Candy Rush

Front

What is the value of a digit in a number?

Back

The value of a digit in a number depends on its position. For example, in the number 4,562, the 5 represents 500 because it is in the hundreds place.

Front

How do you compare the values of the same digit in different places?

Back

The value of a digit can change based on its position. For example, the 8 in 14,865 is worth 80, while the 8 in 3,281 is worth 8,000. Thus, the 8 in 14,865 is 1/10 the value of the 8 in 3,281.

Front

What does rounding a number mean?

Back

Rounding a number means adjusting it to the nearest place value, making it simpler to work with. For example, rounding 1,643 to the nearest thousand gives you 2,000.

Front

What is the range of a number?

Back

The range of a number is the difference between the highest and lowest values. For example, if a farmer grew between 6,300,000 and 6,500,000 pounds of corn, the range is 200,000.

Front

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

Back

To round a number to the nearest ten thousand, look at the thousands place. If it is 5 or more, round up; if it is less than 5, round down.

Front

What is the population of a city?

Back

The population of a city is the total number of people living in that city. For example, Dallas has a population of 6,731,317.

Front

What is the significance of place value in numbers?

Back

Place value determines the value of a digit based on its position in a number. For example, in 5,432, the 5 is in the thousands place, making it worth 5,000.

Front

What does it mean for a number to be greater or less than another?

Back

A number is greater than another if it is larger in value. For example, 10 is greater than 5, and 5 is less than 10.

Front

How do you identify a number within a range?

Back

To identify a number within a range, check if it falls between the lowest and highest values. For example, 6,398,365 is between 6,300,000 and 6,500,000.

Front

What is the value of a digit in the tens place?

Back

The value of a digit in the tens place is ten times the digit itself. For example, in the number 47, the 4 is worth 40.