Three primary school maths questions stump adults
How many triangles are there in this image? Educator reveals the three primary school maths questions stumping adults so how many can YOU answer?People from around the world have been stumped by three maths questionsThe first is the seemingly straightforward equation ‘8+2×42’The second is a photo that asks how many triangles you see in the pictureThe third is an addition problem, where fruit such as aaa replica hermes bracelet
apples represent numbersWhile classified as primary school level, the questions are trickier than you thinkBy Alice Murphy For Daily Mail Australia
Published: 19:05 EDT, 20 April 2021 Updated: 03:37 EDT, 21 April 2021
The questions have been collated by collated by Chris Hogbin,education leader at mathematical software solutions company, 3P Learning, fromNew South Wales.
But despite being geared towards children, the problems are trickier than they initially appear.
Try your hand at the questions below and scroll down to check the answers and see how you fared.
Adults are scratching their heads over three primary school maths questions (stock image)
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The wrong answer will be reached if you mix up the order of operation, which is the method used to solve mathematical equations.
Puzzlers can remember the order needed to solve the solution by learning three simple methods:PEMDAS, BEDMAS and BODMAS.
These methods are conventional ways in to solve problems and must be followed from left to right.
BODMAS stands for brackets, order, division, multiplication, addition and subtraction.
PEMDAS,on the other hand, stands for parenthesis, exponents, multiplication, division, addition and subtraction. It is often expanded to the phrase, ‘Please Excuse My Dear Aunt Sally’.
In this case, ‘exponents’ is the same as ‘order’.
BODMAS stands for brackets, order, division, multiplication, addition and subtraction
PEMDAS stands for parenthesis, exponents, multiplication, division, addition and subtraction. It is often expanded to the phrase, ‘Please Excuse My Dear Aunt Sally’
BEDMAS changes the ‘P’ for ‘B’, which stands for brackets and means the same thing.
The interchanging of the D and M doesn’t hold any actual value in the order of operation.
An important note in the order of operation and a major reason why so many arrive at the wrong answer is that you must do either multiplication and division followed by addition and subtraction based off which occurs first from left to right.
So in all three orders of operation, multiplication has the same precedence as division while subtraction has the same as addition.
2. How many triangles do you see?
The second problem shows a photo of a triangle segmented by lines and asks puzzlers to identify how many triangles you can see in total in the diagram
The second problem shows a photo of a triangle segmented by lines and asks puzzlers to identify how many triangles you can see in total.