Back to Apply the area and perimeter formulas for rectangles in real world and mathematical problems — Problem 2 · Task Set 21
Exercises: Applying Area and Perimeter Formulas for Rectangles
Work through each section in order. Before computing, decide whether a problem asks
for area or perimeter, and label every answer with the correct kind of unit.
Grade 4·21 problems·~28 min·Common Core Math - Grade 4·standard·4-md-a-3
Work through problems with immediate feedback
A
Recall / Warm-Up
These problems review skills from earlier grades that this lesson depends on.
1.
What number makes this true: ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ x 6 = 42?