Gary Davis, University of Southampton, UK
Catherine Pearn, La Trobe University, Australia
Geraldine Price, University of Southampton UK
Keith Smith, University of
Southampton, UK
Paper presented to SEMT 97, International
Symposium on Elementary Mathematics Teaching. The Evaluation of
Elementary School Mathematics. August 24-29, 1997 Prague, The
Czech Republic
Results from interviews used to identify
children needing to participate in a Mathematics Intervention
program have highlighted a link between children needing to be
included in both Mathematics Intervention and Reading Recovery.
This perceived reading/mathematics link has implications for the
type of intervention programs currently being offered to children
"at risk". We report on a study in Australia and the
United Kingdom in which young children were tested for counting
and reading abilities, and suggest that unitizing plays a major
role in both counting and reading.
In the learning disabilities literature, many
authors have observed a between children's reading difficulties
and their arithmetic problems (Ackermann et al, 1986; Geary,
1994; Kulak, 1993; Light and De Fries, 1995; Pearn, 1994). In the
earliest years of schooling, children's counting strategies are a
clear indicator of their development in arithmetic (Steffe et al,
1983, 1988; Wright, 1991). In particular, a child's ability to
recognise and flexibly operate with composite units is recognised
to be of critical importance in their arithmetic development
(Steffe et al, 1983). On the other hand, readiness for reading is
strongly linked to a child's phonemic awareness (Adams, 1995;
Underwood and Batt, 1996).
We tested 29 students age 5 - 6 years at South
Wonston primary school in Hampshire, U.K. to ascertain their
counting abilities, their level of phonemic awareness, and their
working memory (attention). Tests were administered
independently.
TESTS
1. Clinical interviews
Children were interviewed, using the Initial
Clinical Assessment Procedure-Mathematics-Level AA, an instrument
designed by three teachers (Pearn, Merrifield, Mihalic, &
Hunting, 1994). This instrument utilises tasks based on stages of
the construction of the number sequence and their relationship to
specific counting types. These 5 stages were developed in
theoretical work by Steffe, Cobb, von Glaserfeld and Richards
(1983) and documented by Wright (1991).
2. Reading tests
These were based an a phonological assessment battery (details on request). There were essentially two types. The first ascertained speed in naming pictures and speed in naming digits. The second was a phonological test, designed to ascertain phonemic awareness, which included alliteration, rhyme, and spoonerisms tests.
There are at least three ways of breaking up a word into its constituent sounds, and thus at least three possible forms of phonological awareness:
| Syllable | Onset and rime | Phoneme | |
| "cat" | cat | c - at | c-a-t |
| "string" | string | str - ing | s-t-r-i-n-g |
| "wigwam" | wig-wam | w - ig - w - am | w-i-g-w-a-m |
(Goswami & Bryant 1990)
The first way is to break up the word into its
syllables and there is evidence to suggest that this poses little
difficulty for most children (Liberman et al 1974). However, the
majority of words children encounter when they first learn to
read are monosyllabic and so awareness of syllables cannot be
relevant to the constituent sounds of these words. In this case
what is needed are smaller units than the syllable.
The second way to break up the word involves smaller phonological segments referred to as phonemes. A phoneme is the smallest unit of sound that can change the meaning of a word. Alphabetic letters typically represent phonemes and thus a string of alphabetic letters represents a sequence of phonemes. In order to see that a sequence of letters adds up to a meaningful word, the child has to understand that a word is in effect a collection of phonemes.
However, there is a third and intermediate kind
of phonological awareness. Words can also be divided up into
units that are larger than the single phoneme - units which
themselves consist of two or more phonemes - but smaller than the
syllable. It is usually possible to divide a syllable into two
parts, an opening and an end section. The word
"string", for example, has a clear beginning in its
first three consonants, "str", and an equally distinct
end section which contains the vowel and the last two consonants,
"ing". This monosyllabic word, therefore, can be broken
up into two phonological units, each made up of more than one
phoneme. Units of this sort lie somewhere between a phoneme and a
syllable, with the opening unit often referred to as "the
onset" and the end unit "the rime".
3. Star Counting
The Star Counting Test was designed "to
measure a person's ability to activate and inhibit processes in
working memory" (de Jong and Das-Smaal, 1995, p.81). Each
item in the Star Counting Test consists of a pattern of stars
with arrows in between. The child starts counting the stars from
the given number. The upward and downward arrows indicate the
direction (forward or backward, respectively) in which the stars
should be counted.
RESULTS
There was a high correlation between the
variable "arithmetic" and the sum of variables
"phonology+attention: r2= 0.73, p = 0.0001. This
says that about 3/4 (precisely, 73%) of the variation in
students' arithmetic performance on the modified Initial Clinical
Assessment Procedure -Mathematics-Level AA test can be accounted
for by the average variation in phonological awareness and
attention. "Attention" alone correlates 50% with
"arithmetic" (i.e., r2 = 0.50), whilst the correlation
between "attention" and "phonology" is only
18% (r2 = 0.18). This lends support to the following point of
view: there is a common unitizing feature of the brain that deals
with arithmetic units and phonological units. Arithmetic
development, unlike phonological awareness, is also significantly
connected to attention.
The ability to operate flexibly with phonemes
can be viewed as a problem with knowing the roles of the
constituent parts of a syllable: the onset and the rhyme (Adams,
1995; Underwood and Batt, 1996). There are numerous constraints
on the formation of onsets and rhymes in any language, but
apparently almost no constraints on how these sub-units can be
put together (Adams, 1995). It appears therefore that phonemic
awareness is linked to the understanding of syllables as
composite units of an onset and a rhyme. A child's readiness for
reading appears to be a function of the child's ability to be
aware of these sub-units and to operate flexibly with them. On
the other hand children's difficulties in counting are also
strongly linked to their developing ability to operate flexibly
with composite numerical units. We hypothesise that a common
feature in the observed connection between reading and arithmetic
difficulties that many young children have may be a in a common
"unitizing" feature of the brain. Moreover, this
hypothesised unitizing feature, in the case of arithmetic, seems
to have some connection with attentional aspects of the brain's
functioning.
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