Everyday Math Unit 4

Front

What is the length of an object measured to the nearest HALF inch?

Back

To find the length to the nearest half inch, round the measurement to the closest 0.5 increment.

Front

What is area in mathematics?

Back

Area is the amount of space inside a shape, measured in square units.

Front

How do you calculate the area of a rectangle?

Back

Area = length x width.

Front

What is the formula for finding the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Front

What does 'carat' measure in jewelry?

Back

Carat measures the weight of a gemstone, where 1 carat equals 200 milligrams.

Front

What is the difference between square units and units?

Back

Square units measure area (e.g., square inches), while units measure length (e.g., inches).

Front

How do you find the perimeter of a shape?

Back

Add the lengths of all the sides of the shape.

Front

What is a half inch?

Back

A half inch is equal to 0.5 inches.

Front

What is the area of a square with sides of 4 units?

Back

Area = 4 x 4 = 16 square units.

Front

How do you round a number to the nearest whole number?

Back

If the decimal is 0.5 or higher, round up; if it's less than 0.5, round down.