MATH 4 Quarter 2 Week2 PowerPoint. .pptx

Week 2

1. MATH 4 Problem Solving on Multiplication QUARTER 2 WEEK 2 DAY 1

2. Game: Giant Step Activate

3. Aims What do you call a natural calamity brought about by strong winds with heavy rains that may cause flood, landslide and destruction of structures? Write on the line the letter corresponding to the quotient to decode the word. 1) 25 ÷ 5 = ____ N 2) 9 ÷ 3 = ____ T 3) 20 ÷ 2 = ____ O 4) 16 ÷ 4 = ____ H 5) 7 ÷ 1 = ____ Y 6) 18 ÷ 9 = ____ P 7) 4 ÷ 4 = ____ O

4. Aims Have you ever experienced this kind of calamity?

5. Analyze Read and solve. Sarah saves a portion of her daily allowance. She saves l5 pesos every day for Christmas. • How much will she save in 40 days? • How will you get the total savings? • From the responses, which will give you the answer easily? Why?

6. Analyze U P A C or Think – Plan – Solve – Look Back 1st Step – Understand the Problem (Think) Identify what are given and what is asked. 2nd Step– Devise a Plan (Plan) Choose an appropriate strategy in solving the problem.

7. Analyze 3rd Step– Answer or Carry Out the Plan (Solve) After identifying a strategy to use, solve and answer the problem. 4th Step– Check (Look Back) Check your answer if it is correct.

8. A nalyze Another Example: After the typhoon, 1 200 people were brought to an evacuation center. The local government provided 3 meals a day for each evacuee for 12 days. How many meals did the local government provide in all?

9. Activity 1 Solve on your own. Follow the steps in problem solving. How many legs are there in 6 cows and 4 chickens? In a cheer dance competition, the required number of cheer dancers is 25 and the required number of spotters is 8. There were 12 participating teams. Altogether, how many participants joined the competition?

10. Analyze 3) A florist buys 20 bundles of roses to be used for wedding decorations. Each bundle has 48 red and white roses. In each bundle there are 30 red roses and the rest are white. How many white roses are there in all?

11. Activity 1 4) A two-day musical event sold 1,000 tickets on the first day and 935 tickets on the second day. If each ticket costs 700 pesos, how much does the musical event earn from the ticket sales?

12. Activity 2 Read, understand, and solve. Joseph bought 50 boxes of face masks. Each box contains 25 pieces of face shield. He donated 200 pieces to his relatives and friends. How many face masks were left for Joseph? 1. What is asked in the problem?

13. Activity 2 2. What is the hidden information? 3. What are the given facts? 4. What are the operations to be used? 5. What is the number sentence? 6. What is the final answer?

14. Activity 3 Group Activity: Solve the problem. Lito counted 874 pieces of 5-peso coins and 522 pieces of 10-peso coins. How much money does Lito have? Group 1 – Acting out Group 2 – Answer the AGON (Asked, Given, Operation, Number Sentence) Group 3 – Show solution and answer

15. Abstraction How do we solve multi-step problems involving multiplication?

16. Assessment Choose the letter of the correct answer. 1. Bino and his twin sister, Vina, went to a beach to gather some shells for their school project. Bino has 3 bags with 30 shells each and Vina has 2 bags with 25 shells each. How many shells do they have in all? A. 125 shells B. 140 shells C. 165 shells D. 110 shells

17. Assessment 2. Mr. Dechavez has pigs and ducks in his farm. He counted 5 heads and 16 feet. How many pigs are there? How many ducks are there? A. 2 pigs and 3 ducks B. 1 pig and 4 ducks C. 3 pigs and 2 ducks D. 4 pigs and 1 duck

18. Assessment 3. The Grade 4 pupils of Maligaya Elementary School went on a field trip. Six buses were filled with 46 pupils each. However, 18 pupils traveled in cars. How many pupils in all joined the field trip? A. 249 pupils B. 284 pupils C. 276 pupils D. 294 pupils

19. MATH 4 Problem Solving on Multiplication QUARTER 2 WEEK 2 DAY 2

20. Use flashcards of multiplication or Window Drill Cards (M1) Activate

21. Aims Do you have your savings? Why do we need to save money?

22. Analyze Read and analyze the problem. Look at the steps on how to solve this problem. Arlene has 4 PhP500 bills. Her mother gave her 3 PhP200 bills. How much money did she have in all? (Act out)

23. Analyze Show play money. Let them give the total amount.

24. Analyze Solve Step 1: 5 0 0 x 4 2 0 0 0 Step 2: 2 0 0 x 3 6 0 0

25. Analyze Step 3: 2 0 0 0 + 6 0 0 2 6 0 0 Arlene has PhP2 600 in all.

26. Activity Solve the problem below by answering the following questions. A. Aldrin has 8 boxes of crayons. Each box contains 24 crayons. If he gave 26 crayons to his friend, how many crayons would be left? 1. What is asked in the problem? 2. What is the hidden information? 3. What are the given facts? 4. What are the operations to be used? 5. What is the number sentence? 6. What is the final answer?

