Class: Senior Secondary School 1 (SS1, SS 1, SSS1, SSS 1)
Term: 3rd Term
Week: 7
Age: 15 years
Duration: 45 minutes
Subject: Food and Nutrition
Curriculum Theme: Food and Nutrition
Previous Lesson: High and Low Extraction Rate Flour: Differences and Uses.
Topic: Legumes
Subject Matter: types of legumes, importance of legumes, nutritive value of legumes, identification of common legumes

Specific Objectives

By the end of the lesson, pupils should be able to:

Cognitive Domain:

Define legumes.
List different types of legumes.
State the nutritive value of legumes.
Explain the importance of legumes in the diet.

Affective Domain:

Appreciate the dietary benefits of consuming legumes.
Show interest in identifying various common legumes.

Psychomotor Domain:

Identify common legume samples when presented.
Distinguish between different types of legumes based on their appearance.

Participate actively in discussions about legumes.
Share knowledge about legumes with peers.

Reference Materials

The following resources were used in planning this lesson:

9 Years Basic Education Curriculum for Food and Nutrition.
State Unified Scheme of Work for Food and Nutrition SSS 1.
Food and Nutrition for Senior Secondary Schools by C.N. Okoro.

Instructional Materials

The teacher will teach this lesson with the aid of:

Samples of beans (e.g., brown beans, black-eyed peas)
Bambara nuts
Groundnuts
Soybeans
Cowpeas
Lentils

Rationale for the Lesson

This lesson helps pupils understand legumes as an important and affordable source of protein and other nutrients. Knowing about legumes enables pupils to make informed food choices for a balanced diet and better health.

Prerequisite/Previous Knowledge

Pupils have basic knowledge of food groups and the importance of a balanced diet.

Lesson Content/Board Summary

Legumes

Definition of Legumes

Legumes are plants in the family Fabaceae (or Leguminosae), which produce a pod containing seeds. The term “legume” can also refer to the edible seeds of these plants, which are often dried.

Types of Legumes

The following are common types of legumes:

Beans (e.g., kidney beans, black-eyed peas, brown beans, lima beans)
Peas (e.g., green peas, split peas)
Lentils (e.g., red lentils, green lentils)
Groundnuts (Peanuts)
Soybeans
Chickpeas (Garbanzo beans)
Bambara nuts
Cowpeas

Nutritive Value of Legumes

Legumes are highly nutritious and provide the following:

Protein: They are an excellent source of plant-based protein, especially important for vegetarians.
Dietary Fibre: High fibre content aids digestion and helps prevent constipation.
Complex Carbohydrates: Provide sustained energy.
Vitamins: Rich in B vitamins (e.g., folate, thiamine).
Minerals: Good sources of iron, zinc, magnesium, and potassium.
Low in Fat: Most legumes are naturally low in fat, with the exception of groundnuts and soybeans which are good sources of healthy fats.

Importance of Legumes

Legumes are important for several reasons:

They are an affordable source of protein, especially in developing countries.
They contribute to a balanced diet and help prevent malnutrition.
Their high fibre content helps in managing blood sugar levels and cholesterol.
They are versatile and can be used in various dishes, enhancing flavour and nutrition.
They contribute to soil fertility through nitrogen fixation.

Identification of Common Legumes

Common legumes can be identified by their distinct shapes, sizes, colours, and textures. For example, groundnuts have a characteristic shell, while beans come in various colours like black, brown, and white. Soybeans are small and roundish, often pale yellow. Bambara nuts are typically round and hard.

Teaching Methods/Instructional Techniques

Discussion, Lecture, Demonstration, Question and Answer, Visual Aids

Instructional Procedures

Step 1: Introduction

Time: 5 minutes
Teaching Skill: Set Induction
Teacher’s Activity: The teacher greets the pupils and asks them to mention some common food items they eat that are grown in pods or are small, hard seeds. The teacher then introduces the topic “Legumes” based on their responses.
Pupils’ Activity: Pupils respond by mentioning items like beans, groundnuts, peas. They listen attentively as the teacher introduces the topic.
Learning Point: Pupils are introduced to the lesson topic and connect it to their prior knowledge.

Step 2: Definition and Types of Legumes

Time: 10 minutes
Teaching Skill: Explanation/Demonstration
Teacher’s Activity: The teacher defines legumes and displays various samples of legumes (beans, groundnuts, soybeans, bambara nuts, cowpeas, etc.). The teacher guides pupils to identify and list the different types of legumes.
Pupils’ Activity: Pupils listen to the definition, observe the samples, and identify different types of legumes, mentioning their names.
Learning Point: Pupils learn the definition of legumes and identify various types.

Step 3: Nutritive Value of Legumes

Time: 10 minutes
Teaching Skill: Explanation/Discussion
Teacher’s Activity: The teacher explains the nutritive value of legumes, highlighting their rich content of protein, fibre, vitamins, and minerals. The teacher asks pupils to name specific nutrients found in legumes.
Pupils’ Activity: Pupils listen and take notes. They contribute to the discussion by mentioning nutrients and asking questions for clarity.
Learning Point: Pupils understand the nutritional benefits of consuming legumes.

Step 4: Importance of Legumes

Time: 7 minutes
Teaching Skill: Elucidation/Questioning
Teacher’s Activity: The teacher discusses the importance of legumes in the diet, stressing their affordability, role in preventing malnutrition, and contribution to soil fertility. The teacher encourages pupils to share ways legumes are used in their homes.
Pupils’ Activity: Pupils listen, take notes, and share examples of how legumes are prepared and consumed in their communities.
Learning Point: Pupils grasp the significance of legumes for health and economy.

Step 5: Evaluation/Review

Time: 5 minutes

Teaching Skill: Questioning/Assessment

Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

Define legumes.
List three types of legumes.
Mention two important nutrients found in legumes.
State two reasons why legumes are important in our diet.

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Pupils demonstrate understanding of the lesson.

Step 8: Conclusion

Time: 3 minutes
Teaching Skill: Summarization
Teacher’s Activity: The teacher summarizes the key points of the lesson, reinforcing the definition, types, nutritive value, and importance of legumes. The teacher assigns homework: “List five dishes prepared with legumes in your locality.”
Pupils’ Activity: Pupils listen to the summary and copy the homework.
Learning Point: The lesson is concluded, and pupils are given an activity to reinforce learning.

Lesson Keywords

Legumes – Plants that produce a pod containing seeds; the edible seeds themselves.
Protein – Essential nutrient for building and repairing body tissues, abundant in legumes.
Fibre – Indigestible part of plant food that aids digestion and bowel health.
Nutritive Value – The quality of food in terms of the nutrients it provides.
Pods – The elongated fruit of a legume, splitting along two seams to release seeds.

Differentiation

For pupils who grasp concepts quickly, the teacher can ask them to research other less common types of legumes or their role in sustainable agriculture. For pupils who need more support, the teacher can provide visual aids with labels for each legume and offer simplified explanations during discussions.

Note for teachers using this lesson plan

Ensure a variety of fresh or dried legume samples are available for pupils to see and touch. Encourage active participation and real-life examples from pupils’ experiences to make the lesson relatable. Emphasize the economic and health benefits of including legumes in daily meals.