Page 12 - Syok Praktis PBD (2023) Mathematics TH3

ANSWERS

Practice 15. (a) Increasing by hundreds, M = 3 030, N = 3 130
1 Numbers up to 10 000 (b) Decreasing by sevens, S = 7 093, T = 7 079
(c) Increasing by thousands, W = 1 583, X = 2 583
1. (a) 6 700 (b) 3 412 (c) 9 308 16. (a) 1 344, 1 354 , 1 364, 1 374 , 1 384, 1 394
(d) 2 002 (e) 7 816
2. 7 234 (C) (b) 8 286 , 7 286, 6 286 , 5 286, 4 286 , 3 286
1 059 (B) 17. (a) 1 014
6 103 (D) (b) 2 600
4 896 (E) (c) The warehouse does not have enough empty
2 517 (A) containers for Mr Lee. 4 080 is less than 4 600.
3. (a) 3 096 (b) 1 540 (c) 6 040 (d) 5 553
4. (a) Four thousand two hundred and five Formative Practice 1
(b) Six thousand seven hundred and eleven
(c) Two thousand six hundred and thirty-eight
(d) Eight thousand one hundred and sixty-five A
5. (a) 1. C 2. A 3. B 4. C 5. C
Place value Digit value 6. C 7. B 8. A
ones 8
B
hundreds 200
1. (a) 2 479
tens 30 (b) Two thousand four hundred and seventy-nine
thousands 4 000 2. (a) 8 089
(b) 8 094, 8 099, 8 104
(b) Place value Digit value 3. (a) 6 395 and 6 593
hundreds 0 (b) 6 000
thousands 7 000 Practice
tens 50 2 Addition, Subtraction, Multiplication and Division
ones 6
1. (a) 4 350 + 1 425 = 5 775
6. (a) hundreds (b) 3 000 (c) ones (b) 2 543 + 5 405 = 7 948
(d) 40 (e) thousands (f) 800
2. (a) 5 077 (b) 6 294 (c) 2 589 (d) 5 781
7. (a) 5 thousands + 6 hundreds + 4 tens + 3 ones 3. (a) 4 236 − 2 115 = 2 121
(b) 7 thousands + 2 hundreds + 9 tens
(b) 3 478 − 2 253 = 1 225
8. (a) 8 000 + 300 + 10 + 6 4. (a) 5 122 (b) 2 025 (c) 4 023 (d) 1 505
(b) 4 000 + 20 + 9 5. (a) 2 362
9. (a) 5 617 (b) 8 083 (c) 2 499 (d) 6 661 (b) 5 255
10. (a) L = 4 007, M = 3 225, N = 4 123 6. (a) 8 973; 5 124; 3 849; 8 973
Ascending order: M, L, N (b) 773; 2 238; 1 465; 773
(b) P = 5 113, Q = 4 220, R = 5 116 (c) 846; 1 568; 254; 976; 846
Descending order: R, P, Q 7. (a) 7 144 (b) 711 (c) 1 681
11. (a) 4 719, 4 713, 4 707, 4 701 8. (a) some pens; 35 + = 74
(b) 2 068, 3 068, 4 068, 5 068 (b) some rotten eggs; 30 − = 26
(c) 7 319, 7 309, 7 299, 7 289
9. (a) 369 (b) 2 872 (c) 742
12. (a) 9 236, 9 136, 9 036 , 8 936 , 8 836, 8 736 (d) 7 280 (e) 8 352 (f) 5 200
(b) 1 804 , 2 804, 3 804 , 4 804, 5 804 , 6 804 10. (a) 38 × 100 = 3 800
(c) 5 650, 5 660 , 5 670, 5 680 , 5 690, 5 700
9 × 100 = 900
(d) 2 873 , 2 878, 2 883, 2 888 , 2 893 , 2 898 60 × 100 = 6 000
(e) 8 578, 8 571 , 8 564 , 8 557 , 8 550, 8 543 14 × 100 = 1 400
13. (a) less than
(b) more than (b) 7 × 1 000 = 7 000
(c) less than 5 × 1 000 = 5 000
(d) 300 ml 2 × 1 000 = 2 000
14. (a) (i) 2 500 (ii) 4 800 (iii) 8 000
(b) (i) 9 000 (ii) 1 000 (iii) 8 000 4 × 1 000 = 4 000

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12 Answers.indd 1 15/09/2022 12:27 PM