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Sheet # 246/Critical Thinking

Name: _____________________ Date_____________


Explain and Show Your Work

1) Jack is between 30 and 50 years old. The sum of the digits of his age is 12. His age is an odd number. How old is Jack?







2) How many different products can be formed by multiplying any two of the numbers below. You can multiply a number with itself?

9, 13, 24, 30









3) If you multiply the mystery number by 8, then subtract 24 and then divide by 4 and subtract 1, you get 5. What is the mystery number?

















Answer for sheet # 246

1) 39

2) 9 X 9
9 X 13
9 X 24
9 X 30
13 X 13
13 X 24
13 X 30
24 X 24
24 X 30
30 X 30

Ten combinations in all. 13 x 9 is the same as 9 x 13

3) 6