Session 14: Word problems (+,-, ×, ÷)

Introduction Activity (20 minutes):

Have the children act out the play 

Have the children answer all the questions in red.

Title: "Shopping at Maya's Veggie Store"

Characters:

• Shopkeeper (Maya)
• Customer 1 (Amit)
• Customer 2 (Lila)

[Scene: Maya is standing behind her vegetable stall with fake or real veggies.]

Maya (smiling): Welcome! Fresh vegetables today!

1 kg of tomatoes is 20 rupees. 1 kg of carrots is 30 rupees.

[Amit walks in.]

Amit: Hi Maya! I want 2 kg of tomatoes and 1 kg of carrots, please.

Maya: That’s 2 kg of tomatoes = 2 × 20 = 40 rupees.

1 kg of carrots = 30 rupees.

Total = 40 + 30 = 70 rupees.

[Lila enters.]

Lila: Hello! I’ll take 1 kg of tomatoes and 2 kg of carrots

Maya: 1 kg of tomatoes = 20 rupees, 2 kg of carrots = 2 × 30 = 60 rupees.

Total = 20 + 60 = 80 rupees.

[Maya looks at the audience.]

Maya: Hmm... I wonder how much money I made in total today.

Can you add it up?

Question: How much money did Maya earn from Amit and Lila together?
Answer: 70 + 80 = 150 Rupees

Main Activity (50 minutes):

Word problems (25 minutes)

Addition

Birthday Party: Mia is planning her birthday party. She started with 48 balloons, but her friend Emma brought 37 more balloons. Then, her cousin gave her 25 more balloons.

Question: How many balloons does Mia have now for her birthday party?
Solution: 48 + 37 + 25 = 110 balloons
Answer: Mia has 110 balloons for her birthday party.

Subtraction 

1. Question: Lila and her friends were given 20 markers to share in their art class. After using 7 markers, how many markers are left for the rest of the class to use?
   Solution: 20 - 7 = 13
   Answer: There are 13 markers left for the rest of the class.
   
   
2. Question: The train departed at 2:45 PM and reached its destination at 5:10 PM. How long was the train ride?
   Solution: 5:10 PM - 2:45 PM = 2 hours 25 minutes.

Multiplication

Question: There are 6 baskets, and each basket contains 8 apples. How many apples are there in total?
Solution: 6 × 8 = 48 apples.

Division 

Question: A group of 120 students are going on a field trip. If the students are divided equally into 8 buses, how many students will be on each bus?
Solution: To find how many students are on each bus, divide the total number of students by the number of buses: 120÷8 = 15
Answer: So, there will be 15 students on each bus.

 

Math Relay Race (25 minutes)

Objective: Divide the group into teams. Each team has to solve a math problem before passing the baton to the next teammate. The first team to answer all questions correctly and finish the relay wins.

Operations: Addition, Subtraction, Multiplication, Division.

How to Play: Set up stations with different math problems for each team. Each member of the team solves one problem before passing the baton to the next. The problems can be a mix of operations, and the team must work together to complete them as quickly as possible.

Problem	Question
258 + 479
754 - 689
36 x 17
144 ÷ 12
592 + 308
960 - 487
56 x 23
1215 ÷ 15
753 + 645
812 - 295
84 x 56
560 ÷ 28

Review Questions (10 minutes):

1. How do you decide which operation to use in a word problem?
2. Which type of word problem do you find easiest? Which is hardest? Why?
3. What key words help you know when to add, subtract, multiply, or divide?
4. How can drawing or using objects help solve word problems?

Follow-up Task (10 minutes):

1. Sarah has 35 apples. She buys 28 more. How many apples does she have now? (Addition)
2. Tom had 82 pencils. He gave 19 to his friend. How many does he have left? (Subtraction)
3. A box contains 6 packs of crayons. Each pack has 12 crayons. How many crayons are there in total? (Multiplication)
4. Emma has 72 candies. She shares them equally among 9 friends. How many candies does each friend get? (Division)

Expected Learning Outcome:

Knowledge building:

• Comprehension
• Problem-solving skills

Skill building:

• Critical thinking
• Real-world application