Place Value, Comparing Numbers, and Rounding

Front

What is place value?

Back

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

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CCSS.4.NBT.A.1

Front

What is the value of the 3 in 23,715?

Back

30,000

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CCSS.4.NBT.A.1

Front

What is the place value of the 8 in 9,780?

Back

tens

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CCSS.4.NBT.A.2

Front

What is expanded form?

Back

Expanded form is a way to write a number by showing the value of each digit. For example, 145 in expanded form is 100 + 40 + 5.

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CCSS.2.NBT.A.3

Front

Which number is greater: 162 or 98?

Back

162 is greater than 98.

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CCSS.2.NBT.A.4

Front

What do you do when rounding a number?

Back

When rounding a number, you look at the digit to the right of the place you are rounding to. If it is 5 or more, you round up; if it is 4 or less, you round down.

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CCSS.4.NBT.A.3

CCSS.3.NBT.A.1

Front

What is the value of the 5 in 5,432?

Back

5,000

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CCSS.4.NBT.A.1

Front

How do you compare two numbers?

Back

To compare two numbers, look at the digits from left to right and see which number has a greater digit in the first place that differs.

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CCSS.1.NBT.B.3

Front

What is the value of the 7 in 7,890?

Back

700

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CCSS.4.NBT.A.1

Front

What is the rule for rounding numbers?

Back

Four or less, let it rest; five or more, raise the score.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3