Math problems with words

### 1.1. Knowledge to remember

– Identify word problems with given numbers (known things) and numbers to find (unknown things);

– Understand math for what? What to ask?

– Know how to solve problems including: Answers, calculations and answers.

__ Problem:__ An’s family has 5 chickens, her mother buys 4 more chickens. How many chickens does An have in all?

**Summary**

Yes: 5 chickens

Extra: 4 chickens

Got it all:…chicken?

**Solution**

House An has all are:

5 = 4 = 9 (chicken)

Answer: 9 chickens.

### 1.2. Math Types of Maths with Text

**Form 1: Complete math problems based on pictures**

Based on the given picture, count the number and fill in the dots to complete the math problem.

**Form 2: Summary of the problem**

– From the math problem, you determine the known data and requirements of the problem.

Write a simple summary of the data you have just found.

**Form 3: Solve word problems**

– Read and analyze math problems, identify known values, problem questions and then summarize the problem.

– Find a solution to the problem: Based on the keywords in the problem such as “increase”, “decrease”, “more”, “less than”, “all”, “remaining”….to determine determine the appropriate math.

– Present the solution of the problem: solution, calculation, answer.

– Check the solution, the result just found.

### 1.3. Solving Textbook Exercises

**Lesson 1 page 115**

Write the correct number in the dot to get the problem

Problem: There are … you, there are more … you are going. How many of you are there in all?

**Solution method**

– Count the number of people there are.

– Count the number of people coming.

Fill in the blanks with numbers to get the math problem.

__Solution guide__

There is 1 friend, there are 3 more friends coming.

**Lesson 2 page 115**

Write the correct number in the dot to get the problem:

__Solution method__

– Count the number of rabbits there are.

– Count the number of rabbits running.

Fill in the blanks with numbers to get the math problem.

__Solution guide__

There are 5 rabbits, there are 4 more rabbits running.

**Lesson 3 page 116**

Continue writing questions to get the problem:

__Solution method__

Based on the pictures, write appropriate questions.

__Solution guide__

There are 1 mother hen and 7 chicks. How many chickens are there in all?

**Lesson 4 page 116**

Look at the picture, write in the dot to get the problem:

__Solution method__

– Count the number of birds on the branch and the number of birds that fly in. Fill in the correct number in the dots.

– Write questions that match the pictures.

**Solution guide**

There were 4 birds perched on the branch, and 2 more birds came flying. How many birds are there on the branch altogether?

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