Assalamualaikum semua..
Hari ini saya nak berkongsi cara mudah untuk menyelesaikan soalan matematik. Kaedah ni cikgu math saya yang ajar semasa pergi kem REDS(mentor). Semoga kaedah ini dapat memudahkan para pembaca untuk menyelesaikan soalan math. Lagi satu tips kita kena 'mind set' yang soalan matematik ni mudah, barulah senang nak jawab. Ni tak semua suka letak 'mind set' yang matematik ni susah, jadi susahlah soalan tu.
Okay, what should we do is:
1-Understand the problem
Hari ini saya nak berkongsi cara mudah untuk menyelesaikan soalan matematik. Kaedah ni cikgu math saya yang ajar semasa pergi kem REDS(mentor). Semoga kaedah ini dapat memudahkan para pembaca untuk menyelesaikan soalan math. Lagi satu tips kita kena 'mind set' yang soalan matematik ni mudah, barulah senang nak jawab. Ni tak semua suka letak 'mind set' yang matematik ni susah, jadi susahlah soalan tu.
Okay, what should we do is:
You should ask a question :
- Do you understand all the words given?
- What are you asked to find/show?(underline the keyword)
- Can you restate the problem in your own words ?
- Think about a picture/diagram that might help solve the problem.
- Is there enough information to enable you to solve the problems?
- Look for a pattern
- Remember related problem
- Make a table
3-Carry out a plan(calculation)
- Implement strategy in step 2
- Check each step
4-Looking back
- Check the result
- Try solve the problem with different way
Let's give an example.. so you guys can understand that 4 steps.
1) A rectangular garden has a width that is 8 feet less than twice the length. Find the dimensions if the perimeter is 20 feet.
Solution :
Step 1: Understand the problem
- The question ask for dimensions that mean the measurement of the rectangle.
- Draw a picture that is Rectangle. So, it will help you more.
Width=W Length=L |
- A width that is 8 feet less than twice than the length(2L-8=W)
- Perimeter is 20 feet (P=20) (2L+2W=20)
Step 2:Devise a plan
- 2L+2W=20
- W=2L-8
- 2L+2(2L-8)=20
Step 3:Carry out a plan
- 20 = 2L+2(2L-8)
- 20 = 2L+4L-16
- 20+16 = 6L
- 36 = 6L
- 36/6 = L
- L = 6
Step 4:Look back
- Length = 6
- Width = 2(6)-8 =4
- Perimeter = 2L+2W =20
- Perimeter = 6+6+4+4 = 20
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