Problem - Pedro's tables

 This problem gives you the chance to: 

• work with number properties including divisibility 

• explain your reasoning 

Pedro chooses numbers to go in a table. He can choose any whole number from 1 to 25. 

Pedro says, "I can put 6 in the middle box. 6 is a factor of 12 and it’s a multiple of 3"

1. What other numbers could Pedro put in this box? ___________________________________ 

2. The number 4 can go in two different boxes in the table. Write 4 in these two boxes. 

3. Give a description of numbers that can go in the Even numbers and Multiples of 3 box. _____________________________________________________________________________ . 

4. Explain why there are no numbers that can go in the Factors of 12 and Multiples of 5 box. _____________________________________________________________________________  

5. Explain why there is only one number that can go in the middle box on the bottom row.

_____________________________________________________________________________

6. Complete the table by adding all possible combinations from 1-25

Source - Mars Maths