Topic 1 Envision Review

Front

What is expanded form?

Back

Expanded form is a way of writing numbers that shows the value of each digit. For example, 1321 in expanded form is 1000 + 300 + 20 + 1.

Front

How do you round a number to the nearest thousand?

Back

To round a number to the nearest thousand, look at the hundreds digit. If it is 5 or more, round up. If it is less than 5, round down.

Front

What is the expanded form of 245?

Back

The expanded form of 245 is 200 + 40 + 5.

Front

What is the value of the digit 7 in the number 3247?

Back

In the number 3247, the digit 7 is in the ones place.

Front

Which of the following is a true comparison: 123 = 132, 432 = 423, 987 = 987, or 237 = 273?

Back

The true comparison is 987 = 987.

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 345, the 3 is in the hundreds place, so its value is 300.

Front

How do you write a number in standard form?

Back

Standard form is writing a number using digits. For example, the number two thousand three hundred forty-five is written as 2345.

Front

What is the difference between a digit and a number?

Back

A digit is a single symbol used to make numbers (0-9), while a number is a combination of digits that represents a value.

Front

What is the value of the digit 4 in the number 1456?

Back

In the number 1456, the digit 4 is in the hundreds place, so its value is 400.

Front

How do you compare two numbers?

Back

To compare two numbers, look at their digits from left to right and determine which number is greater, lesser, or if they are equal.