Name: Dianna

Who is asking: Parent

Level: Middle

Question:

How do you simplify a square root? My daughter tells me that the square root of 20 simplified is 5root4 (sorry, I can't produce the signage). Can you please help???

Hi Dianna,
Your daughter is close but not quite correct. Since 20 is 4 x 5 you can write

Cheers,

Penny