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1. Solve Exercise 1 on page 50 Math Grade 5
Problem:
Calculate:
58.2 + 24.3 75.8 + 249.19
19.36 + 3.08 0.995 + 0.868
Solution Method:
Method for adding two decimal numbers:
- Write the first number on the top line and the second number on the bottom line, aligning the digits in the same column, including the decimal point
- Place the addition sign in the gap between the two numbers on the left side
- Place a horizontal line below the second number, leaving 1 box
- Add as you would with natural numbers, from right to left
- Place the decimal point in the sum directly below the decimal points of the given addends.
Answer:
2. Solve Exercise 2 on page 50 Math Grade 5
Problem:
Arrange then calculate:
a) 7.8 + 9.6; b) 34.82 + 9.75 c) 57.648 + 35.37.
Solution Method:
Refer to the detailed instructions in the section Solve Exercise 1 on page 50 Math Grade 5.
Answer:
Exercise 3: Find the weight of Tiến
Nam weighs 32.6 kilograms. Tiến weighs 4.8 kilograms more than Nam. How many kilograms does Tiến weigh?
Problem:
Nam weighs 32.6 kg. Tiến weighs 4.8 kg more than Nam. Find Tiến's weight in kilograms.
Solution:
- Given:
+ Nam's weight: 32.6 kg
+ Tiến weighs more than Nam: 4.8 kg
- Required: Tiến's weight.
- Method: To find Tiến's weight, add Nam's weight to the extra weight Tiến has over Nam.
Answer:
Tiến's weight in kilograms is:
32.6 + 4.8 = 37.4(kg)
Answer: 37.4kg
Here's the solution for Exercise 3 in page 50 of Math textbook for 5th grade. Students can review the solutions for exercises in pages 46, 47 or preview solutions for exercises in pages 51, 52 to improve their understanding of Math for 5th grade.
In addition to the content already studied, students can prepare and explore the solutions for exercises in page 43 of Math textbook for 5th grade to grasp the concepts better in the Math curriculum for 5th grade.
