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NCERT · Ganita Prakash · Volume 1 · Chapter 7
Proportional Reasoning 1
41 videos in this chapter
Proportional Reasoning 1
41 videos
Chapter 7
Resize a Picture Without Distorting It
2:53
Resize a Picture Without Distorting It
You'll learn: Resize a Picture Without Distorting It
Chapter 7
What Does a Ratio Tell Us?
3:00
What Does a Ratio Tell Us?
You'll learn: What Does a Ratio Tell Us?
Chapter 7
Simplify Ratios and Recognise a Proportion
2:56
Simplify Ratios and Recognise a Proportion
You'll learn: Simplify Ratios and Recognise a Proportion
Chapter 7
Keep Lemonade Equally Sweet
3:02
Keep Lemonade Equally Sweet
You'll learn: Keep Lemonade Equally Sweet
Chapter 7
Does Less Cement Necessarily Mean a Weaker Wall?
2:50
Does Less Cement Necessarily Mean a Weaker Wall?
You'll learn: Does Less Cement Necessarily Mean a Weaker Wall?
Chapter 7
Compare Teacher-to-Student Ratios
3:01
Compare Teacher-to-Student Ratios
You'll learn: Compare Teacher-to-Student Ratios
Chapter 7
Draw a Blackboard at a Smaller Scale
3:03
Draw a Blackboard at a Smaller Scale
You'll learn: Draw a Blackboard at a Smaller Scale
Chapter 7
Why an Age Ratio Changes as Both People Grow Older
2:46
Why an Age Ratio Changes as Both People Grow Older
You'll learn: Why an Age Ratio Changes as Both People Grow Older
Chapter 7
Find the Missing Term Using a Scale Factor
2:51
Find the Missing Term Using a Scale Factor
You'll learn: Find the Missing Term Using a Scale Factor
Chapter 7
Regular, Strong or Light Coffee?
3:03
Regular, Strong or Light Coffee?
You'll learn: Regular, Strong or Light Coffee?
Chapter 7
Which Proportion Statements Are True?
2:53
Which Proportion Statements Are True?
You'll learn: Which Proportion Statements Are True?
Chapter 7
Find Similar Rectangles Even When They Are Turned
3:02
Find Similar Rectangles Even When They Are Turned
You'll learn: Find Similar Rectangles Even When They Are Turned
Chapter 7
Find a Brick Wall’s Ratio From Its Repeating Unit
2:56
Find a Brick Wall’s Ratio From Its Repeating Unit
You'll learn: Find a Brick Wall’s Ratio From Its Repeating Unit
Chapter 7
Draw a Figure With Proportional Body Parts
3:05
Draw a Figure With Proportional Body Parts
You'll learn: Draw a Figure With Proportional Body Parts
Chapter 7
Scale a School Meal for Fewer Students
2:47
Scale a School Meal for Fewer Students
You'll learn: Scale a School Meal for Fewer Students
Chapter 7
Why Cross Multiplication Works
2:55
Why Cross Multiplication Works
You'll learn: Why Cross Multiplication Works
Chapter 7
Convert the Time Before Scaling a Journey
3:05
Convert the Time Before Scaling a Journey
You'll learn: Convert the Time Before Scaling a Journey
Chapter 7
Which Tea Is More Expensive?
3:02
Which Tea Is More Expensive?
You'll learn: Which Tea Is More Expensive?
Chapter 7
Scale a Recipe for Guests
3:11
Scale a Recipe for Guests
You'll learn: Scale a Recipe for Guests
Chapter 7
Estimate One Week of Earth’s Journey
3:04
Estimate One Week of Earth’s Journey
You'll learn: Estimate One Week of Earth’s Journey
Chapter 7
Count the Wall Length Before Estimating Bricks
3:08
Count the Wall Length Before Estimating Bricks
You'll learn: Count the Wall Length Before Estimating Bricks
Chapter 7
Faster Travel Does Not Mean More Travel Time
2:55
Faster Travel Does Not Mean More Travel Time
You'll learn: Faster Travel Does Not Mean More Travel Time
Chapter 7
Are Bigger Packs Priced Proportionally?
