Math (Winter Is Coming) Challenge

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you determine if two ratios form a proportion?

Back

Cross-multiply the ratios. If the products are equal, they form a proportion.

Front

What is the ratio of chocolate chips to flour in Mary's recipe?

Back

The ratio is 2 cups of chocolate chips to 4 cups of flour, which simplifies to 1:2.

Front

What is the ratio of chocolate chips to flour in Didi's recipe?

Back

The ratio is 5 cups of chocolate chips to 7 cups of flour.

Front

How do you compare two ratios?

Back

Convert them to fractions and find a common denominator or cross-multiply.

Front

What is the value of 5.5 x 3.6?

Back

The value is 19.8.

Front

What does the ratio 13 to 2 represent?

Back

It can represent the total to pie, meaning for every 15 parts, 13 are total and 2 are pie.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division.

Front

What is the simplest form of a ratio?

Back

The simplest form of a ratio is when both quantities are divided by their greatest common divisor.

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different.