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Solving exercises on page 48 Math Textbook Grade 5, Concentrated Practice - Including solution methods
Solve exercise 1 on page 48 Math Textbook Grade 5
Problem:
Write the following measurements in decimal form with the unit being meter:
a) 3m 6dm; b) 4dm;
c) 34m 5cm; d) 345cm.
To solve this problem, refer to the solution provided in the exercise Problem 3 on page 44 of Mathematics textbook Grade 5.
Answer:
To solve:
- Refer to the unit conversion table for mass. Adjacent units differ by a factor of 10:
+ The larger unit is 10 times greater than the adjacent smaller unit.
+ The smaller unit is 1/10th of the adjacent larger unit.
- 1 tonne = 1000 kg
- 1 kg = 1/1000 tonne.
Answer:
Solve problem 3 on page 48 of Mathematics textbook Grade 5.
Problem:
Insert the appropriate decimal number in the blank:
a) 42dm 4cm = ....dm;
b) 56cm 9mm = ...cm;
c) 26m 2cm = ....m.
Refer back to the detailed instructions in the section Problem 3 on page 44 of Mathematics textbook Grade 5.
Answer:
Solve problem 4 on page 48 of Mathematics textbook Grade 5.
Problem:
Insert the appropriate decimal number in the blank:
a) 3kg 5g = ...kg;
b) 30g = ....kg;
c) 1103g = ...kg
Refer to the detailed instructions in section Problem 1 on page 45 of Mathematics textbook Grade 5.
Answer:
The weight of the orange bag:
a) ...kg
b) ....g
Observation: Upon careful observation of the diagram, it is noted that the weight of the orange bag on the left side of the scale is equal to the total weight of 4 weights (on the right side of the scale).
Solution:
- Calculate the total weight of the weights on the right side by adding the weight of each weight together.
=> Note: It is necessary to convert to the same unit of measurement (the smallest unit) before performing the addition.
- Convert the measurement unit of the obtained result from grams to kilograms and draw a conclusion.
Answer:
Convert 1kg = 1000g
The total weight of the weights on the right side of the scale is:
1000g + 500g + 200g + 100g = 1800g
1800g = 1.8kg
Therefore, the weight of the orange bag is 1.8kg or 1800g
=> Fill in as follows:
a) 1.8kg;
b) 1800g.
Solution for Exercise on page 48 Mathematics textbook Grade 5, Focus - Concise
Exercise 1 on page 48 Mathematics textbook Grade 5, focus practice
Exercise 2 on page 48 Mathematics textbook Grade 5, focus practice
Exercise 3 on page 48 Mathematics textbook Grade 5, focus practice
Exercise 4 on page 48 Mathematics textbook Grade 5, focus practice
Exercise 5 on page 48 Mathematics textbook Grade 5, focus practice
Above are suggestions for Solving exercises on page 48 Mathematics textbook Grade 5 with detailed instructions. Prepare for the content of the Focus Practice on pages 48, 49 of Mathematics textbook Grade 5 through the section Solving exercises on pages 48, 49 Mathematics textbook Grade 5 and adding two decimal numbers through the section Solving exercises on page 50 Mathematics textbook Grade 5 to improve your understanding of Mathematics Grade 5.