27. Activity 1 B. Ruben just arrived from abroad. He brought with him 4 boxes of assorted chocolates and candies with different weights for his friend and family. What is the average weight of the 4 boxes if their weights are 18kg, 9kg, 13kg, and 16 kg? 1. What is asked in the problem? 2. What are the given facts? 3. What is the operation to be used? 4. What is the number sentence? 5. Solve

28. Activity 2 Solve the problem below. Show your solutions and state the final answer. There are 53 electric posts along a straight highway. The first post is in the town of Mabini and the last post is in the town of Matiwasay. If each post is 50 meters away from the next, how far are the 2 towns from each other?

29. Activity 3 Read and understand the problem, then answer the questions below. Andrea does 120 sit-ups a day for 5 days, while Allan does 128 sit-ups a day for 4 days. Who has more sit-ups? What is asked? What are the given facts? What is the operation to be used? What is the number sentence? What is the answer?

30. Abstraction How do we solve multi-step problems involving multiplication? What words imply multiplication?

31. Assessment Read, analyze and answer the following problems. Choose the letter of the correct answer. 1. Joy is going to buy food for a class reunion. There are 45 guests, and each guest will eat 250 grams of chicken. If there are already 8 750 grams of chicken on the table. How many more grams of chicken should she buy? A. 2000 B. 2500 C. 11, 250 D. 1250

32. Assessment 2. A long-distance telephone call costs Php21 for the first 3 minutes, plus P7 for each additional minute. What is the cost of a 10-minute call? A. PhP49 B. PhP 53 C. PhP102 D. PhP70

33. Assessment 3. A new building has 4 455 bricks when finished. If the builder allows 120 extra bricks for breakage, how many bricks will he need to build 7 buildings? A. 2000 B. 2500 C. 11, 250 D. 32 025

34. Assessment 4. Rose can finish 18 pieces of embroidery in 4 days. Andrea can embroider 22 pieces in 2 days. How many more pieces of embroidery can Andrea make than Rose in 4 days? A. 72 B. 44 C. 88 D. 26

35. Assessment 5. Nelson can plant 143 pechay seedlings in 8 plots in a day. Alex can plant 96 pechay seedlings in 13 plots in a day. How many more can Alex plant than Nelson? A. 1144 B. 1248 C. 104 D. 140

36. MATH 4 Dividing Whole Numbers QUARTER 2 WEEK 2 DAY 3

37. Give the quotient as fast as you can. Do it in form of contest. Activate

38. Aims Complete the number wheel.

39. Analyze Solve. Divide 235 ÷ 5 Recall the parts of a division sentence.

40. Analyze Use Pictorial Representation

41. Analyze Using DMSB (Divide-Multiply-Subtract-Bring Down)

42. Analyze

43. Activity 1 Find the quotient of the following numbers using the corresponding methods a) 664 ÷ 6 (pictorial) b) 8,480 ÷ 4 (long division) c) 704 ÷ 7 (long division) d) 8,624 ÷ 2 (long division

44. Activity 1 Find the quotient of the following numbers using the suggested method. a) 984 ÷ 7 (pictorial) b) 2,118 ÷ 4 (long division) c) 580 ÷ 9 (long division) d) 8,319 ÷ 6 (long division)

45. Activity 3 Find the quotient. Write the solution and answer on your answer sheet. 1) 165 ÷ 5 2) 763 ÷ 7 3) 6 426 ÷ 6 4) 8 199 ÷ 9 5) 3 396 ÷ 12

46. Abstraction How do we divide numbers? What words imply division?

47. Assessment Answer the following. a. Find the quotient by division without regrouping: 1. 632 ÷ 3 2. 4,082 ÷ 2 3. 8 420 ÷ 4 b. Find the quotient by division with regrouping: 1. 5,824 ÷ 8 2. 467 ÷ 5

48. MATH 4 Dividing Whole Numbers QUARTER 2 WEEK 2 DAY 4

49. A ctivate Use flashcards of division or Window Drill Cards (D1)

50. Aims Find the missing value to complete the table below.

51. Analyze Read, understand, and solve. The Municipal Vice Mayor celebrated his 50th birthday. He invited his 2684 friends and family. If he was able to print 22 invitation cards per hour, how many hours did he spend printing the invitation cards.

52. Analyze To solve for the answer, follow these steps:

53. Analyze He spent 122 hours printing the invitation cards.

54. Activity 1 Find the quotient of each of the following to solve the puzzle. Do not leave any box blank.

55. Activity 2 Solve for the quotient in each division sentence in Column A. Match the quotient of Column A with Column B. Write the corresponding letters of the quotients in the box below to decode the missing word. What am I?

56. Activity 2

57. Abstraction How do we divide numbers? What words imply division?

58. Assessment A. Divide the following: 1. 845 ÷ 5 2. 4 350 ÷ 25 3. 297 ÷ 3 4. 7 645 ÷ 20 5. 4 563 ÷ 5

59. Assessment B. Divide the following: 1. 3 249 ÷ 18 2. 5 354 ÷ 12 3. 5 789 ÷ 35 4. 6 180 ÷ 8 5. 2 800 ÷ 20