Mathematics Form 4 - Logical reasoning 3.1

Let's play in the field

• statement

• not a statement

all triangles have equal sides

• true

• false

some polygons have five sides

• true

• false

All circles can be divided equally into eight sectors

• true

• false

Form a negation for "819 is a multiple of 9" and state the truth value

(a)  

How to combine the two statements

• use the word 'no' or 'not'

• use the word 'and' or 'or'

• use 'has' and 'have'

Determine the truth value of "49 is a multiple of 7 and a perfect square"

• true

• false

3 hours = 120 minutes and 4 minutes = 240 seconds

• true

• false

4/5 or 5/4 is a proper fraction

• True

• False

6 or 8 is and odd number

• true

• false