What Are They?

A Maths Starter of The Day

1. The product of two odd numbers is 441.

What are they?

2. The difference between two square numbers is 3.

What are they?

3. The sum of three prime numbers is 19.

What are they?

4. The ratio of two even numbers is 5:7.

What are they?

 

 

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Keywords: Starter | Arithmetic | Number Patterns | Puzzles | Ratio

"In the product question the solutions do not include the double negative
solutions."

C. J. Southward, Limehouse Cumbria
Wednesday, June 04, 2008

 

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Answers

1. 1 and 441 or 3 and 147 or 7 and 63 or 9 and 49 or 21 and 21.

2. 1 and 4. Could there be any other solutions?

3. 3, 3 and 13 or 3, 5 and 11 or 5, 7 and 7.

4. 10 and 14 or 20 and 28 or 30 and 42 or ...

 

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