Week4 5.NBT.A.2: 1.2, 1.3, 17.1[5Phoenix]

Front

What is standard form in mathematics?

Back

Standard form is a way of writing numbers using digits, where each digit has a specific place value. For example, the standard form of 1,000 + 300 + 50 + 7 is 1,357.

Front

How do you identify the tenths place in a decimal number?

Back

The tenths place is the first digit to the right of the decimal point. For example, in the number 236.4791, the digit in the tenths place is 4.

Front

What is the value of a digit in a number?

Back

The value of a digit is determined by its place in the number. For example, in the number 549,632, the 4 is in the ten-thousands place, so its value is 40,000.

Front

What is the standard form of 10 raised to the power of 4?

Back

The standard form of 10^4 is 10,000.

Front

What is place value?

Back

Place value is the value of a digit based on its position in a number. Each position represents a power of 10.

Front

How do you convert a number from expanded form to standard form?

Back

To convert from expanded form to standard form, you add the values of each term together. For example, 1,000 + 300 + 50 + 7 converts to 1,357.

Front

What is the difference between whole numbers and decimal numbers?

Back

Whole numbers are non-negative numbers without fractions or decimals, while decimal numbers include a decimal point and can represent fractions.

Front

How do you round a number to the nearest whole number?

Back

To round a number to the nearest whole number, look at the digit in the tenths place. If it is 5 or greater, round up; if it is less than 5, round down.

Front

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

Back

In the number 3,456, the digit 3 is in the thousands place, so its value is 3,000.

Front

What is expanded form?

Back

Expanded form is a way of writing a number that shows the value of each digit. For example, 1,357 can be written in expanded form as 1,000 + 300 + 50 + 7.