Unit 5 · Standard 6.GR.1
Apply Area Concepts to Solve Problems
My Notes Level 1 Support Level 2 Standard Level 3 Enrichment
Today's objectives
Content Objective: I can find the area of a composite figure by decomposing it into basic shapes, including a regular polygon split into triangles, and adding or subtracting the areas.
Language Objective: I can explain my steps using the words composite figure, decompose, add, and subtract.
📖 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.
- 1A shape made of two or more basic shapes combined is a .
- 2To break a composite figure into basic shapes is to it.
- 3To find the total area of separate parts, I their areas.
- 4To find the area of a shape with a piece removed, I the missing part's area.
- 5A math rule written with symbols is a .
Write About the Math
How much will the carpet cost?¿Cuánto costará la alfombra?
Say your answer to a partner first. Then write it, using at least two of these words:
Model: We decompose the L-shape because we already know how to find a rectangle's area. — Students explain that the L-shape is hard to measure directly, so breaking it into two rectangles lets them use A = l x w on each piece and add the results.
Start
Complete the frames. Use the word bank.Completa las oraciones. Usa el banco de palabras.
- The top area is ___ sq ft and the stem area is ___ sq ft. Total = ___ + ___ = ___ sq ft. Cost = ___ x $5 = $___.
- 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.