Page 14 - Mahir PBD KSSR Year 6 - Maths

Mathematics Year 6 Unit 2 Fractions, Decimals and Percentages

Performance Level (PL) Achieved Not yet achieved
PL 2: Explain steps in solving number sentences of basic operations and
mixed operations, with and without brackets.
PL 3: Solve basic operations and mixed operations number sentences
and justify answer.

13. Solve each of the following. LS 2.4.1 PL 2 PL 3
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4
(a) 4 × 0.59 + 3 = (b) 2 9 – 18 × 0.054 =
5 10
Lakukan operasi darab terlebih dahulu Lakukan operasi darab terlebih dahulu
diikuti operasi tambah. diikuti operasi tolak.
4 × 0.59 + 3 4 2 9 – 18 × 0.054
5 10
= 4 × 0.59 + 3.8 = 2.9 – 18 × 0.054
= 2.36 + 3.8 = 2.9 – 0.972
= 6.16 = 1.928

1
3
(c) 12 ÷ 5 + 71.29 = (d) 318.9 ÷ 3 − 17 =
2 4
Lakukan operasi bahagi terlebih dahulu Lakukan operasi bahagi terlebih dahulu
diikuti operasi tambah. diikuti operasi tolak.
1
3
12 ÷ 5 + 71.29 318.9 ÷ 3 – 17
2 4
= 12.5 ÷ 5 + 71.29 = 318.9 ÷ 3 – 17.75
= 2.5 + 71.29 = 106.3 – 17.75
= 73.79 = 88.55

2
2
(e) 1 2 + 9 × 0.69 = (f) 1 15.497 − 5 5 2 ÷ 0.8 =
8
5
Lakukan operasi di dalam kurungan Lakukan operasi di dalam kurungan
dahulu. dahulu.
2
2
1 2 + 9 × 0.69 1 15.497 – 5 5 2 ÷ 0.8
5
8
= (2.4 + 9) × 0.69 = (15.497 – 5.625) ÷ 0.8
= 11.4 × 0.69 = 9.872 ÷ 0.8
= 7.866 = 98.72 ÷ 8
= 12.34

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02 Mahir Math Yr6 (2022).indd 39 01/03/2022 2:31 PM