Neft Teacher · Vocab Explorer

Unit 5 · Standard 6.GR.4

🔑 Determine Surface Area of Pyramids — Vocab Explorer

Lesson 5-8 · Learn the words, then practice them

① Word Wall

Look at the picture, read the meaning, and tap 🔊 to hear each word.

Illustration of Surface Area of Pyramids: The total area of a pyramid's base and triangular faces. Formula: SA = B + lateral area.
Surface Area of Pyramids

ES Área de superficie de pirámides

The total area of a pyramid's base and triangular faces. Formula: SA = B + lateral area.

El área total de la base y las caras triangulares de una pirámide. Fórmula: SA = B + área lateral.

Illustration of Pyramid: A solid with a flat bottom and triangle sides that meet at one point on top.
Pyramid

ES Pirámide

A solid with a flat bottom and triangle sides that meet at one point on top.

Un sólido con un fondo plano y lados triangulares que se unen en un punto arriba.

Illustration of Slant height: The height of a side triangle, measured along its slanted face.
Slant height

ES Altura inclinada (apotema)

The height of a side triangle, measured along its slanted face.

La altura de un triángulo lateral, medida por su cara inclinada.

Illustration of Lateral face: A triangle side of a pyramid, not the bottom.
Lateral face

ES Cara lateral

A triangle side of a pyramid, not the bottom.

Un lado triangular de una pirámide, no el fondo.

Illustration of Base: The flat bottom of a pyramid.
Base

ES Base

The flat bottom of a pyramid.

El fondo plano de una pirámide.

Illustration of Apex: The point at the top of a pyramid where the sides meet.
Apex

ES Ápice

The point at the top of a pyramid where the sides meet.

El punto en la parte de arriba de una pirámide donde se unen los lados.

Illustration of Lateral area: The total area of just the side triangles, not the bottom.
Lateral area

ES Área lateral

The total area of just the side triangles, not the bottom.

El área total solo de los triángulos laterales, sin el fondo.

Illustration of Surface area: The total area of every face of a solid, base included.
Surface area

ES Área superficial

The total area of every face of a solid, base included.

El área total de todas las caras de un sólido, incluida la base.

② Match it

Tap a word, then tap its meaning.

③ Fill in the blank

Use the word bank to finish each sentence.

Word bank
Surface Area of PyramidsPyramidSlant heightLateral faceBaseApexLateral areaSurface area
  1. 1The total area of a pyramid's faces, found with SA = B + lateral area, is the .
  2. 2A solid with a polygon base and triangular faces meeting at one point is a .
  3. 3The height of a triangular face of a pyramid, measured along the slanted side, is the .
  4. 4A triangular side face of a pyramid is a .
  5. 5The polygon on the bottom of a pyramid is the .
  6. 6The single top point where the triangular faces of a pyramid meet is the .
  7. 7The combined area of all the side faces, not counting the base, is the .
  8. 8The total area of all the faces of a solid is its .

④ Use it in a sentence

Pick one word and finish the sentence in your own words.

A is .