Can you write your own list of numbers where one number doesnt belong. However theres a catch.

Which One Doesn T Belong Cards The Stem Laboratory Critical Thinking Activities Math Challenge Math Vocabulary Games

### Students identify the 4 pictures on the card and select the picture that shows a different amount.

Which number doesnt belong. There is more than one answer to each one. Number 1 from Pam Wilson. It is an even number.

Any number which doesnt fulfill the above conditions is irrational. 9 25 and 43 are all odd numbers. Using this the second number is 213 the third number is 326 the fourth number is 617 the fifth number is 7214 the sixth number is 14115 and the seventh number is 15230.

How do I Implement Which One Doesnt Belong. 9 doesnt belong because if you add up the digits in all of the other numbers they give you 7. The answer is 65.

Which One Doesnt Belong. 1 3 17 and 51. Each slide is designed to be projected and discussed.

Include include include int main stdvector n 4 14 27 24 34. A simple reason would be Because it only has one digit. 4 mathy type images or numbers are presented on the screen and the students come up with reasons why one of them doesnt belong.

Which number does not belong and why 9 16 25 43. I think 27 doesnt belong because it is the only value that is not divisible by fourAlso 27 is the only odd number in the group. What number doesnt belong 15 2 8 13 16.

I designed a Which One Doesnt Belong. Additionally is 0 A irrational number. Therefore 8EIGHT does not belong in the series.

Number 2 from Mary Bourassa. 51 has 4 factors. This is Which One Doesnt Belong a website dedicated to providing thought-provoking puzzles for math teachers and students alikeThere are no answers provided as there are many different correct ways of choosing which one doesnt belong.

9 is the only number that doesnt give you 7. 15 because it is a product of two prime numbers 2 because it is the only even prime number 8 because it is the smallest cube that is not the same as its root 03 0 and 13 1 13 because it is an. All the digits of 16 25 and 43 sums to 7.

Which Doesnt Belong- Numbers. What I love is that these are great for kids as young as kindergarten and as old as high school. In this weeks video Tom takes us through what makes the Which one doesnt belong puzzle website such a great classroom activityVisit.

I think 64 doesnt belong because all of the other numbers are either a perfect square or a perfect cube but 64 is both. 16 doesnt belong as it is an even number. 10Mers a and b are the other three.

I think in fact 9 is the number doesnt belong but for another reason. The idea of comparing groups of items looking at similarities and differences has been explored by many math educators. Each page has a set of four numbers.

WHICH ONE DOESNT BELONG. 8 cannot be after 7 since 728. It can be represented as a ratio of two integers as well as ratio of itself and an irrational number such that zero is not dividend in any case.

Christopher Danielson the author of the blogs Overthinking my Teaching and Talking Math With Your Kids has taken this idea to new heights. Number 3 from Mary Bourassa. This one will work for any number of inputs as long as only one is different from the rest in the units digit obviously.

Students take a few minutes of think time to decide on their answer and their reasoning. 1 – 2 – 5 – 10 – 13 – 26 – 29 – 48 Which one of the numbers does not belong in the following series. A prime number has only itself and 1 as factors.

Find more tasks on page 2. 16 25 43 7. I say 16 is the number that doesnt belong because 9 25 and 43 are all odd numbers and 16 is even.

WHICH NUMBER DOESNT BELONG. Number 4 from Mary Bourassa. 588 7 88 49 70 Record at least 3 different reasons why a number doesnt belong.

45 148 76 40. So the number which doesnt belong in the set is 65. The correct answer is whole numbers and integers.

Which One Doesnt Belong. 51 does not belong because it is the only number that is not prime. Numbers Find a reason why each one does not belong.

Activity with four numbers. Which One Doesnt Belong is a great way to get your Kindergarten students to think critically while adding rigor and relevance to your lessons. What number doesnt belong 17 26 44 or 65 and why.

Which number doesnt belong in this group. Number 5 from Isabelle Noah Bourassa. The graph of which set of numbers does not belong with the Der line.

Number 6 from Isabelle Bourassa. The object is to determine which number doesnt belong in the set and provide a true and valid reason for your answer. I came up with FOUR answers for this slide.

Our goal in this game is to try to come up with a reason why each of the 4 images could be considered as the one that doesnt belong. I think 16 doesnt belong because it is not a perfect cube and the other three are. I posted the numbers asked students to share which number they thought didnt belong and asked them to work in groups to come up with a reason that each could not belong.

The prompt to students is Which one doesnt belong. 16 is an even number. Definitely not the most efficient possible but kind of nice anyway.

This is because 122 235 5210 10313 13226 26329 but 29248. Which Doesnt Belong numbers cards can be used for students to count how many and identify the number to tell how many. Below is the final recording of their ideas.

How to Use Which Number Doesnt Belong. Students are presented with 4 different yet similar images numbers graphs pictures etc on a 2 x 2 grid. The concept is simple enough.

I could say 9 is the number which doesnt belong. If you add the digits of these numbers you get. Of four different -35 x -3 and x s 5 x-3 x.

Student A says.

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