3:26
Are Bigger Packs Priced Proportionally?
You'll learn: Are Bigger Packs Priced Proportionally?
Chapter 7
Share Twelve Counters Unequally
2:43
Share Twelve Counters Unequally
You'll learn: Share Twelve Counters Unequally
Chapter 7
Divide a Whole Using the Sum of the Ratio Terms
2:48
Divide a Whole Using the Sum of the Ratio Terms
You'll learn: Divide a Whole Using the Sum of the Ratio Terms
Chapter 7
Share Profit in the Ratio of Investment
2:54
Share Profit in the Ratio of Investment
You'll learn: Share Profit in the Ratio of Investment
Chapter 7
How Much Cement Must Be Added to Change a Ratio?
2:55
How Much Cement Must Be Added to Change a Ratio?
You'll learn: How Much Cement Must Be Added to Change a Ratio?
Chapter 7
Divide Money and Ingredient Totals
3:02
Divide Money and Ingredient Totals
You'll learn: Divide Money and Ingredient Totals
Chapter 7
Adding One Colour Changes Both the Total and the Ratio
2:50
Adding One Colour Changes Both the Total and the Ratio
You'll learn: Adding One Colour Changes Both the Total and the Ratio
Chapter 7
Convert Length, Area and Volume With the Right Factor
3:13
Convert Length, Area and Volume With the Right Factor
You'll learn: Convert Length, Area and Volume With the Right Factor
Chapter 7
Why Celsius and Fahrenheit Are Not in Direct Proportion
3:08
Why Celsius and Fahrenheit Are Not in Direct Proportion
You'll learn: Why Celsius and Fahrenheit Are Not in Direct Proportion
Chapter 7
Juice Ratios and the Number of Buses Needed
2:57
Juice Ratios and the Number of Buses Needed
You'll learn: Juice Ratios and the Number of Buses Needed
Chapter 7
Which City Is More Crowded?
3:06
Which City Is More Crowded?
You'll learn: Which City Is More Crowded?
Chapter 7
A Crane’s Neck Ratio and a Historical Saffron Problem
2:57
A Crane’s Neck Ratio and a Historical Saffron Problem
You'll learn: A Crane’s Neck Ratio and a Historical Saffron Problem
Chapter 7
When Will the Siblings’ Age Ratio Become One to Two?
2:43
When Will the Siblings’ Age Ratio Become One to Two?
You'll learn: When Will the Siblings’ Age Ratio Become One to Two?
Chapter 7
Compare Masses for Equal Volumes
3:08
Compare Masses for Equal Volumes
You'll learn: Compare Masses for Equal Volumes
Chapter 7
Scale a Farming Quantity and a Land Price by Area
3:11
Scale a Farming Quantity and a Land Price by Area
You'll learn: Scale a Farming Quantity and a Land Price by Area
Chapter 7
Water Flow and Ploughing Time: Identify What Stays Fixed
2:52
Water Flow and Ploughing Time: Identify What Stays Fixed
You'll learn: Water Flow and Ploughing Time: Identify What Stays Fixed
Chapter 7
Estimate the Metal Cost in the Given Coin Model
3:05
Estimate the Metal Cost in the Given Coin Model
You'll learn: Estimate the Metal Cost in the Given Coin Model
Chapter 7
Choose the Right Proportional Reasoning Strategy
3:28
Choose the Right Proportional Reasoning Strategy
You'll learn: Choose the Right Proportional Reasoning Strategy
Chapter 7
Binairo: Balance, Avoid Triples and Keep Rows Unique
5:23
Binairo: Balance, Avoid Triples and Keep Rows Unique
You'll learn: Binairo: Balance, Avoid Triples and Keep Rows Unique