T-Shirt numbers

T-Shirt numbers

Pencil and paper
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Working with Students
Further Resources
This task is about numbers written as words.
Some children were running in a race. They had numbers on their T-shirts.
a)
 
Sarah wrote some of the runners' numbers down in words. Write each of the numbers onto the T-shirts. 
 
 

i)  Six hundred and thirty two.
ii)  Five hundred and seven.

iii)  Three hundred and sixteen.
 
b)
i) Write the number 125 in words.
 
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ii) Write the number 340 in words.
 
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iii) Write the number 409 in words.
 
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Task administration: 
This task is completed with pencil and paper only.
Level:
2
Curriculum info: 
Maths, Number and Algebra, Number Knowledge
Keywords: 
place value, whole numbers
Description of task: 
This task requires students to write numbers onto runners' T-shirts given the words, then write in words the numbers on T-shirts.
Answers/responses: 

 

Y4 (11/2003)

a)

 

i)
ii)
iii)

632
507
316

 very easy
very easy
very easy

b)

 

i)
ii)
iii)

 

One hundred and twenty five.
Three hundred and forty.
Four hundred and nine.

NOTE: Accept if the "and" is missing or if some words are written as numerals (e.g., One hundred and twenty 5).

 easy
easy
easy

NOTE: Students who drop the "and" or write some words as numerals in b) are typically less able than students who get the wording completely correct.

Diagnostic and formative information: 
  Student response Likely misconception
a) i) 6 032
iii) 3 016
ii) 570, 57
ii) 517
iii) 306, 360		 Place Value Errors
Inserts extra zeros.
Zeros in wrong place, or missing.
Confuses teens with other numbers.
b) i) 125 or 1, 2, 5
ii) 340 or 3, 4, 0
iii) 409 or 4, 0, 9

i) one, two, five
ii) three, four, nought
iii) four, nought, nine

 Incorrect Writing of Numbers
Writes the number in numerals rather than words.
States number in words.