Exploring Area with Unit Cubes and Algorithms

What is the area of a rectangle with a length of 3 unit cubes and a width of 2 unit cubes?

• 9 units squared

• 5 units squared

• 8 units squared

• 6 units squared

How do you find the total area of a model divided into a blue and a yellow portion?

• Multiply the lengths of both portions

• Add the areas of both portions

• Subtract the area of the yellow portion from the blue

• Divide the area of the blue portion by the yellow

If a rectangle has no unit cubes, how can you find its area?

• By adding the length and width

• By dividing the length by the width

• By multiplying the length by the width

• By subtracting the width from the length

What is the area of a red portion of a composite figure if its dimensions are 10 by 2?

• 24 units squared

• 20 units squared

• 18 units squared

• 22 units squared

How do you find the total area of a composite figure made of a rectangle and a square?

• Multiply the areas of the rectangle and square

• Add the areas of the rectangle and square

• Subtract the area of the square from the rectangle

• Divide the area of the rectangle by the square