Number sense

Front

What is number sense?

Back

Number sense is the ability to understand, interpret, and work with numbers. It includes skills such as estimating, comparing, and performing calculations.

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CCSS.1.OA.A.1

Front

What is the value of the digit 3 in the number 329,515?

Back

The value of the digit 3 in 329,515 is 300,000.

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CCSS.4.NBT.A.1

Front

How do you determine the greatest digit in a number?

Back

To determine the greatest digit in a number, compare each digit's value and identify the one with the highest value.

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CCSS.1.NBT.B.3

Front

What is the place value of the digit 5 in the number 329,515?

Back

The place value of the digit 5 in 329,515 is 50,000.

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CCSS.4.NBT.A.1

Front

What is the result of 524 - 356?

Back

The result of 524 - 356 is 168.

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How can you break down the number 125 into its component parts?

Back

125 can be broken down into 100 + 20 + 5.

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CCSS.2.NBT.A.3

Front

What is the difference between an even and an odd number?

Back

An even number is divisible by 2, while an odd number is not.

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CCSS.2.OA.C.3

Front

What is the sum of 250 and 750?

Back

The sum of 250 and 750 is 1,000.

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CCSS.4.NBT.B.4

Front

How do you round the number 67 to the nearest ten?

Back

67 rounded to the nearest ten is 70.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the concept of estimation in mathematics?

Back

Estimation is the process of finding an approximate value that is close to the actual value, often used for quick calculations.