1. Who Am I? What Number Am I? What Shape Am I? Can You Draw Me?
The following Cooperative Problems were created by 5th grade teachers on Day Four of the Preparing for Success in Algebra
California Mathematics and Science Partnership (CaMSP)
Year One - Summer 2001

2. I have two digits
I am a perfect square
I have three factors
I am divisible by 5

3. Only two of my sides are parallel
I have two acute angles
Only two of my sides are parallel
Only two of my sides are congruent
My angles add up to 360°

4. I am a prime number smaller than 10
I am an odd number.
I am a prime number smaller than 10
100 is one of my multiples
I am a factor of 50.

5. I am divisible by 3
I am a composite number
I am an odd number
I am greater than 50

6. Two of my sides are parallel
The sum of my angles is 360°
Two of my sides are parallel
I have 4 sides
1/2 (base x height) finds my area

7. The difference of my non-congruent sides is one foot
I am a quadrilateral
My area is less than 45 ft squared
My perimeter is 26 ft

8. I have two sets of equal angles
I have two sets of parallel lines
I have all equal sides
I am a polygon

9. I am equivalent to five tenths
I am part of a whole
I am in lowest terms
I am equivalent to five tenths
I am between (1/4) and (3/4)

10. The sum of my digits is seven
I am a composite number
I am divisible by five
The sum of my digits is seven
I am a multiple of five

11. I am equivalent to six dimes
I can be reduced to (3/5)
I can be expressed in tenths and hundredths
I am less than one

12. I have three equal sides
I have three angles
I have three equal sides
I am a polygon
The sum of my angles is 180º

13. I have four right angles
I am a quadrilateral
I am a polygon
I have four right angles
I have four sides

14. The sum of my digits is equal to three squared
I am an even number
I am a composite number
The sum of my digits is equal to three squared
Each of my digits is prime

15. I can be written as a mixed number
I am less than 2 and greater than 1
I have a 2 in the tenths place
I can be divided by fourths

16. The sum of my digits is seven
I am a two digit number
I am a composite number
The sum of my digits is seven
I am a multiple of five

17. The product of my digits is 40
I am divisible by 5
The product of my digits is 40
The sum of my digits is 13
One of my digits is odd and the other is even

18. Two of my angles are obtuse
I have 5 sides
I have 5 angles
Two of my angles are 90°
Two of my angles are obtuse

19. I have one pair of parallel sides
I am a quadrilateral
I have one pair of parallel sides
Two of my sides are congruent
I have no right angles

20. If I were money, I would be 25¢ less than $1.00
I am more than one half
I can be represented by .75
If I were money, I would be 25¢ less than $1.00
An equivalent fraction is (9/12)

21. I’m equivalent to an improper fraction
I am a fraction
If you multiply my whole number by my denominator and add my numerator, I become an improper fraction
My numerator is larger than my denominator
What fraction vocabuary word am I?

22. I am equivalent to five tenths
I am part of a whole
I am in lowest terms
I am equivalent to five tenths
I am between (1/4) and (3/4)

23. The sum of my digits is one
I am a multiple of 25
I am an even number
The sum of my digits is one
I am a number less than 200

24. All of my angles are obtuse and congruent
The sum of my angles is 720°
All of my angles are obtuse and congruent
The sum of my sides is a multiple of 36
I can be divided into equilateral triangles

25. I am a multiple of thirty-three
I am an odd number
I am a multiple of thirty-three
The sum of my digits is 18
I am a number less than ten squared

26. I am a closed plane figure
I have two pairs of congruent opposite sides
Two of my opposite angles are congruent
Two of my opposite angles are obtuse

27. I’m not a rational number
You can figure out who I am if you go in a circle
I come in different flavors such as apple an pumpkin
I’m not a rational number

28. I am not a natural number
I am not an integer
I am not a natural number
I am a rational number
My square root is zero

29. The first digit is two greater than my second digit
My digits are both odd
The first digit is two greater than my second digit
I am a prime number
The product of both of my digits equal the first digit

30. Clue One
Clue Two
Clue Three
Clue Four