Solving Grade 7 Math Workbook 1 Page 105, Connecting Knowledge with Life, providing solutions for exercises 5.10, 5.11, 5.12, 5.13 regarding Line Segment Chart in the textbook. Students are encouraged to refer for hints on how to solve exercises and grasp lesson concepts.
Explore multiple excellent resources for Grade 7 Math
- Solving Grade 7 Math, Connecting Knowledge
- Solving Grade 7 Math Workbook 2 Page 19, Kite Book - Exercise 3: Line Segment Chart
- Solving Grade 7 Math Workbook 1 Pages 106, 107, Creative Horizon Book - Exercise 3: Line Segment Chart
Solving Grade 7 Math Workbook 1 Page 105, Connecting Knowledge with Life
Line Segment Chart
1. Solve Exercise 5.10 Page 105 Math Textbook Grade 7
Problem Statement: Diagram Figure 5.32 shows the world records for the 100m dash over the years from 1912 to 2009.
a) What was the world record for the 100m dash in 1991?
b) From 1912 to 2009, how many seconds did the world record for the 100m dash decrease by?
Solution Guide:
Observe Diagram Figure 5.32 and answer the question.
Answer:
a) The world record for the 100m dash in 1991 was 9.86 seconds.
b) From 1912 to 2009, the world record for the 100m dash decreased by:
10.6 - 9.58 = 1.02 (seconds).
2. Solve Exercise 5.11 Page 105 Math Textbook Grade 7
Problem Statement: Diagram Figure 5.33 shows the population of three continents including Africa, America, and Europe in certain years.
a) Determine the trends of population growth or decline for each continent over time.
b) Among the three continents, which continent has the highest and lowest populations from 1950 to 1980?
c) From 1950 to 1980, which continent had the slowest population growth?
Solution Guide:
Observe the chart and answer the questions.
Answer:
a) The population of all three continents increases over time.
b) Among the three continents, Europe has the highest population, while Africa has the lowest population from 1950 to 1980.
c) From 1950 to 1980, the population of Europe increases at the slowest rate.
3. Solve Exercise 5.12 Page 105 Math Textbook Grade 7
Problem Statement: The following table shows the temperature in the capital city of Hanoi on an autumn day.
Draw a line segment chart representing the given statistical table.
Solution Guide:
Based on the data provided in the table, draw a line segment chart.
Answer:
4. Solve Exercise 5.13 Page 105 Math Textbook Grade 7
Problem Statement: The number of wins of a football team over 8 years from 2013 to 2020 is given as follows:
36 42 15 23 25 35 32 20.
a) Draw a line segment chart representing the given series of data.
b) Determine if the number of wins of this football team is increasing or decreasing over the years.
Guide:
Draw and observe the chart just drawn to answer the question.
Answer:
b) The number of wins of this football team decreases over the years.
Here's the guidance for solving 7th-grade math problems on page 105 of workbook 1. Students, please refer to solve 7th-grade math problems on page 107 of workbook 1 and solve 7th-grade math problems on pages 108 and 109 of workbook 1 to prepare for the upcoming lesson.
- Solve 7th-grade math problems on page 107 of workbook 1 from the book 'Connecting Knowledge' - Focus exercises on pages 106, 107
- Solve 7th-grade math problems on pages 108 and 109 of workbook 1 from the book 'Connecting Knowledge' - Final exercises of chapter 5
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