Vaara
Vaara Classroom
CBSE · Class 6
▾
Videos
Practice
Progress
Sign in
Videos
Practice
Progress
←
All chapters
Back to videos
Chapter 6
Perimeter and Area
20 videos in this chapter
Understand perimeter
2 videos
Chapter 6
Perimeter is a journey around the edge
3:34
Perimeter is a journey around the edge
You'll learn: Distinguish boundary length from surface coverage
Chapter 6
Count every boundary side once
3:38
Count every boundary side once
You'll learn: Calculate the perimeter of an irregular straight-sided shape
Explain rectangle and square perimeter methods
3 videos
Chapter 6
A rectangle repeats two side lengths
3:23
A rectangle repeats two side lengths
You'll learn: Derive perimeter by adding the four sides
Chapter 6
A square repeats one side four times
3:35
A square repeats one side four times
You'll learn: Connect equal sides to four equal boundary lengths
Chapter 6
Equal-sided polygons follow the same idea
3:47
Equal-sided polygons follow the same idea
You'll learn: Use the number of equal sides in a perimeter calculation
Solve boundary and missing side problems
2 videos
Chapter 6
Find a missing boundary length
3:55
Find a missing boundary length
You'll learn: Use known sides and the perimeter total
Chapter 6
Read a fencing problem carefully
3:46
Read a fencing problem carefully
You'll learn: Distinguish full perimeter from the material actually needed
Understand area and square units
2 videos
Chapter 6
Area measures coverage
3:41
Area measures coverage
You'll learn: Cover a region without gaps or overlaps
Chapter 6
The unit square changes the count
3:40
The unit square changes the count
You'll learn: Connect unit size to the numerical area measure
Explain rectangle and square area methods
2 videos
Chapter 6
Rows and columns count the tiles
3:42
Rows and columns count the tiles
You'll learn: Derive rectangle area from a rectangular array
Chapter 6
A square is a rectangle with equal sides
3:40
A square is a rectangle with equal sides
You'll learn: Apply the array reasoning to squares
Estimate area and combine simple regions
3 videos
Chapter 6
Estimate coverage on a grid
3:44
Estimate coverage on a grid
You'll learn: Use full and partial squares to estimate area
Chapter 6
Split a shape into known regions
3:56
Split a shape into known regions
You'll learn: Add non-overlapping rectangular areas
Chapter 6
Remove a region to find what remains
3:43
Remove a region to find what remains
Compare perimeter and area independently
3 videos
Chapter 6
Same area can have different perimeters
3:57
Same area can have different perimeters
You'll learn: Track coverage and exposed edges separately
Chapter 6
Same perimeter can have different areas
3:52
Same perimeter can have different areas
You'll learn: Compare rectangular shapes with a fixed boundary length
Chapter 6
Design under a boundary or coverage constraint
3:48
Design under a boundary or coverage constraint
Explore triangle area by cutting a rectangle
3 videos
Chapter 6
A diagonal shares a rectangle into equal areas
3:42
A diagonal shares a rectangle into equal areas
You'll learn: Explain half-area by cutting and matching
Chapter 6
Different triangles can share the same area
3:46
Different triangles can share the same area
You'll learn: Extend the rectangle comparison using two pieces
Chapter 6
Use triangle pieces in an area puzzle
3:48
Use triangle pieces in an area puzzle
You'll learn: Subtract a known cut-out area
You'll learn: Explain a choice using both measurements
You'll learn: Calculate a composite region with the taught method