Ratios and Spiral DO NOW

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How do you write a ratio?

Back

A ratio can be written using a colon (:) or the word 'to'. For example, the ratio of 3 to 4 can be written as 3:4 or 3 to 4.

Front

What is the opposite of a number?

Back

The opposite of a number is the number that is the same distance from zero on the number line but in the opposite direction. For example, the opposite of 23 is -23.

Front

What does |x| represent?

Back

|x| represents the absolute value of x, which is the distance of x from 0 on the number line, regardless of direction.

Front

What is the ratio of 10 players to 3 coaches?

Back

The ratio of players to coaches is 10:3.

Front

If there are 4 triangles and 3 squares, what is the ratio of triangles to squares?

Back

The ratio of triangles to squares is 4:3.

Front

What is the distance from -4 to 0 on a number line?

Back

The distance from -4 to 0 is 4 units.

Front

What is the ratio of 5 apples to 10 oranges?

Back

The ratio of apples to oranges is 5:10, which simplifies to 1:2.

Front

How can you express the ratio of 2 to 5?

Back

The ratio of 2 to 5 can be expressed as 2:5 or 2 to 5.

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares two different parts of a whole. For example, in a class of 10 boys and 5 girls, the part-to-part ratio of boys to girls is 10:5.