Unit 5 · Standard 6.GR.4
Represent Three-Dimensional Figures in Two Dimensions
My Notes Level 1 Support Level 2 Standard Level 3 Enrichment
Today's objectives
Content Objective: I can find the surface area of a solid by using its net.
Language Objective: I can explain my work using the words surface area, net, face, and two-dimensional.
📖 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 flat pattern that folds up into a solid is a .
- 3A flat surface of a solid figure is a .
- 4A flat shape with length and width but no thickness is .
- 5A line segment where two faces meet is an .
Write About the Math
How many sheets of wrapping paper are needed to cover the entire box?¿Cuántas hojas de papel de regalo se necesitan para cubrir toda la caja?
Say your answer to a partner first. Then write it, using at least two of these words:
Model: A net lays every face flat so you can see and measure all six faces. — Students explain a rectangular prism has 6 faces, and the net unfolds the solid into a flat (two-dimensional) pattern so every face is visible to measure.
Start
Complete the frames. Use the word bank.Completa las oraciones. Usa el banco de palabras.
- The box's surface area is ___ in² because SA = 2(___×___) + 2(___×___) + 2(___×___) = ___ + ___ + ___ = ___. You need ___ sheets because ___ ÷ 400 ≈ ___.
- 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.