Unit 2 Math Test Review

Front

What is rounding in mathematics?

Back

Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was.

Front

What does the term 'place value' mean?

Back

Place value is the value of a digit based on its position in a number. For example, in 4,567, the 5 is in the hundreds place, so its value is 500.

Front

What is the nearest thousand of 392,483?

Back

392,000

Front

What is the nearest hundred thousand of 392,483?

Back

400,000

Front

In the number 12,738, what is the value of the digit 2?

Back

The value of the digit 2 in 12,738 is 200.

Front

In the number 23,901, what is the value of the digit 2?

Back

The value of the digit 2 in 23,901 is 20,000.

Front

How much greater is the value of the digit 7 in the tens place compared to the digit 7 in the ones place in 328,077?

Back

The value of the 7 in the tens place is 10 times greater than the value of the 7 in the ones place.

Front

What is an estimate in mathematics?

Back

An estimate is a rough calculation of a value, often used when an exact number is not necessary.

Front

What is a reasonable estimate for $8,875?

Back

$9,000

Front

What is the value of the digit 3 in the number 3,456?

Back

The value of the digit 3 in 3,456 is 3,000.