Relate Fractions, Decimals, and Percentages
Name Period
Objectives / Objetivos
Content Objective: I can write equivalent fractions, decimals, and percents for the same value.
Language Objective: I can explain my conversions using the words percent, decimal, equivalent, and benchmark.
Key Idea / Idea clave
Fraction, Decimal & Percent Equivalence. 1. Percent to Decimal: Divide by 100 (move decimal point 2 places left). 2. Decimal to Percent: Multiply by 100 (move decimal point 2 places right). 3. Fraction to Percent: Divide numerator by denominator, then convert decimal to percent
I Notice / Observo
- What are three different ways to write the same number?
- If a player scored 3/4 of the points, what percent is that?
I Wonder / Me pregunto
- Are some fractions easier to convert than others?
Vocabulary / Vocabulario
| Term / Término | Definition / Definición |
|---|---|
| Fractions, Decimals, and Percents Fracciones, decimales y porcentajes | Three equivalent ways to name the same part of a whole. Tres maneras equivalentes de nombrar la misma parte de un todo. |
| Percent Porcentaje | A way to compare a number to 100, shown with the % sign. Una manera de comparar un número con 100, con el signo %. |
| Decimal Decimal | A number with a dot, like 0.5, that shows a part less than one. Un número con un punto, como 0.5, que muestra una parte menor que uno. |
| Equivalent Equivalente | Having the same value, just written a different way. Tener el mismo valor, escrito de otra forma. |
| Benchmark Referencia | A familiar number you use to guess, like 50% or 1/2. Un número conocido que usas para estimar, como 50% o 1/2. |
| Discount Descuento | Money taken off the first price to make it cheaper. Dinero que se quita del precio original para que sea más barato. |
Practice Preview / Vista previa de práctica
Read each task. Show your work in the spaces provided and explain how you know.
1. Sort these values — which are greater than 50% and which are less than 50%?
Write each item in its correct group.
2. Place each value on the number line: A = 3/8, B = 0.6, C = 85%
Mark and label: A: 3/8; B; C: 85%
3. A game shows your score as 7/8 complete. What percent is that?
- A 75%
- B 78%
- C 87.5%
- D 88%
Answer:
4. Find the Conversion Error
Which step has the mistake, and what should it be?
Reflection / Reflexión
One thing I learned today / Una cosa que aprendí hoy: