11/6 Do Now

Front

What is a ratio?

Back

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

Front

How do you simplify a ratio?

Back

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

Front

If the ratio of boys to girls is 2 to 3, what does this mean in terms of a classroom of 5 students?

Back

In a classroom of 5 students, the ratio of boys to girls means there would be 2 boys and 3 girls.

Front

How can you find the total number of students if you know the number of girls and the ratio of boys to girls?

Back

You can find the total number of students by using the ratio to determine the number of boys and then adding the number of girls.

Front

What is the formula to find the number of boys if the number of girls and the ratio of boys to girls is known?

Back

If the ratio of boys to girls is a:b and the number of girls is g, then the number of boys (b) can be found using the formula: b = (a/b) * g.

Front

What is the importance of understanding ratios in real-life applications?

Back

Understanding ratios helps in making comparisons, understanding proportions, and solving problems in various fields such as finance, cooking, and science.

Front

How do you convert a ratio into a fraction?

Back

To convert a ratio into a fraction, write the first term as the numerator and the second term as the denominator.

Front

What is a proportion?

Back

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

Front

How can you check if two ratios are proportional?

Back

You can check if two ratios are proportional by cross-multiplying and comparing the products.

Front

What is the relationship between ratios and percentages?

Back

Ratios can be converted to percentages by dividing one part of the ratio by the total and multiplying by 100.