# Descending Order of Number 10 – 1 and 20 – 11 | Meaning of Descending Order and How it relates to Number Arrangements Nursery 2 (Age 4) – Number Work

### NUMBER WORK

MATHEMATICS

THIRD TERM

WEEK 9

NURSERY 2 (AGE 4)

THEME – NUMBER WORK

PREVIOUS LESSON – Ascending Order of Number 1 – 10 and 11 – 20 | Meaning of Ascending Order and How it relates to Number Arrangements Nursery 2 (Age 4) – Number Work

### LEARNING AREA

1. Introductory Activities

2. Descending Order of Number 10 – 1

4. Meaning of Descending Order and How it relates to Number Arrangements

5. Ascending Order of Number 20 – 11

6. Lesson Evaluation and Weekly Assessment (Test)

### PERFORMANCE OBJECTIVES

By the end of the lesson, most of the pupils should have attained the following objectives (cognitive, affective and psychomotor) and should be able to –

1. explain the meaning of ascending numbers.

2. arrange numbers up to 20 in descending order.

### ENTRY BEHAVIOUR

The pupils can rearrange numbers in order.

### INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of:

1. Toy numbers 1 – 20.

2. Flash cards number 1 – 20.

### METHOD OF TEACHING

Choose a suitable and appropriate methods for the lessons.

Note – Irrespective of choosing methods of teaching, always introduce an activities that will arouse pupil’s interest or lead them to the lessons.

### REFERENCE MATERIALS

1. Scheme of Work

2. 9 – Years Basic Education Curriculum

3. Course Book

4. All Relevant Material

5. Online Information

### LESSON 1 – INTRODUCTORY ACTIVITIES

Teacher’s Activities – Flash card numbers from 1 – 20 for the children to read and write as you flash each card number.

# 16  17  18  19  20

Pupil’s Activities – Read and write number 1 – 2.

Teacher’s remark – One clap cheer for yourself. Comment and ask the children to identify each of this number – 5 1 3 2 4 6 10 8 7 9 and rearrange. Then, discuss explain the meaning of descending order of numbers.

# 6   10   8   7   9

Descending order –

# 10   9   8   7   6

### MEANING OF DESCENDING ORDER NUMBERS

Descending order is the arrangement of numbers or other objects from largest to smallest, heaviest to lightest, thickest to thickest, etc.

### HOW IT RELATES TO NUMBER ARRANGEMENTS

When it comes to number, descending order means to arrange numbers from the largest number to the smallest number.

Rearrange:

# 9   10   6   8   7

### LESSON 2 – ASCENDING ORDER OF NUMBER 20 – 11

Teacher’s Activities – Review descending order of number 10 – 1 with the children.

Pupil’s Activities – Participate actively in the lesson review.

Teacher’s remark – Ascending order of numbers means to arrange numbers from the smallest to the largest. Lead the children to arrange in ascending order – 15  11  13  12  14  16  20  18  17  19 by reading 20 – 11.

# 16  20  18  17  19

Descending order –

# 20  19  18  17  16

### LESSON 3 – ASCENDING ORDER OF NUMBER 20 – 1

Engage the children to arrange the numbers below in ascending order –

# 16  20  18  17  19

Descending order –

# 10  9  8  7  6  5  4  3  2  1

### PRESENTATION

To deliver the lesson, the teacher adopts the following steps:

1. To introduce the lesson, the teacher revises the previous lesson. Based on this, he/she asks the pupils some questions;

2. Presents number cards of 5 – 1 and 10 – 6, guide the children to arrange in descending order.

Pupil’s Activities – Arrange in descending order 5 – 1 and 10 – 6.

3. Discuss the meaning of descending order and how it relates to the numbers.

Pupil’s Activities – Listen and participate in the discussion.

4. Gives simple tasks on arranging 20 – 1 in descending order.

Pupil’s Activities – Perform the task given by the teacher.

### CONCLUSION

To conclude the lesson for the week, the teacher revises the entire lesson and links it to the following week’s lesson.

### LESSON EVALUATION

1. explain the meaning of descending numbers.

2. arrange numbers up to 20 in descending order.

### WEEKLY ASSESSMENT (TEST)

1. ___________ order is the arrangement of numbers or other objects from largest to smallest.

A. Descending

B. Ascending

2. Arrange in descending order –

# 4   3   5   2   1   9   10   6   8   7

3. Arrange in descending order –

# 15  11  13  12  14  16  20  18  17  19

4. Arrange in descending order –

5. Write 20 – 1.