4th Grade Number Sense Review

Front

What does it mean to compare numbers?

Back

To compare numbers means to determine their relationship in terms of size, using symbols like > (greater than), < (less than), or = (equal to).

Front

What is standard form in mathematics?

Back

Standard form is a way of writing numbers using digits, where each digit has a place value. For example, 815,475 is in standard form.

Front

How do you round a number to the nearest ten-thousand?

Back

To round to the nearest ten-thousand, look at the thousands place. If it's 5 or more, round up; if it's 4 or less, round down.

Front

How do you write numbers in word form?

Back

Writing numbers in word form means expressing the number using words. For example, 623,194 is written as 'Six hundred twenty-three thousand, one hundred ninety-four'.

Front

What does '7 tenths' mean in decimal form?

Back

'7 tenths' means 0.7 in decimal form.

Front

What is the place value of the digit 5 in the number 518,457?

Back

In the number 518,457, the digit 5 is in the hundred-thousands place, representing 500,000.

Front

What is the difference between 'greater than' and 'less than'?

Back

'Greater than' (>) indicates that one number is larger than another, while 'less than' (<) indicates that one number is smaller.

Front

What is the purpose of rounding numbers?

Back

Rounding numbers simplifies them, making them easier to work with, especially in estimation.

Front

How do you identify the largest number from a set of numbers?

Back

To identify the largest number, compare each number and find the one with the highest value.

Front

What is the value of the digit 4 in the number 24,567?

Back

In the number 24,567, the digit 4 is in the thousands place, representing 4,000.