MEP: Demonstration Project

Y7A, Unit 1

UNIT 1 Logic

Activities

Activities
1.1 1.2 Two Way Tables Shapes in Two Way Tables a. b. c. 1.3 1.4 1.5 1.6 Shapes Numbers Letters

Venn DiagramsNumbers in Venn Diagrams a. Venn Diagrams Plane Passengers Representing Sets by Venn Diagrams

© The Gatsby Charitable Foundation

MEP: Demonstration Project

Y7A, Unit 1

ACTIVITY 1.1
Thisis a whole-class or group activity.

Two Way Tables

You are going to divide up into groups according to two criteria. You need to either use the four corners of your classroom, or makesufficient space in one area of the room. In each case, divide up into the appropriate corner or 'cell' according to the criteria given.

1.
Boys No sisters or brothers At least one sister or brother GirlsAdd up the total number of pupils in each cell. What does this tell you?

2.

No sisters No brothers One or more brothers

One or more sisters

What must the total number of pupils in eachcell add up to?

3.
No sisters No brothers One brother One sister

What does the total number of pupils in each cell now add up to? Describe the criteria for pupils who are not in any of thecells.

© The Gatsby Charitable Foundation

MEP: Demonstration Project

Y7A, Unit 1

ACTIVITY 1.2

Shapes in Two Way Tables

This activity requires the use of a set of shapes (given on A1.2a). You will also need large (A3) 2 × 2 and 3 × 3 tables on which to place the shapes. In each case, put the complete set of shapes, 40 in total, into the appropriate cell, according to the criteriagiven. 1. (a)

No. of edges Not all All straight straight

(b)

No. of edges 2 or less 3 or more

Shaded Not shaded

Shaded Not shaded

2.

No. of edges 3 or less Shaded Not shaded 4 5 ormore

3.
3 or less All round Type of edge Some round and some straight All straight

No. of edges 4 5 or more

4.

No. of edges 3 or less None or one No. of vertices Two or three Four or... [continua]

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