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Decimal Numbers and Percentages – Foundational Math
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Decimal Numbers and Percentages – Foundational Math

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Description
 

WATCH THE VIDEO OF THE COMPLETE ACTIVITY

⚠️ This adapted Mathematics activity was designed to teach Decimal Numbers and Percentages to students who are in the process of learning to read and write, using everyday examples, large illustrations, and clear instructions.

The activity connects decimal numbers, monetary values, and percentages to concrete situations, such as coins, notebook prices, and figures divided into equal parts, making mathematical concepts easier to understand.

Number of questions in the activity:

4 adapted questions + complete answer key, distributed across 2 activity pages, including an introductory visual summary.

The sequence begins by recognizing monetary values, progresses to comparing prices, and concludes with identifying and representing percentages through illustrations.

Target audience:

Especially suitable for students who are in the process of learning to read and write, and can be used in Elementary School, Middle School, and High School, depending on the student's curricular adaptation needs.

It may be particularly helpful for students with:

  • Mild to moderate Intellectual Disabilities who need concrete examples and visual support.

  • Dyscalculia, involving difficulties understanding quantities and comparing numerical values.

  • Significant reading and writing difficulties who benefit from activities requiring less written production.

The material can also support Mathematics and Specialized Educational Support (AEE) teachers.

Format:

Ready-to-print PDF containing:

🔹 4 adapted questions and a complete answer key; 🔹 2 activity pages, including a visual summary; 🔹 illustrated examples featuring pizzas, coins, and prices; 🔹 multiple-choice, comparison, and coloring activities; 🔹 short instructions and answers selected by marking; 🔹 versions with standard lettering and UPPERCASE lettering; 🔹 black-and-white version; 🔹 BNCC-related skills.

⏱️ Save approximately 4 hours and 25 minutes of preparation time! The material is already adapted, illustrated, formatted, and accompanied by a complete answer key, reducing the time needed to create visual resources and organize classroom activities.

Content covered:

  1. Decimal numbers: Recognizing values written using decimal commas.

  2. Monetary system: Identifying a Brazilian 50-cent coin (R$ 0.50).

  3. Price comparison: Recognizing the lower price between R$ 6.50 and R$ 8.50.

  4. Percentages: Identifying 100% as one complete whole.

  5. Representing 25%: Coloring one out of four equal parts.

The introductory summary uses pizza illustrations to connect 1.0 to 100%, 0.5 to 50%, and 0.25 to 25%, providing a visual reference that students can consult while completing the questions.

Important information for teachers:

The activity follows a progressive conceptual sequence, beginning with familiar monetary values and gradually introducing representations of parts of a whole.

In the first question, students observe a Brazilian 50-cent coin and identify its value from four answer choices, developing money recognition and decimal number reading skills.

In the second question, students compare two notebooks with different prices and select the lower value, practicing numerical comparison in an everyday situation.

In the third question, students observe a bar divided into four equal parts, all of which are colored, and recognize that the figure represents 100% of the whole.

In the fourth question, students color one of the four sections of a bar to represent 25%, connecting percentages, fractions, and visual representations.

The illustrated summary provided before the questions allows students to revisit the concepts whenever necessary, reducing reliance on memorization and supporting teacher-guided learning.

Key features:

✅ Introductory visual summary: Pizza illustrations connecting decimal numbers and percentages.

✅ Contextualized Mathematics: Coins and prices connected to students' everyday experiences.

✅ Progressive learning sequence: From recognizing monetary values to representing percentages.

✅ Minimal writing requirements: Students respond by selecting answers and coloring.

✅ Accessibility: Instructions in UPPERCASE, large illustrations, and a black-and-white version.

✅ Practicality: Professionally formatted material with BNCC-related skills and a complete answer key.