Page 3 - Praktis Hebat PT3 2022 - Tg 1 Matematik
P. 3

PRAKTIS PT3            Nombor Nisbah
                   1
                                      Rational Numbers




                                                                                                    BUKU TEKS
                                                                                                     m.s. 1 – 29
                  Penerbitan Pelangi Sdn Bhd. All Rights Reserved.
                  1.  Hukum kalis tukar tertib / Commutative law  2.  Hukum kalis sekutuan / Associative law
                     a + b = b + a                                 (a + b) + c = a + (b + c)
                     a × b = b × a                                 (a × b) × c = a × (b × c)
                  3.  Hukum kalis agihan / Distributive law     4.  Hukum identiti / Identity law
                     a × (b + c) = a × b + a × c                   a + 0 = a   a + (–a) = 0      1
                     a × (b – c) = a × b – a × c                   a × 0 = 0   a × 1 = a     a ×   = 1
                                                                                                 a

                 Bahagian     A


                                                                          1
                  1.  Rajah  di  bawah  menunjukkan  beberapa  kad   A  –               C  –   1
 10pt =   1          nombor.                                              3                   2
 2                   The diagram shows same numbered cards.               1                   2
 1                                                                   B  –               D  –
 9pt =                                       2                            4                   3
 2                            52 1.98 –74       –0.3
                                             5                    5.         8 × 12 + 8 × 20 + 8 × (–2)
                             –   6  480  5 4  –31  20.2                      = 8 × (12 + 20 – 2)
                               5        7                                    = 8 × 30

                     Antara  yang  berikut,  nombor  yang  manakah           = 240
                     merupakan integer?  TP2                         Antara yang berikut, hukum operasi aritmetik
                     Which of the following numbers are integers?    yang manakah digunakan dalam pengiraan di
                                                 6
                     A  52, –74, 480, –31  C   2 , –  , 5 4          atas?  TP1
                                            5
                                                 4
                                                     7
                     B  52, 1.98, 480, 20.2  D  –74, –0.3, –31       Which of the following arithmetic law of operations,
                                                                     is used in the computation above?
                  2.  Antara yang berikut, perpuluhan yang manakah   A  Hukum Kalis Tukar Tertib
                     disusun dalam tertib menaik?  TP2                  Commutative Law
                     Which  of  the  following  decimals  are arranged in   B  Hukum Identiti
                     ascending order?                                   Idenitiy Law
                     A  4.009, 0.4, 0.04   C  4.009, 0.04, 0.4       C  Hukum Kalis Agihan
                     B  0.04, 0.4, 4.009   D  0.4, 0.04, 4.009          Distributive Law
                                                                     D  Hukum Kalis Sekutuan
                                 7
 1.               3.            3       – 5    3.5                      Associative Law
                                 9
 PT3                                                              6.
 2019                Antara yang berikut, yang manakah  hasil                              1
                     daripada  tertib  operasi  bergabung  itu                (6 – 12) × 5 + 2  ÷ 2.5
                                                                                           4
                     menghasilkan nilai yang terbesar?  TP3
                     Which of the following combined operation order   Antara  yang  berikut,  yang manakah  langkah
                     gives the largest value?                        pengiraan yang betul bagi operasi di atas?  TP3
                     A  –, –            C  +, +                      Which of the following  is the correct step of
                                                                     calculation for the operation above?
                     B  –, +            D  +, –
                                                                              1
                                                                                  2
                                                                     A  –6 × 7  ×
                  4.  Antara  yang  berikut,  yang manakah  nilainya          4   5
                     kurang daripada –   7  ?  TP1                   B  6 – 60 + 2.25 ÷ 2.5
                                     12                7             C  30 + 2.25 ÷ 2.5
                     Which of the following values is less than –   ?           9   2
                                                      12             D  –6 × 5 +   ×
                                                                                4   5
                                                             1                         © Penerbitan Pelangi Sdn. Bhd.






         01 Hebat PT3 Mate T1_2022.indd   1                                                           16/02/2022   11:31 AM
   1   2   3   4   5   6   7   8