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Solving Math Grade 7 Page 38 Volume 1 Textbook Connect Knowledge provides detailed solutions for the Consolidated Practice lesson on page 38. Students can refer to it to easily complete homework exercises, reinforce their understanding of the material learned.
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Solving Math Grade 7 Page 38 Volume 1 Textbook Connect Knowledge
Concentration Practice
1. Solve Exercise 2.19 Page 38 Math Textbook Grade 7
Problem: Given four fractions:
a) Which of the fractions among the given fractions cannot be expressed as a finite decimal number?
Guidance:
a) Write the fractions in decimal form and identify the terminating decimals.
b) Express the fraction as a decimal and then compare.
Answer:
a) We have:
b)
2. Solve Exercise 2.20 Page 38 Math Textbook Grade 7
Solution Guide:
+ Perform division operation.
+ Observe and write the result in the form of a recurring decimal.
Answer:
3. Solve Exercise 2.21 Page 38 Math Textbook Grade 7
Solution Guide:
Step 1: Perform division operations 5 divided by 9 and 5 divided by 99 to obtain decimal results.
Step 2: Determine the period of each decimal number to write the number.
Answer:
4. Solving Exercise 2.22 Page 38 Mathematics Textbook Grade 7
Problem: Nam draws a part of the number line on his grid paper and marks three points A, B, C as follows:
a) Determine which decimal numbers are represented by points A and B?
b) Round the decimal number represented by point C to an accuracy of 0.05.
Solution Guide:
a) Count the number of divisions on a unit.
Find the distance from each point to the milestone points 13, 14.
b) Round the decimal number represented by point C to an accuracy of 0.05, meaning rounding to the first decimal place.
Answer:
a) Point A represents the number 13.4.
Point B represents the number 14.2.
b) Rounding the decimal number represented by point C to an accuracy of 0.05, we get 14.6.
5. Solve Exercise 2.23 Page 38 SGK Mathematics Grade 7
Problem: Replace the '?' with the appropriate number.
Solution Guide:
Compare the digits at corresponding positions of the two decimal numbers.
Answer:
6. Solve Exercise 2.24 Page 38 SGK Mathematics Grade 7
Problem: Compare:
a) 12.26 and 12.(24); b) 31.3(5) and 29.9(8)
Solution Guide:
Compare the digits at corresponding positions of the two decimal numbers
Answer:
7. Solve Exercise 2.25 Page 38 SGK Mathematics Grade 7
Exercise: Calculate:
8. Solve Exercise 2.26 Page 38 SGK Mathematics Grade 7
Exercise: Calculate:
Here is the solution for 7th-grade math exercises on page 38 of Volume 1 of Textbook Connect Knowledge. We hope students find it easy to do homework exercises and reinforce their knowledge.
Next Exercise:
- Solve Math Grade 7 Page 39 Volume 1 Textbook Connect Knowledge - Last Exercise of Chapter 2
- Solve Math Grade 7 Page 45 Volume 1 Textbook Connect Knowledge - Exercise 8: Special Angle. Bisector of an Angle
