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etadd_47(3) - Division on Autism and Developmental Disabilities

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y students with intellectual disability (note, not<br />

disaggregated for students with MID) (Browder,<br />

Spo<strong>on</strong>er, Ahlgrim-Delzell, Harris, & Wakeman,<br />

2008), the last thorough review <strong>on</strong> academic<br />

mathematical instructi<strong>on</strong> for students with mildto-moderate<br />

intellectual disability predates the<br />

current decade <strong>and</strong> hence current reforms<br />

(Butler, Miller, Lee, & Pierce, 2001).<br />

Butler <strong>and</strong> colleagues (2001) reviewed the<br />

literature <strong>on</strong> mathematics educati<strong>on</strong> for students<br />

with mild-to-moderate intellectual disability<br />

published between 1989 <strong>and</strong> 1998. In<br />

the 16 articles found for these two populati<strong>on</strong>s<br />

during the time frame, Butler et al. found a<br />

shift in instructi<strong>on</strong>al focus from a curriculum<br />

based <strong>on</strong> basic skills (e.g., numeracy, mathematical<br />

symbols, equality, etc.) to a focus <strong>on</strong><br />

computati<strong>on</strong>al fluency <strong>and</strong> mathematical<br />

problem solving (e.g., tasks involving organizati<strong>on</strong><br />

<strong>and</strong> analysis of informati<strong>on</strong>). Further,<br />

Butler et al. noted the increased attenti<strong>on</strong> to<br />

developing students’ procedural <strong>and</strong> c<strong>on</strong>ceptual<br />

underst<strong>and</strong>ing, such as research supporting<br />

teaching students with mild-to-moderate<br />

intellectual disability through use of strategy<br />

instructi<strong>on</strong> for problem solving, self-regulati<strong>on</strong>,<br />

<strong>and</strong> the c<strong>on</strong>crete-semic<strong>on</strong>crete-abstract<br />

teaching sequence. The shift in instructi<strong>on</strong>al<br />

methods coincided with recommendati<strong>on</strong>s for<br />

shifting emphasis in mathematics educati<strong>on</strong><br />

in general, as supported by the Nati<strong>on</strong>al<br />

Council of Teachers of Mathematics (1989) as<br />

well as supported the positi<strong>on</strong> of researchers<br />

in special educati<strong>on</strong> who called for greater<br />

attenti<strong>on</strong> to problem-solving <strong>and</strong> the development<br />

of c<strong>on</strong>ceptual underst<strong>and</strong>ing (e.g., Jitendra<br />

& Xin, 1997; Woodward & Howard, 1994).<br />

The shifting emphasis of instructi<strong>on</strong>al<br />

methods for students with intellectual disability<br />

also aligned with research suggesting students<br />

with MID may possess strengths in mathematics<br />

regarding higher level thinking skills,<br />

such as the ability to create <strong>and</strong> maintain strategies,<br />

utilize metacognitive skills, <strong>and</strong> develop<br />

at least some levels of c<strong>on</strong>ceptual underst<strong>and</strong>ing<br />

of mathematical relati<strong>on</strong>ships <strong>on</strong> an abstract<br />

level (Baroody, 1996; Erez & Peled,<br />

2001). In a group study including twenty-four<br />

elementary, middle, <strong>and</strong> high school students<br />

with mild-to-moderate intellectual disability,<br />

some students were able to independently create<br />

more efficient strategies (e.g., short-cuts<br />

such as “counting <strong>on</strong>”) after receiving explicit<br />

instructi<strong>on</strong> for less efficient, more time-c<strong>on</strong>suming<br />

strategies (e.g., “counting all”) when<br />

working <strong>on</strong> single digit additi<strong>on</strong> problems<br />

(Baroody). Erez <strong>and</strong> Peled also found some<br />

middle <strong>and</strong> high school students with mild-tomoderate<br />

intellectual disability used metacognitive<br />

skills, such as reexamining choices<br />

made during problem solving processes <strong>and</strong><br />

basing future acti<strong>on</strong>s up<strong>on</strong> these reflecti<strong>on</strong>s,<br />

to solve additi<strong>on</strong> word problems. Some of<br />

these students also independently developed<br />

an underst<strong>and</strong>ing of the structure of these<br />

problems <strong>and</strong> the abstract mathematical relati<strong>on</strong>ships<br />

within the problems (e.g., part-partwhole)<br />

(Erez & Peled).<br />

While schools are expected to prepare students<br />

with MID for daily resp<strong>on</strong>sibilities <strong>on</strong>ce<br />

they leave K-12 educati<strong>on</strong>, students with MID<br />

also need a variety mathematical skills to meet<br />

dem<strong>and</strong>s placed up<strong>on</strong> them by educati<strong>on</strong>al laws<br />

(i.e., IDEA, 2004; NCLB, 2002) <strong>and</strong> high school<br />

graduati<strong>on</strong> requirements (Teuscher et al.,<br />

2008). Students with disabilities, including students<br />

with mild intellectual disability, need access<br />

to opportunities to develop c<strong>on</strong>ceptual underst<strong>and</strong>ing<br />

for success with more complex<br />

mathematics in middle school, high school, <strong>and</strong><br />

post-sec<strong>on</strong>dary educati<strong>on</strong> (Lesh et al., 1988;<br />

Vergnaud, 1983; Woodward & M<strong>on</strong>tague,<br />

2002). While Butler et al. (2001) indicated students<br />

with MID were receiving instructi<strong>on</strong> more<br />

rooted in mathematical c<strong>on</strong>cepts than in previous<br />

years, the questi<strong>on</strong> remains regarding<br />

whether students with MID c<strong>on</strong>tinued to receive<br />

instructi<strong>on</strong> needed to develop the foundati<strong>on</strong> in<br />

mathematics for success when c<strong>on</strong>sidering both<br />

procedural <strong>and</strong> c<strong>on</strong>ceptual underst<strong>and</strong>ing. The<br />

specific research questi<strong>on</strong> for this study is: What<br />

is the nature of the academic instructi<strong>on</strong> the<br />

students with MID have received in mathematics<br />

in the past 11 years?<br />

Method<br />

A systematic review of the literature was completed<br />

of academic mathematics interventi<strong>on</strong>s<br />

for students with MID from 1999 to 2010. The<br />

researchers chose this period of time as Butler<br />

et al. (2001) reviewed research <strong>on</strong> this topic<br />

through 1998 <strong>and</strong> multiple reforms impacting<br />

mathematics educati<strong>on</strong> occurred in the last<br />

decade (e.g., Comm<strong>on</strong> Core St<strong>and</strong>ards, 2010;<br />

IDEA, 2004; NCTM, 2000). Studies were in-<br />

Mathematics <strong>and</strong> Students with MID / 391

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