Odd or even numbers

Odd or even numbers

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Overview
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Connecting to the Curriculum
Marking Student Responses
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Further Resources
This task is about odd and even numbers.

Question 1Change answer

TeacherTeacher
a)  Mr Davidson and Mrs Nehana tried to put the children in their classes into pairs. 
     All of Mr Davidson's children were in pairs.
     One of Mrs Nehana's children was not in a pair.
     i)  Did Mr Davidson have an odd or an even number of children? oddeven

     ii)  Did Mrs Nehana have an odd or an even number of children? oddeven

Question 1Change answer

dart board
b) Renee was throwing darts at a dart board. The darts hit these numbers:
6, 11, 2, 14, 7, 1, 18, 10, 15 
     i)  Write all the even numbers that Renee hit. 
     ii)  Write all the odd numbers that Renee hit. 

Question 1Change answer

c)  i)  Is 487 an odd or an even number? oddeven

     ii)  Explain how you can tell if 487 is odd or even.
     
Task administration: 
This task can be completed with pencil and paper or online (with SOME auto-marking).
Level:
2
Curriculum info: 
Maths, Number and Algebra, Number Knowledge
Keywords: 
even numbers, odd numbers, divisibility
Description of task: 
Students identify odd and even numbers from a series of numbers and from a word problem. They then explain how to identify an odd number.
Answers/responses: 
   Y5 (04/1999)
a) i)
ii)		 Even
Odd		 very easy
b) i)
ii)		 6, 2, 14, 18, 10 (in any order)
11, 7, 1, 15 (in any order)		 easy
easy
c) i)
ii)		 Odd
Because the last digit (7) is odd or other similar explanation.
NOTE: Accept "because you cannot split it in half or into pairs" or "because of the 7".		 moderate
Diagnostic and formative information: 
  Common error
c) ii) It is even because the first digit (4) is even.
It is even because 4 and 8 are even or because it has 2 even digits.
It is even because all 3 digits need to be odd for the number to be odd.