Cogito
Pre-K Math · Chapter 4 · Lesson 2
Sorting by Shape and Size
More ways to make groups.
10 problems · about 6 minutes · PK.MD.2
Figure — use these to answer the problems
Hexagon
Straight sides
6
Corners
6
Warm-Up Review
From earlier lessons. Loosen up before the new work.
5 problemsFrom “Sorting by Colour”
🔵🔵🔵🔴. How many blue?
AnswerFrom “Shape Hunt”
A plate is what shape?
- A circle.
- A square.
From “Rectangles”
How many sides does a rectangle have?
AnswerFrom “Triangles”
How many corners does a triangle have?
AnswerFrom “Circles and Squares”
How many corners does a square have?
Answer
Warm Up
Straightforward practice. Get the method working first.
2 problemsFive small cars and one big. How many small?
AnswerCan you sort by shape?
- Yes.
- No.
Build It Up
The same ideas with more to keep track of.
1 problemThree big and two small. How many big?
Answer
Stretch Yourself
Mixed problems. Work out what kind of question it is before you start.
2 problemsHow many sides does a hexagon have?
AnswerBig and Small
Two big balls and four small. How many small?
Answer