25-26 Unit 1, Part 1

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 number 342,567 is in standard form.

Front

How do you compare two numbers using symbols?

Back

You can use the symbols '>', '<', or '=' to compare two numbers. For example, 76,543 > 76,453 means 76,543 is greater than 76,453.

Front

What does the symbol '>' mean?

Back

'>' means 'greater than'. It is used to compare two numbers where the first number is larger than the second.

Front

What does the symbol '<' mean?

Back

'<' means 'less than'. It is used to compare two numbers where the first number is smaller than the second.

Front

What does the symbol '=' mean?

Back

'=' means 'equal to'. It is used to show that two numbers are the same.

Front

How do you determine the least number from a set of numbers?

Back

To find the least number, compare each number and identify the smallest one. For example, from 123,456, 132,456, 124,356, and 134,256, the least is 123,456.

Front

What is the value of a digit when it moves one place to the right?

Back

When a digit moves one place to the right, its value increases by a factor of ten. For example, in 67,842, if the 8 moves right, it becomes 80.

Front

What is the place value of the digit 8 in the number 67,842?

Back

In the number 67,842, the digit 8 is in the hundreds place, which means its value is 800.

Front

What is the value of the digit 2 in the number 342,567?

Back

In the number 342,567, the digit 2 is in the thousands place, which means its value is 2,000.

Front

How do you write a number in expanded form?

Back

Expanded form breaks down a number into the sum of its place values. For example, 342,567 can be written as 300,000 + 40,000 + 2,000 + 500 + 60 + 7.