Day 44 Ratio Predictions practice

Front

What is a ratio?

Back

A ratio is a relationship between two numbers that shows how many times the first number contains the second.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean to predict a ratio?

Back

To predict a ratio means to estimate the relationship between two quantities based on given information.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a scale factor?

Back

A scale factor is a number that scales, or multiplies, a quantity to create a proportional relationship.

Tags

CCSS.7.RP.A.2B

Front

How do you find the scale factor in a ratio problem?

Back

To find the scale factor, divide one quantity by the corresponding quantity in the ratio.

Tags

CCSS.7.RP.A.2B

Front

What is the purpose of using ratios in real life?

Back

Ratios are used to compare quantities, make predictions, and solve problems involving proportions.

Front

If the ratio of nails to phone shops is 3:2, how many nails are there if there are 10 phone shops?

Back

There are 15 nails (3/2 = x/10, so x = 15).

Front

What is the top number in a ratio called?

Back

The top number in a ratio is called the 'antecedent'.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the bottom number in a ratio called?

Back

The bottom number in a ratio is called the 'consequent'.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a recipe calls for a ratio of 2:1 for sugar to flour, how much sugar is needed for 3 cups of flour?

Back

You need 6 cups of sugar (2/1 = x/3, so x = 6).

Front

How can you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2