Computer Science
Kindergarten
20 min
Shapes: Matching and Sorting
Matching shapes and sorting them into groups of similar shapes.
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1
Introduction & Learning Objectives
Learning Objectives
Point to an attribute of a shape, like its color.
Say 'same' or 'different' when looking at two shapes.
Match two identical shapes from a small group.
Follow a simple sorting rule, like 'put all the circles here'.
Find the one shape that is different in a group of four.
Use a mouse to drag and drop shapes into groups on a screen.
Look at these two socks! π§¦π§¦ Are they the same? Let's find out!
We will learn to be detectives! π΅οΈ We will look closely at shapes. We will see what is the same and what is different.
Real-World Applications
Putting your toys away in the right bins.
Matching your socks to make a pair.
Finding all the red crayons in the box.
Sorting forks and spoons in the kitchen.
2
Key Concepts & Vocabulary
TermDefinitionExample
Same πThings that are just alike.Two red apples are the same. ππ
Different πThings that are not alike.An apple and a banana are different. ππ
Compare πTo look at two things closely.Let's compare the cat π and the dog π.
Attribute β¨A special thing about an object.The color red is an attribute of a fire truck. π
Rule πA way to sort or group things.The rule is: 'Only yellow toys go in this box.' π
Sort π§ΊTo put things into groups.Let's sort the blocks by color. π₯π¦π©
3
Core Syntax & Patterns
The One-Thing Rule
Look at one attribute at a time.
First, look at color. Then, look at shape. This helps us not get mixed up!
The Yes/No Question Rule
Ask a 'yes' or 'no' question.
Ask: 'Is this shape blue?' The answer is 'yes' or 'no'. Computers love simple questions!
4 more steps in this tutorial
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Challenging
The rule for a special club is 'All shapes must be RED and have 4 SIDES.' Which shape can join the club?
A.red square
B.blue square
C.red circle
D.red triangle
Challenging
Look at two boxes. Box 1 has: π₯π΅. Box 2 has: πΊπΊ. What is the sorting rule for Box 2?
A.Shapes must be red
B.Shapes must be different
C.Shapes must be round
D.Shapes must be the same
Challenging
A pattern on the computer screen goes: circle, square, circle, square. If you use the mouse to click on the NEXT shape in the pattern, what shape would you click on?
A.circle
B.square
C.triangle
D.star
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