Unit 3 Lesson 13

Front

What is a number line?

Back

A number line is a straight line that represents numbers in order, with equal spaces between them.

Front

Where would the number 247 belong on a number line?

Back

247 would be placed between 200 and 300 on a number line.

Front

What is a multiple of 100?

Back

A multiple of 100 is any number that can be expressed as 100 times an integer, such as 100, 200, 300, etc.

Front

What is the closest multiple of 100 to 455?

Back

The closest multiple of 100 to 455 is 500.

Front

How do you find the closest multiple of 100 to a number?

Back

To find the closest multiple of 100, round the number to the nearest hundred.

Front

What does it mean to decompose a number?

Back

To decompose a number means to break it down into smaller parts or factors.

Front

What is an array in mathematics?

Back

An array is a way to organize objects in rows and columns to represent multiplication.

Front

How can you decompose 9 x 9 using arrays?

Back

You can decompose 9 x 9 as (6 x 9) + (3 x 9).

Front

What is the closest multiple of 100 to 205?

Back

The closest multiple of 100 to 205 is 200.

Front

What is the closest multiple of 100 to 172?

Back

The closest multiple of 100 to 172 is 200.