HomePublic NotesNote detailsFlashcards

Flashcards for:

Math Antics - Telling Time

Why are there no practice problems for this number line lesson?

Press to flip

The main goal is to understand how the number line works rather than practice solving problems, but future lessons will provide math practice opportunities.

What is the number line?

Press to flip

The number line is an important tool for visualizing how different numbers relate to each other. It consists of a long horizontal line with an arrow at the end, and tiny vertical marks showing where each amount belongs on the line.

How does the number line represent numbers?

Press to flip

The number line uses marks that are equally spaced apart to represent numbers, which differ from their immediate neighbors by the same amount, usually one.

What is the pattern of numbers on the number line?

Press to flip

As you move left to right on the number line, each number is greater than the previous number, and as you move right to left, each number is less than the previous number.

Can the number line go on forever?

Press to flip

Yes, technically the number line goes on forever because there's no 'biggest number'. You can always add one more to make the line longer, indicated by the arrow at the end.

How can you draw a number line for larger numbers?

Press to flip

You can draw a number line starting at a larger number, such as 95, and not necessarily at zero, or you can use multiples like 10, 20, 30, etc., to show a longer range without showing all numbers.

What does the space between whole numbers on a number line represent?

Press to flip

The space between whole numbers can represent fractions or decimals, such as halves, tenths, hundredths, etc., indicating more precise values between those whole numbers.

What are some types of fractions shown on the number line?

Press to flip

The number line can show fractions like one-half, one-tenth, one-hundredth by dividing the space between whole numbers into equal parts.

Is there a 'smallest number' on the number line?

Press to flip

No, just as there is no 'biggest number', there is no 'smallest number'. You can keep subdividing fractions into even smaller and smaller fractions infinitely.

Why is the number line useful?

Press to flip

The number line provides a visual representation that helps understand how numbers relate to each other by showing a range of values, bigger as you move right and smaller as you move left.

What does the arrow on the number line signify?

Press to flip

The arrow signifies that the number sequence extends indefinitely, where numbers continue forever beyond what is drawn.

Can the number line help with understanding math?

Press to flip

Yes, the number line can aid in understanding 'the big picture' of math by visualizing how numbers relate to one another.

What is an example of starting the number line at a different number?

Press to flip

Instead of starting at zero, you could start at a bigger number like 95 and show increments of one until reaching a higher number, while arrows indicate continuation in either direction.

How do you show decimals on a number line?

Press to flip

You can divide the space between whole numbers into tenths, hundredths, etc., using decimals to represent these subdivisions.

What is a 'snapshot' of the number line?

Press to flip

A 'snapshot' of the number line is the part of the number line relevant to a specific problem or range of interest since you can’t fit the infinite line in a single image.

What do the marks between 0 and 1 represent with decimals?

Press to flip

The marks represent tenths, hundredths, etc., with decimal values such as 0.1, 0.01, and so forth, showing precise fractional parts between whole numbers.

How does the number line help with understanding decimals?

Press to flip

The number line visually represents decimal places through markings like tenths and hundredths to illustrate fractions between whole numbers.

Why are there no practice problems for this number line lesson?

Press to flip

The main goal is to understand how the number line works rather than practice solving problems, but future lessons will provide math practice opportunities.

What is the number line?

Press to flip

The number line is an important tool for visualizing how different numbers relate to each other. It consists of a long horizontal line with an arrow at the end, and tiny vertical marks showing where each amount belongs on the line.