Practice Work: Geometry Lesson 2.1 - 2.3

Let p: Upin goes to school, q: Ipin is sick. If p is true and q is false, what is the truth value for p only if q ?

• False

• True

Contrapositive of:
If an integer ends with 0, then it's divisible by 2.

• If an integer ends with 2 then it's divisible by 0.
• If an integer doesn't end in 0, then it's not divisible by 2.
• If an integer isn't divisible by 2, then it's doesn't end in 0.
• If an integer is divisible by 2, then it ends with 0.

Conditional:  If a triangle is scalene, then it has no congruent sides. 
Which statement shows the conditional written as a true biconditional?

• A triangle is scalene if and only if it has no congruent sides.
• If a triangle has no congruent sides, then the triangle is scalene.
• If a triangle has some congruent sides, then the tringle is not scalene.
• A triangle is equilateral if and only if it is not scalene.

Which statement is a valid conclusion based on the argument?
If a polygon is a regular pentagon, then the polygon has exactly five congruent angles.
The polygon is a regular pentagon.

• The polygon is a rectangle.
• The polygon is a regular quadrilateral.
• The polygon has exactly five congruent angles.
• The polygon has congruent sides.

Tags

CCSS.HSG.CO.C.11

Make a valid conclusion:
If it rains then the sky is dark.
If the sky is dark, then crickets will chirp.
Laura is using her umbrella.

• The crickets are chirping.
• They sky is dark.
• Laura is avoiding the rain.
• No conclusion can be made.

Tags

CCSS.RI.11-12.2

CCSS.RI.9-10.1

CCSS.RL.11-12.1

CCSS.RL.8.1

CCSS.RL.9-10.1

Find the next term in the sequence:
A, D, G, J, _____

• L
• M
• P
• K

Tags

CCSS.HSF.BF.A.2

What are the missing numbers in this pattern?
23, 33, ___, 53, ___, 73

• 32, 62
• 42, 63
• 43, 63
• 42, 62

Tags

CCSS.2.NBT.A.2

Is the following argument best classified as deductive or inductive?
All dogs bark. Fido is a dog, so he barks.

• deductive
• inductive

Inductive reasoning is moving from:

• general to particular
• top to bottom
• bottom up
• particular to general

Using deductive reasoning, which of the following completes the statement to form a valid conclusion?
If it is snowing heavily, then school will be canceled.
If school is canceled, the big test will not be given today.
It is snowing heavily, then...

• Look out for the snowplows while driving to school.
• The big test will not be given today.
• The roads will be hard to drive on.
• You should call the school to see if school is canceled.