Numeracy for Adults with Learning Disabilities: A Focus on Concepts of Time
Abstract
:1. Introduction
1.1. Defining Learning Disabilities
1.2. Numeracy and School Mathematics
1.3. Time, Calendars and the Australian Curriculum
- Awareness of time: understanding a point in time and the language of time;
- Succession of time: the ability to order events and understand concepts such as the past, present, and future;
- Duration of time: the ability to compare and measure the passing of time;
- Measurement of time: reading clocks and calendars, and understanding units of time.
2. Materials and Methods
2.1. Participants and Their Work Settings
Gaining Informed Consent
2.2. Data Analysis
3. Results
3.1. David: The Fast Food Restaurant
Line 1 | David | [checking his watch] Look at that, it is finish time. |
Line 2 | Lorraine | What time is finish time? |
Line 3 | David | 12:30. |
Line 4 | Lorraine | Oh. Is it 12:30 now? |
Line 5 | David | No, it’s a bit early, it’s 12:26 but that’s nearly half past. We get pizza now. |
Transcript A: The Restaurant Observation 1. |
Line 1 | David | It is 11:59, almost 12 O’clock |
Line 2 | Lorraine | So how much time [of the shift] is left? |
Line 3 | David | Oh…Um [tentatively] half an hour? |
Transcript B: The Restaurant, Observation 4. |
Line 1 | David | I walk across the bridge and go down an elevator and she normally just umm… and then I would walk to the Pat Rafter tennis courts and she would pick me up from there |
Line 2 | Lorraine | How long does that take to walk |
Line 3 | David | About an hour, but sometimes I ring her from the train and then I just walk across the bridge and go down an elevator and she picks me up |
Line 4 | Lorraine | How long does that take to walk |
Line 5 | David | Half an hour I reckon |
Transcript C: Interview with David. |
3.2. Ellen: The Office
Line 1 | Lorraine | What are you going to do first? |
Line 2 | Ellen | Well, this sheet [taking the top document from the pile] is for August, the 19th. |
Line 3 | Lorraine | Can you show me where it needs to go in the file? |
Line 4 | Ellen | [Looking through the folder for some time going backwards and forwards searching for a similar sheet.] This is an August one, this is 14th August [Ellen flips the next sheet in the folder] and this next one is 21st [Ellen flips the next sheet in the folder] and then this one is 23rd. |
Line 5 | Lorraine | So, where do you think 19 August goes? |
Line 6 | Ellen | [Flipping the top sheet (the 23rd) back in the folder and pointing to the place between 21 and 23] in here? |
Line 7 | Lorraine | Look at the numbers if it goes there. [Flipping the sheets in the file back to the 14th] say the numbers from here. |
Line 8 | Ellen | [flipping the sheets in the file one by one and reading out the dates] 14, 21, 19, 23. That doesn’t sound right. [counting to herself softly] 14, 15, 16, 17, 18, 19, 20, 21, 22, 23; ah ha, it should be here [pointing to the place between the booking sheets dated 14th and 21st]. |
Transcript D: The Office, Observation 2. |
3.3. The Impact of Participant Understanding of Time on Work Roles
Line 1 | Lisa | What time is it buddy [David]? |
Line 2 | David | [checking his watch] 12:07. |
Line 3 | Lisa | [talking to herself] How many [garlic bread] are left. [3 boxes plus the current one] I had better do one of these |
Line 4 | Lisa completed a box of garlic bread to ensure they finished on time. | |
Transcript E: The Restaurant, Observation 3. |
4. Discussion
Implications for School Curriculum
5. Limitations
6. Conclusions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Participants (Pseudonyms) | Observations | Interviews | |
---|---|---|---|
David | 7 Observations in 7 weeks | 1½ h each | 1. David 2. Lisa (Support worker) |
Ellen | 5 Observations in 3 weeks | 1–2 h each | 1. Ellen 2. Mother |
Code | Subcode Examples | Example | |
---|---|---|---|
Mathematical Knowledge (MK) | MK-s | Succession (time) | Ellen: [Looking at the next booking sheet] That one is for August, that is after July. (Observation 3, Office) |
MK-d | Duration (time) | David: It’s 11:28, nearly 11:30. Lorraine: How much longer do we have? David: Don’t know (Observation 3, Restaurant) | |
MK-m | Measurement (time) | David: [checked his watch] It is 12:10. (Observation 1, Restaurant) | |
MK-c | Capacity | David: See you just fill it up to here [indicating where to fill the tray up to with chips], and then you shake them out [demonstrating how to level the chips in the tray by shaking it back and forth] and then you put the lid on, and you are done [proudly showing completed tray]. Me and [worker 2] have been doing this longer than [worker 1] so we don’t need to use the measuring container anymore, we know how many chips to put in. (Observation 1, Restaurant) | |
MK-mn | Matching numbers | Ellen: [filing documents by matching vehicle registration numbers] I can’t find 494. [finding tab in the folder] Oh there it is, this one goes in there. (Observation 3, Office) | |
Mathematical Dispositions (MD) | MD-i | Initiative | [The two other workers finished putting their chips in trays, but their last trays were not full] David: Why don’t you put the trays together and then you will have one full tray. (Observation 4, Restaurant) |
MD-h | Willingness to help | [A worker had only half filled a tray with chips] David: That isn’t full, you need to fill that all the way to the top first [worker filled tray] David: Now you’ve got it, keep doing that (Observation 5, Restaurant) | |
MD-l | Eagerness to learn | Ellen: I’ve been here 5 years. I’ve done this for 5 years and I just want to learn to do more things (Observation 3, Office) | |
Mathematical Tools (MT) | MT-p | Physical | No codes in the first phase of this study |
MT-r | Representational | Calendar | |
MT-d | Digital | Digital watch | |
Critical Orientation (CO) | CO-md | Making decisions | [A worker asked if it was time to start cleaning up] Lisa: What’s the time David? David: 11:47 Lisa: [to other worker] No, you need to do more chips first (Observation 2, Restaurant) |
CO-re | Recognising errors | [Ellen’s supervisor had filed a booking sheet in the wrong date order in the folder] Ellen: [reading the dates] 24, 29, 27 [pause] that isn’t right! (Observation 1, Office) |
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Gaunt, L. Numeracy for Adults with Learning Disabilities: A Focus on Concepts of Time. Educ. Sci. 2022, 12, 868. https://doi.org/10.3390/educsci12120868
Gaunt L. Numeracy for Adults with Learning Disabilities: A Focus on Concepts of Time. Education Sciences. 2022; 12(12):868. https://doi.org/10.3390/educsci12120868
Chicago/Turabian StyleGaunt, Lorraine. 2022. "Numeracy for Adults with Learning Disabilities: A Focus on Concepts of Time" Education Sciences 12, no. 12: 868. https://doi.org/10.3390/educsci12120868