### World's Top 10 Most Interesting Elementary/Primary School Maths Problems

Today, our MathSloth team took some time off to compile a list of what we feel are the world's Top 10 Most Interesting Elementary or Primary School Maths Problems (to date).

Some of these maths problems, on their own, have generated much Internet debates, but more importantly, they represent interesting boundaries that we may use to challenge our students' thinking in the formative elementary school stages.

Note that the maths problems are not ranked, they are merely listed in reverse grade order. (no answers disclosed in this post)

Some of these maths problems, on their own, have generated much Internet debates, but more importantly, they represent interesting boundaries that we may use to challenge our students' thinking in the formative elementary school stages.

**We will explain which area of mathematics each of these questions attempt to test**.Note that the maths problems are not ranked, they are merely listed in reverse grade order. (no answers disclosed in this post)

**Share link :**https://mathsloth.com/blog/2017/08/worldtop10elementarymathsqns.html**1. Elementary Year 3 Maths Test Problem**

*from*Japan (2016)**. This problem tests**

__What it tests__**pattern association**between '882' and

*(clue)*its pictorial representation and

**deductive reasoning**on the arithmetic structure of the pictorial presentation to yield the 2 numbers that can be multiplied to obtain the number '882'.

**2. Grade 3 Maths Test Problem**

*from*U.S.A New York State (2015)**. Only 33% of the third-grade students tested were able to answer this question correctly. This question assumes basic familiarity with time words (minutes, days) and tests the students' grasp of**

__What it tests__**arithmetic operations**and

**precedence**.

**3. Year 2 Maths Test Problem**

*from*United Kingdom (2016)**. This problem is an practice exam question for Year 2 students. It tests the Year 2 students' ability to perform**

__What it tests__**backward reasoning**to solve the problem. It requires just

**arithmetic**, not necessarily the use of

*algebra*.

**4. 1st Grade Maths Test Problem**

*from*Hong Kong Elementary School (2012)**. This problem is set in a Year 1 Test for an elementary school in Hong Kong. This is clearly an advanced challenge for the Year 1 as it tests the students'**

__What it tests__**combined cognitive, deductive and arithmetic**abilities..

**5. Year 1 Maths Test Problem, United Kingdom (2017)**

**. Letter-to-number substitution is the easy part. This question tests the students'**

__What it tests__**deductive reasoning**on the arithmetic structure of the provided pattern.

**6. Primary 1 Maths Test Problem**

*from*China (2015)**. In this question,**

__What it tests__**B**is the common variable between the operands and the result. This question tests the students'

**deductive reasoning and testing**abilities.

**7. Primary 1 Maths Test Problem**

*from*Singapore (2017)**. This problem tests the students'**

__What it tests__**deductive reasoning**on the arithmetic structure of the cyclical pattern to uncover the missing numbers.

**8. Primary 1 Maths Test Problem**

*from*China (2017)**. This problem tests the students'**

__What it tests__**deductive reasoning**on the arithmetic structure

*(clue:shape)*of the pattern to uncover the relationship of the numbers.

**9. 1st Grade Admission**

*from*Hong Kong Elementary School (2013)**. This problem is set in a Year 1 Admissions Test for an elementary school in Hong Kong. While the answer had baffled some of the most erudite adults on the Internet, it is "clear as day" once you have figured out the answer. This problem tests the students'**

__What it tests__**intuitive spatial cognitive**ability.

**10. Preschool! - The Internet Preschool Question**

**. This problem is supposedly intended for and solvable by pre-school and early elementary children. It tests the students'**

__What it tests__**observation**and

**cognitive**abilities.

Yes, that's our World's Top Ten Most Interesting Elementary/Primary School Maths Problem survey!

Do check back for our "answers" upcoming post. Meanwhile,

Do check back for our "answers" upcoming post. Meanwhile,

**subscribe**to our blog to be notified OR start your child on our free, auto-scored**MathSloth.com practices**.
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