Math 1 Lesson: Smaller. Sign

### 1.1. Knowledge to remember

Know how to compare numbers, use the word “less than” and the sign “<" to compare numbers.

### 1.2. Smaller math forms. Sign <

**Form 1:** Fill in the blanks with appropriate marks

– Count the quantities of each side.

– Match one to one and compare.

– Use the appropriate mark to fill in the blanks.

**Form 2:** Sort the numbers in ascending or descending order.

Remember the order of the numbers you just learned 1, 2, 3, 4, 5 and vice versa.

**Form 3: **Add or subtract to get two equal quantities.

– Count the number of each quantity.

– Match one to one to determine whether the quantity is redundant or lacking.

– The quantity to be added or subtracted is the number of missing or excess items found in the step.

### 1.3. Solving Textbook Exercises

**Lesson 1 page 17**

Write the < . sign

**Solution guide:**

**Lesson 2 page 17**

Write (in the form):

__Solution guide:__

**Lesson 3 page 17**

Write (in the form):

__Solution guide:__

**Lesson 4 page 17**

Put < in the empty box:

__Solution guide:__

**Lesson 5 page 17**

Match the blank cells with the appropriate number (according to the pattern):

__Solution guide:__

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