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HW conjectures and counterexamples

Authored by Laurie Osczepinski

Mathematics

9th - 12th Grade

CCSS covered

Used 5+ times

HW conjectures and counterexamples
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12 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

x = 4

x = -2

x = 2

x = -4

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

a = 6

a = 0

a = 5

a = 1

Tags

CCSS.6.EE.B.5

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If an animal is furry, then it is a hamster. What would be an appropriate counterexample?

goldfish
frog
elephant
cat

Tags

CCSS.L.6.5B

CCSS.L.8.5B

CCSS.W.11-12.2D

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If it is a fraction, then it is a number between zero and one. What is an appropriate counterexample?

2/3
4/5
1/2
3/2

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

5.

OPEN ENDED QUESTION

3 mins • 1 pt

2, 4, 7, 11.....

Make a conjecture as to what the pattern is

Evaluate responses using AI:

OFF

Tags

CCSS.HSF.BF.A.2

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which of the following conjectures is false?

The product of two even numbers is even.
The sum of two even numbers is even.
The product of two odd numbers is odd.
The sum of two odd numbers is odd.

Tags

CCSS.3.OA.D.9

7.

OPEN ENDED QUESTION

3 mins • 1 pt

What conjecture would you make about this pattern

2, 5, 10, 17, 26, 37

Evaluate responses using AI:

OFF

Tags

CCSS.HSF.BF.A.2

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