Lesson 56 Teacher Guide & Scoring Rubric
Teacher Key
Pedagogical Significance: Concluding the unit on trades and apparel, Lesson 56 introduces comparative structural analysis. Students discriminate materials based on thermal insulation (wool > cotton/silk) and articulate structural differences (individual finger stalls vs. collective pouch).
Standards Addressed: CCSS.ELA-LITERACY.RI.2.1 (Compare/Contrast Information), L.2.5.A (Categorizing Materials), W.2.2 (Informative Comparison).
Section 1: Glove Materials & Warmth
1. Four Fabrics: leather, cotton, wool, silk.
2. Warmest: wool (woolen gloves/mittens).
3. Dual Purpose: warmth and dirt / sun (protecting hands).
4. Other Coverings: mittens (accept: muff, gauntlets).
Section 2: Structural Contrast: Gloves vs. Mittens
A. Glove: separate sheath for each of the five (5) fingers.
B. Mitten: keeps the four fingers together in one pouch, with a separate thumb.
Section 3: Comparing Functions in Full Sentences (Sample Response)
A child wears woolen mittens to keep their fingers warm and cozy in deep winter snow. A worker wears tough leather gloves to protect their hands from thorns, sharp tools, and rough ropes.
Section 4: Winter Play Observation (Sample Response)
Children wear thick mittens because keeping all the fingers together generates shared warmth, preventing freezing hands in cold snow.
• Why Mittens Are Warmer: Explain the physics of shared body heat: when fingers are isolated in glove stalls, they have more surface area exposed to cold air; in mittens, fingers warm each other.
• Dexterity vs. Warmth: Discuss the trade-off: gloves allow fine finger movements (writing, holding reins), while mittens maximize warmth.
| Evaluation Metric |
Exemplary (5 Pts) |
Proficient (3-4 Pts) |
Developing (1-2 Pts) |
| Material Identification |
Names all four materials (leather, cotton, wool, silk) and identifies wool as warmest. |
Identifies 3 materials and recognizes wool for warmth. |
Confuses materials or misses thermal property of wool. |
| Structural Comparison |
Clearly articulates the structural difference between gloves (individual) and mittens (together). |
Explains that gloves have separate fingers and mittens do not. |
Comparison is vague or confusing. |
| Functional Application |
Writes two complete sentences effectively contrasting when mittens and leather gloves are worn. |
Writes complete sentences contrasting mittens and gloves. |
Answers fragmented or lack specific scenarios. |
| Handwriting & Form |
Neat, uniform handwriting on lines; proper margins and spacing. |
Legible handwriting; minor spacing inconsistencies. |
Handwriting uneven or difficult to read. |