Importance Of Learning Materials

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Learning materials is a learning resource that is used in the learning process. According to Ibrahim (2003, p. 3), learning materials needed by the teacher to manage the learning process includes syllabus, lesson plan, students sheet activity, evaluation instrument or test, instructional media, and students ' book. Learning materials developed in this research include the lesson plan, students sheet activity, test, and instructional media.
Lesson plans
The Lesson plan is learning activities plan for one or more meetings. The Lesson plan was developed based on the syllabus to guide the students ' learning activities to achieve basic competency. There are thirteen components of lesson plan based on the regulation of minister education and …show more content…

176). Sheets are typically in the form of instructions and steps to complete a task. Student sheets activity contains a set of basic activities that must be performed by students to increase the understanding of the formation of basic capabilities corresponding indicators of achievement of learning outcomes that must be taken. In the development of these materials, Student sheets activity contain contextual problem-solving activities that assisted fraction card media to find the solution or other possible strategies.
Test
The Test is done to measure the standard to which learning outcomes desired behavior change in the learning objectives have been achieved by the students (Purwanto, 2009, p. 67). As a measure, the test must meet two requirements, namely the validity and reliability. Purwanto (2009, p. 114) describes the validity and reliability as follows. Validity; A test is considered valid if it measures what it is supposed to measure. There are two types of validity, content validity and construct validity. The Validity of the content is carried on testing the validity of its contents to ascertain whether the test item measures precisely the situation to be measured. Construct validity is testing the validity of which is done by looking at the suitability of the construction items are written with the criterion. Reliability; Reliability refers to the …show more content…

After connecting both fractions card, the next step is to compare the two parts of the connection card with one part-unit cards. After that, the students gave shading on the unit card that shows the sum of two fractions. The use of fraction card to add two fractions are shown in the following figure.

Addition of fractions using fraction card media

1/2 +
1/4

1/2 1/4

1/2 1/4
3/4

The picture above shows the addition using 1/4 and 1/2 fractional card. The red part is the sum of the two fractions. Students make a shading part on the card which is the sum of fractions. In addition, students are asked to write a form of addition on fractions using a formal notation.

The difference of fractions is determined by connecting both extend into the fraction card or put a card used for subtracting fractions over the deductible fraction card. Part of the card that looked represents the difference between the two fractions. Then the students leave the shades on the card that indicates the result of subtraction on fractions. Demonstration of subtraction on fraction can be seen in the image below.

Subtraction on fractions using fraction card media

1/2 -
1/4

1/2

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