Problem solving and revision (T2 W8)
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Problem solving is about finding answers to questions or challenges we face in mathematics. It involves thinking critically and using different strategies to arrive at a solution. Today, we will explore how to break down problems into smaller, manageable parts, and how to use visual models like drawings or number lines to help us understand the problems better.
Let's say we have 5 apples in one basket and 3 apples in another basket. How many apples do we have in total? To solve this, we can use a number line. Start at 5, then jump 3 more spaces to find the total. This gives us 8 apples. We can also draw two baskets and count the apples visually to confirm our answer.
Now, let's solve this problem together: There are 4 birds on a tree and 2 more birds join them. How many birds are there now? First, we can write down the numbers: 4 + 2. Let's count together using our fingers or draw the birds on the board. What is the total? Yes, it is 6 birds! Great job!
Now it's your turn! Here are some problems for you to solve on your own. Remember to show your working clearly. 1. If you have 7 candies and you eat 2, how many do you have left? 2. There are 3 ducks in a pond, and 5 more come. How many ducks are there in total? Write down your answers and be ready to share how you solved them!
Answer: 7
When you add 3 and 4 together, you get 7.
Answer: 7
10 minus 3 equals 7 apples remaining.
Answer: 10
Adding 5 and 5 gives you a total of 10.
Answer: 3
A triangle has three sides.
Answer: 6
8 minus 2 equals 6 balloons remaining.
Answer: 6
Adding 2 three times gives you 6.
Answer: 5
5 is greater than 3.
Answer: 6
10 minus 4 equals 6.