Solve Math 3 exercises on pages 98 and 99 of Cánh Diều book Volume 2
Solve exercises on pages 98 and 99 of Math 3 Workbook Volume 2, Cánh Diều book:
Probability of an Event Occurring
1. Exercise 1 Page 98 Math Grade 3
Problem: Examine a coin with two faces as follows:
Convention: The side with the letter N on the coin is the obverse side, and the side with the letter S is the reverse side.
b) Toss the coin in part a once. List the possibilities for the appearance of the coin's face.
Solution Guide: Observe the illustration, describe the possibilities of a coin when tossed.
Answer:
When tossing a coin once, the possibilities for the appearance of the coin's face are:
+ The coin's face may be the reverse side (S).
+ The coin's face may be the obverse side (N).
2. Exercise 2 Page 99 Math Grade 3
Problem: A box contains some green balls and some red balls. An blindfolded person, An, randomly picks a ball. What are the possible outcomes for the color of the ball drawn?
Solution Guide:
Observe the colors of the balls in the box, describe the possibilities when blindfolded person An randomly picks a ball.
Answer:
When An blindfoldedly picks a ball randomly, the possibilities are:
+ An may pick a green ball.
+ An may pick a red ball.
3. Exercise 3 Page 99 Math Grade 3
Problem: A closed box contains 3 cards with identical shapes, marked with the numbers 2, 7, 4. Khoa randomly draws one card. What are the possible outcomes for the number on the drawn card?
Solution Guide: Describe the possibilities when Khoa randomly draws a card.
Answer:
When Khoa randomly draws a card, the possible outcomes for the number on the drawn card are:
Khoa may draw a card with the number 2.
Khoa may draw a card with the number 7.
Khoa may draw a card with the number 4.
4. Exercise 4 Page 99 Math Grade 3
Game: 'Lucky Spin'
Problem: Binh spins a circular disk once. When the spin stops, the needle will point to a colored section on the disk. What are the possible outcomes for the color the needle points to when the disk stops?
Solution Guide: Observe the colored sections on the disk, describe the possibilities for the color the needle points to when the disk stops.
Answer:
When the disk stops, the possible outcomes are:
+ The needle may point to the red color.
+ The needle may point to the green color.
+ The needle may point to the yellow color.
We hope that when you refer to solving exercises on pages 98, 99 Math Grade 3 Workbook 2, the Kite book, you can visualize the solution method, solve the exercises easily, and grasp the effectiveness. Mytour also provides many helpful solutions, so follow along to study Math well.
