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### Percentages

Subject taught
- Math

Type of Product
- Exercises
- Online module
- Slides

Language Skills Developed
- Listening
- Writing

Transferable/Scientific Skills Developed
Student will develop self-motivation, analytical skills, problem-solving skills.

Description
General aims:
Student will have basic knowledge about percentages and will be able to solve problems involving the calculation of percentages. For example, of measures, and such as 15% of 300. One will know basic vocabulary in English connected with percentages. Student will develop positive learning habits such as organisational and problem-solving skills.

Linguistic aims:
- to read English with ease
- to understand content
- to communicate learning experience
- to learn new vocabulary
- to master tools for gathering information
- to express understanding and experiences
- to enable students to understand topic correctly
- to translate words connected with percentages in English into the mother tongue using one’s own words.

Subject specific aims:
- student knows the definition of percent
- student is able to find 50%, 10%, 25%, 33?% and other simple percentages of quantities
- student is able to find a value after a percentage change, using decimal multipliers
- student is able to find what percentage one amount is of another.
- student is able to find a value before a percentage change
- student is able to deal with compound changes
- student gains confidence in their math skills
- student is better prepared for standardized testing.

Target group age:
Students from primary school (13-15 years old), before using the resource they need to know and understand the definition of percent, be able to do basic operation with fractions and decimals. What is more, this slide can be used by anyone who wants to do mathematical operations with percents, also by grade teachers who wants to teach percentage using English.

Level of competence in English (CEFR)
B1/B1+

Time required to use the resource with the students:
The teacher can use the resource with the students for many lessons depends on curriculum.

How to use it
This resource assumes that students have a basic knowledge of what a percentage is and fraction/percentage/decimal correspondences. Before using the slides the teacher should ask the student in English:
“What is the percent?”, “Do you know the symbol of the percent?”
“How to change fraction into decimal?”, “How to change percent into fraction?”, , “How to change percent into decimal?” “How to calculate fraction of quantity?”,“How to calculate 50% of quantity?”
The teacher highlights some new words for students in English and students should find the translation these words into the mother tongue and write down the new words in English in the notebook with the right translation in their own words.
Teacher can use slides during one’s lesson as a lecture but it can be also a homework for a student to practice a material at home.
There are 43 slides with theory and exercises.
Possible difficulties for the students
Students who have poor knowledge of English can have problems with understanding the content. Students who has problems doing basic operations with decimals can face difficulties in solving math problems with percentages.