Grade 3 · Math
Find rectangle area practice
Find the area of a rectangle by multiplying side lengths.
Opening your practice adventure…
Try a sample
A rectangle is 14 cm long and 10 cm wide. What is its area in square centimeters?
- 140
- 142
- 141
- 138
See the answer & why
140
Area = length × width = 14 × 10 = 140 square centimeters.
A little hint: Count how many square units cover the surface.
A teaching tip
Area counts square units that cover a surface; do not add the sides.