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Guidance for Solving Exercise 3 Pages 61-62 Mathematics Grade 5 Textbook
Problem Statement:
Buying 5kg of sugar costs 38500 dong. How much less money do you have to pay for 3.5kg of the same type of sugar?
Solution Method:
- Step 1: Calculate the cost of 1 kg of sugar by dividing the total cost of buying 5 kg of sugar by 5.
- Step 2: Calculate the cost of buying 3.5 kg of sugar by multiplying the cost of 1 kg of sugar by 3.5.
- Step 3: To find out how much less money is required to buy 3.5 kg of the same type of sugar, subtract the cost of buying 3.5 kg of sugar from the cost of buying 5 kg of sugar.
Answer:
Buying 1 kg of sugar costs:
38500 : 5 = 7700 (dong)
Buying 3.5 kg of sugar costs:
7700 x 3.5 = 26950 (dong)
Buying 3.5 kg of the same type of sugar costs less by:
38500 − 26950 = 11550 (dong)
Final Answer: 11550 dong.
This is the solution guide for Exercise 3 on pages 61 and 62 of Mathematics Grade 5 textbook. Additionally, there are 3 other exercises: Solving Exercise 1 on Pages 61 and 62 of Mathematics Grade 5 textbook, Solving Exercise 2 on Pages 61 and 62 of Mathematics Grade 5 textbook, and Solving Exercise 4 on Pages 61 and 62 of Mathematics Grade 5 textbook. Let's explore the solution guide for solving exercises on pages 61 and 62 Mathematics Grade 5 textbook to excel in Grade 5 Mathematics.
