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Systems and Control
Problem:
The learners in Gr.4 at _______ Primary School experience problems in learning their tables in Mathematics.
Design brief:
Design or make a solution for this problem.
Market research
Ask each of the following questions to at least ten Grade 4’s.
A.
| Names of learners who participated in the survey | Gr.4 | Do youYes | Know your? | Tables?No |
| 1. | ||||
| 2. | ||||
| 3. | ||||
| 4. | ||||
| 5. | ||||
| 6. | ||||
| 7. | ||||
| 8. | ||||
| 9. | ||||
| 10. |
B.
| Is it important to know your tables well? | Yes | Don’t know | No |
| 1. | |||
| 2. | |||
| 3. | |||
| 4. | |||
| 5. | |||
| 6. | |||
| 7. | |||
| 8. | |||
| 9. | |||
| 10. |
C.
| How do you learn your tables? Which method suits you best? Make a tick in the appropriate column indicated by the learner’s number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Parents or relatives ask tables | ||||||||||
| Write a tables test in class every day | ||||||||||
| Regularly play tables games (non-electronic, e.g. cards) | ||||||||||
| Errors are written out | ||||||||||
| Regularly play electronic computer games | ||||||||||
| Other |
D. Write down a few reasons why a solution to this problem will have a positive effect on the lives of Grade 4 learners.
Possible solutions to the problem.
Design specifications and limitations
People (age/market):____________
Purpose: ______________
Appearance: Colour:
Form:
Function:
Impact on environment – made where?
- used where?
Safety measures during making:
During use:
Design proposal
I am going to design and make a ______________ (what) for _____________________
(whom) so that they will know their ___________ better (objective) and apply the knowledge in ____________where).
Cost of material used for electric circuit:
Isolation board
Bulb
Bulb socket
Battery (9V)
Battery connector
Screws
Resistor
Buzzer
Connectors
Isolation wire
Washers
Split pins
Cost of material used for container:
Cardboard
Isolation wire
Split pins
Cost of manufacturing
Selling price
Profit
Time allocation for design and making of game
| Date | |||||||||||
| Problem and market research | |||||||||||
| INVESTIGATION: | |||||||||||
| Limitations, specifications and design proposal | |||||||||||
| DESIGN: Initial ideas | |||||||||||
| Design | |||||||||||
| MAKING: Selection of materials and tools | |||||||||||
| Making of component | |||||||||||
| Description of process | |||||||||||
| EVALUATION: Sketch of product | |||||||||||
| Evaluation of product | |||||||||||
| Composition of project portfolio |
Investigate at least 3 different electronic games and complete each column of at least 5 different factors of design.
| Game1 | Game2 | Game3 | ||
| Nr. | Name of game | |||
| 1 | Sketch of appearance ShapeColour | |||
| 2 | Size | |||
| 3 | Control | |||
| 4 | Cost and is it affordable for all the groups in the community? | |||
| 5 | Durability | |||
| 6 | Amount of games | |||
| 7 | Purpose | |||
| 8 | Materials used and do they benefit or are they to a disadvantage to the environment. |
| 9 | For what age group and what influence does it have on them? | |||
| 10 | Power source |
SOURCES:
Game 1:
Game 2:
Game 3:
Investigation
| 4Gather relevant information accurately and thoroughly | 3Gather sufficient information | 2Gather limited information | 1Gather little information |
Teacher: _______________Date: ___________________
Comment: ________________
Parent or Guardian: _______________
Comment: ____________________
| Learning Outcomes(LOs) |
| LO 1 |
| TECHNOLOGICAL PROCESSES AND SKILLSThe learner will be able to apply technological processes and skills ethically and responsibly using appropriate information and communication technologies. |
| Assessment Standards(ASs) |
| We know this when the learner: |
| investigates : |
| 1.1 investigates the background context, the nature of the need, the environmental situation, and the people concerned when given a problem, need or opportunity set in a local context; |
| 1.2 examines existing products relevant to a problem, situation or need. |
| 1.3 investigates by performing simple practical tests relating to aspects of the technological knowledge areas (Structures, Processing, and Systems and Control); |
| 1.4 during investigations, plans a strategy for collecting data and information. |
| design : |
| 1.5 writes or communicates a short and clear statement or a design brief for the development of a product or system related to a given problem, need or opportunity; |
| 1.6 lists product and design specifications and constraints for a solution to a given problem, need or opportunity. |
| 1.7 generates at least two alternative solutions and annotates the ideas; |
| 1.8 chooses possible solutions, gives sensible reasons for choice, and develops a chosen idea using graphics or modelling techniques; |
| make : |
| 1.9 develops a plan. |
| 1.10 chooses and uses appropriate tools and materials to make products by measuring, marking, cutting or separating, shaping or forming, joining or combining, and finishing different materials with some accuracy; |
| evaluates : |
| 1.12 evaluates the product or system based on criteria linked directly to the design brief and some of the specifications and constraints, and suggests improvements or modifications; |
| 1.13 evaluates the efficiency of the plan of action followed and suggests improving future plans. |
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