Unit 5 · Standard 6.GR.1
🔑 Determine the Area of Triangles — Vocab Explorer
① Word Wall
Look at the picture, read the meaning, and tap 🔊 to hear each word.
ES Área de un triángulo
The space inside a triangle. A triangle is half of a rectangle with the same base and height, so A = ½ × b × h.
El espacio dentro de un triángulo. Un triángulo es la mitad de un rectángulo con la misma base y altura, por eso A = ½ × b × h.
ES Base
Any side of a triangle can be the base. Once you pick a base, the height must be measured perpendicular (at a 90° angle) to it.
Cualquier lado de un triángulo puede ser la base. Una vez que eliges la base, la altura debe medirse perpendicular (en un ángulo de 90°) a ella.
ES Altura
The straight-up distance from the base to the top corner.
La distancia recta desde la base hasta la esquina de arriba.
ES Área
How much space is inside a flat shape.
Cuánto espacio hay dentro de una figura plana.
ES Perpendicular
Two lines that meet to make a square corner (90 degrees).
Dos líneas que se unen formando una esquina recta (90 grados).
ES Figura compuesta
A shape made by putting two or more simple shapes together.
Una figura formada al juntar dos o más figuras simples.
ES Fórmula
A math rule written with symbols.
Una regla matemática escrita con símbolos.
ES Paralelas
Two lines or sides that stay the same distance apart and never meet.
Dos líneas o lados que se mantienen a la misma distancia y nunca se cruzan.
ES Sustituir
Put the numbers you know into a formula.
Poner los números que conoces en una fórmula.
② Match it
Tap a word, then tap its meaning.
③ Fill in the blank
Use the word bank to finish each sentence.
- 1The space inside a triangle, found with A = ½ × b × h, is the .
- 2The side of a triangle you measure the height from at a 90° angle is the .
- 3The perpendicular distance from the base to the opposite vertex is the .
- 4The amount of flat space inside a triangle is its .
- 5Two lines that meet at a 90° angle are .
- 6A shape made of two or more basic shapes combined is a .
- 7A math rule written with symbols, like A = ½ × b × h, is a .
- 8Two sides that stay the same distance apart and never meet are .
- 9Putting known numbers into a formula is called .
④ Use it in a sentence
Pick one word and finish the sentence in your own words.
A is .