it to the next lowest value.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the place value of the digit 2 in the number 42,567?

Back

In the number 42,567, the digit 2 is in the thousands place, so its place value is 2,000.

Tags

CCSS.4.NBT.A.1

Front

How do you write the number 1,234 in word form?

Back

The number 1,234 is written in word form as 'one thousand two hundred thirty-four'.

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CCSS.4.NBT.A.2

Front

What is the sum of 9,000 + 80,000 + 500,000 + 20 + 1?

Back

The sum is 589,021.

Tags

CCSS.4.NBT.A.2

Front

What does it mean to write a number in expanded form?

Back

Writing a number in expanded form means breaking it down into the sum of its place values.

Tags

CCSS.2.NBT.A.3