Teacher Guide
Week 22
3D Shapes — Teacher Guide
Monday: Meet the 3D Shapes
1
Warm-up 2D Review
1.
4, 3, 6, pentagon
2
The Six Solids
1.
Vocabulary intro — no answers needed
3
Name That Solid
1.
cone, cube, sphere, pyramid, cylinder
4
Number Talk
1.
Sphere is curved all over; cube has flat faces that stop it
2.
Circle is flat (2D); sphere is solid (3D)
5
Word Problem
1.
Cylinders and cones roll: 3+2 = 5
Page break
Tuesday: Faces, Edges & Vertices
1
Warm-up Riddles
1.
sphere, cube, cylinder, cone
2
New Words
1.
Cube: 6 faces, 12 edges, 8 vertices
3
Estimate First
1.
Rect. prism: 6 faces; pyramid: 5 faces
4
Count Table
1.
Cube 6/12/8; Rect prism 6/12/8; Pyramid 5/8/5; Sphere 0/0/0
5
Word Problem
1.
6 faces ÷ 4 per pack → 2 packs, 2 stickers left over
Page break
Wednesday: Nets
1
Warm-up
1.
6, 8, 0, 1
2
Match Nets
1.
Cross net → cube; circles+rectangle → cylinder; square+4 triangles → pyramid
3
Two Ways
1.
6 faces, not 5; all faces are squares, not triangles
4
Word Problems
1.
6 rectangle faces
2.
4×3 = 12 triangles
5
Create Own Net
1.
Any valid 6-square arrangement; encourage cut-and-fold test
Page break
Thursday: Real World
1
Warm-up Solid Math
1.
12, 10, 11, 12−8=4
2
Real-World
1.
sphere, cylinder, cone, rectangular prism, pyramid
3
2D and 3D
1.
square, circle, square + triangles, circle
4
Number Talk
1.
Same structure — prism is a stretched cube
2.
Cans — flat circle faces stack; spheres roll away
5
Word Problem & Hunt
1.
5×2 = 10 circle faces; accept any correct household objects
Page break
Friday: Review & Self-Check
1
Warm-up
1.
6, sphere, 12, 5
2
Estimate First
1.
Discussion question — glued pair shows 10 outside faces
3
Review Table
1.
Cube 6/12/8; Pyramid 5/8/5; Cylinder 2 flat faces, 0 edges/vertices (2nd-grade convention); examples vary
4
Word Problem
1.
Tower of 3 cubes: 4 sides × 3 + 1 top = 13 stickers
5
Self-Check
1.
Accept student self-assessment and reflection