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Solution to Exercise 1 on Page 166 of Math Grade 3 Textbook
Exercise:
There are 40 kilograms of sugar evenly distributed in 8 bags. How many bags contain 15 kilograms of sugar?
Answer:
The number of kilograms of sugar in each bag is:
40 : 8 = 5 (kg)
The number of bags needed to contain all 15 kilograms of sugar is:
15 : 5 = 3 (bags)
Answer: 3 bags.
Solution to exercise 2 on page 166 of Math textbook grade 3
Problem:
If every 4 shirts require 24 buttons, then how many shirts are needed for 42 buttons?
Solution:
The number of buttons for each type of shirt is:
24 : 4 = 6 (buttons)
The number of shirts of that type required for 42 buttons is :
42 : 6 = 7 (shirts)
Answer: 7 shirts.
Solution to exercise 3 on page 166 of Math textbook grade 3
Problem:
Which method is correct, which method is wrong?
a) 24 : 6 : 2 = 4 : 2 = 2
b) 24 : 6 : 2 = 24 : 3 = 8
c) 18 : 3 x 2 = 18 : 6 = 3
d) 18 : 3 x 2 = 6 x 2 = 12.
Answer:
a) Correct.
b) Incorrect.
c) Incorrect.
d) Correct.
In the Mathematics 3 curriculum, solving exercises on pages 37 and 38 of the Math 3 textbook is a crucial topic that students should focus on and improve to enhance their Math 3 solving skills.
Detailed instructions for solving exercises on page 54 of the Math 3 textbook have been provided for students to refer to and prepare, aiming to better review and practice Math 3.
Following this lesson, the next topic will be solving exercises on page 167 of the Math 3 textbook, Practice, and exercises on pages 167 and 168 of the Math 3 textbook, Practice, within the Math 3 curriculum.
