TEACHING AND LEARNING ABOUT PLACE VALUE AT THE YEAR 4 LEVEL

Appendix 1

The range of NEMP activities
The NEMP activities (in bold) covered the following features of place value:

         
Girls and Boys
showing 26 and 32 with place value blocks. Showing links between multi-digit numbers and the objects that they represent. A child can show that the tens digit refers to groups of ten objects.
dividing 26 by two and dividing 32 by two using place value blocks. Conservation of number. The value of a number is not affected by changes in the grouping.
         
Population
explaining the meaning of individual digits within a four-digit numeral. This extends the concept development of showing to being able to express it verbally.
         
Calculator Ordering
put 4010, 140, 41, 4100, 104 and 14 in order of size - comparing relative magnitude.
reading and writing numerals.      
         
Number A
multiplying by 100      
         
Number C      
writing words for 3,4 and 6 digit numbers in figures
multiplying by 10
         
Algorithms
adding and subtracting one and two-digit numbers.
         
Motorway
estimating and then multiplying by 100 (knowledge of one strategy).
         
36 + 29
mental calculation of addition      
         
Speedo
adding and subtracting 1,10, 100, 1000 to and from a 4-digit number.
         
There do not appear to be any activities that show a child's ability to count groups of ten.

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