Unit 5 · Standard 6.GR.4
Determine Surface Area of Prisms
My Notes Level 1 Support Level 2 Standard Level 3 Enrichment
Today's objectives
Content Objective: I can find the surface area of rectangular and triangular prisms.
Language Objective: I can explain my work using the words surface area, rectangular prism, triangular prism, and face.
📖 See Learn It for the explanation and worked examples, and the Vocab tab for the words. These are your notes to fill in and keep.
✏️ Fill in each blank as we go. Use the Word Bank to help you.
👆 Tap any word to see its meaning and a picture.
Level 3: try the blanks from memory first, then check the bank.
- 1The total area of all the faces of a solid is its .
- 2A solid with six rectangular faces is a .
- 3A solid with two triangular faces and three rectangular faces is a .
- 4A flat surface of a solid figure is a .
- 5A flat pattern that folds into a solid is a .
- 6A side face of a prism that is not a base is a .
Write About the Math
How much surface area needs staining, and how many cans of stain are needed?¿Cuánta área de superficie hay que teñir, y cuántas latas de tinte se necesitan?
Say your answer to a partner first. Then write it, using at least two of these words:
Model: For both, you add the areas of all the faces, but the shapes and number of faces differ. — Students explain both methods add up all face areas, but a rectangular prism has 6 rectangular faces while a triangular prism has 5 faces (2 triangles + 3 rectangles).
Start
Complete the frames. Use the word bank.Completa las oraciones. Usa el banco de palabras.
- The chest's SA is ___ ft² because SA = 2(___×___) + 2(___×___) + 2(___×___) = ___ + ___ + ___ = ___. You need ___ can(s) because ___ ÷ 50 = ___.
- My answer is ___ because ___.Mi respuesta es ___ porque ___.
Build
Write two connected sentences. Use because, so, or but.Escribe dos oraciones conectadas. Usa porque, entonces o pero.
- My claim is ___.Mi afirmación es ___.
- My evidence is ___, so ___.Mi evidencia es ___, entonces ___.
Explain
Write a claim, give math evidence, and explain your reasoning.Escribe una afirmación, da evidencia matemática y explica tu razonamiento.