Page 13 - 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.

12. Solve the following mixed operations. LS 2.4.1 PL 2 PL 3
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3
1
(a) 4 × 0.7 ÷ 2 = (b) 12 ÷ 3 × 1.35 =
2 4
Lakukan operasi dari kiri ke kanan. Lakukan operasi dari kiri ke kanan.
1
3
4 × 0.7 ÷ 2 12 ÷ 3 × 1.35
2 4
= 4.5 × 0.7 ÷ 2 = 12 ÷ 15 × 1.35
= 3.15 ÷ 2 4
= 1.575 4
= 12 × × 1.35
15
= 3.2 × 1.35
= 4.32

3
(c) 18 ÷ 1.6 × 2 7 = (d) 4 × 2.68 ÷ 2.3 =
10 5
Lakukan operasi dari kiri ke kanan. Lakukan operasi dari kiri ke kanan.
3
18 ÷ 1.6 × 2 7 4 × 2.68 ÷ 2.3
10 5
= 18 ÷ 1.6 × 2.7 = 4.6 × 2.68 ÷ 2.3
= 180 ÷ 16 × 2.7 = 12.328 ÷ 2.3
= 11.25 × 2.7 = 123.28 ÷ 23
= 30.375 = 5.36

1
1
(e) 2 × 3.5 ÷ 1.5 = (f) 36 ÷ 3 × 1.24 =
4 5
Lakukan operasi dari kiri ke kanan. Lakukan operasi dari kiri ke kanan.
1
1
2 × 3.5 ÷ 1.5 36 ÷ 3 × 1.24
4 5
= 2.25 × 3.5 ÷ 1.5 = 36 ÷ 3.2 × 1.24
= 7.875 ÷ 1.5 = 360 ÷ 32 × 1.24
= 78.75 ÷ 15 = 11.25 × 1.24
= 5.25 = 13.95

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02 Mahir Math Yr6 (2022).indd 38 01/03/2022 2:31 PM