Bell Work Nov 24

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second. It is often expressed as 'a to b' or as a fraction a/b.

Front

If the ratio of marshmallows to cereal is 2 to 5, how can you find the number of cereal pieces if you know the number of marshmallows?

Back

To find the number of cereal pieces, set up a proportion: if 2 marshmallows correspond to 5 pieces of cereal, then 60 marshmallows correspond to x pieces of cereal. Use the equation: 2/5 = 60/x, which gives x = 150.

Front

How do you calculate the total amount of apples needed for a certain number of pies?

Back

To calculate the total amount of apples needed, determine how many apples are required for one pie and multiply that number by the total number of pies.

Front

What is the surface area of a shape?

Back

The surface area is the total area that the surface of a three-dimensional object occupies. It is measured in square units.

Front

How do you find the ratio of two quantities?

Back

To find the ratio of two quantities, divide one quantity by the other and simplify the fraction if possible.

Front

What is the ratio of cats to dogs if there are 15 cats and 20 dogs?

Back

The ratio of cats to dogs is 15 to 20, which simplifies to 3 to 4.

Front

If you have 60 marshmallows and the ratio of marshmallows to cereal is 2 to 5, how many pieces of cereal do you have?

Back

You have 150 pieces of cereal.

Front

How many cookies can you make with one stick of butter?

Back

You can make 8 cookies with one stick of butter.

Front

What is the formula for calculating the surface area of a rectangular prism?

Back

The surface area (SA) of a rectangular prism is calculated using the formula: SA = 2(lw + lh + wh), where l is length, w is width, and h is height.

Front

What does it mean to simplify a ratio?

Back

To simplify a ratio means to reduce it to its smallest form by dividing both terms by their greatest common divisor.