🕵️ Area Detectives
What does area measure?
What is the amount of space inside a shape.
What multiplication sentence helps find area?
Length × width
What type of angle is smaller than 90°?
Acute angle
Estimate: Is a sticky note closer to 10 cm² or 100 cm²?
10 cm²
A rectangle has an area of 36 square centimetres.
One side length is 4 cm longer than the other side length.
What could the side lengths be?
4 cm and 9 cm
What unit is used to measure area?
Square units (like cm²).
A rectangle is 4 cm long and 3 cm wide. What is the area?
12 cm²
What type of angle measures exactly 90°?
Right Angle.
Two shapes look different but have the same area. Is this possible?
Yes.
A shape covers 12 squares. What is its area?
12 square units.
A rectangle has 5 rows of 2 squares. What is the area?
10 square units
What type of angle measures more than 90° but less than 180°?
Obtuse Angle
A playground is 8 m long and 5 m wide. What is the area?
40 m²
True or False: Area is measured in centimetres only.
False.
A rectangle has an area of 24 cm². One side is 6 cm. What is the other side?
4 cm
How many degrees are in a full circle?
360°
Estimate whether this angle is closer to 45° or 90°.
TBD
If you move pieces of a shape around, does the area change?
No, the area stays the same.
Explain how arrays help us find area.
Arrays show rows and columns that can be multiplied.
What fraction of a full turn is 180°?
One-half
Draw a rectangle with an area of 20 square units using two different side lengths.
Examples: 4×5 or 2×10