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E:\Working\Focus_Learning\Math_Genius_3_(11-09-2024)\Open_Files\Answers
\ 11-Sep-2024 Sonia Suyal Proof-3 Reader’s Sign _______________________ Date __________
4. (a) 4705 (b) 8880 (c) 9856 Mental Maths
5. 3996 bicycles 6. 1629 marbles 7. 9898
8. 5286 people 9. `4000 10. 7492 1. 3 × 3 = 9 2. 8 × 9 = 72
Brain Sizzlers
× × × × ×
1. H T O 2. + – = 20
100 15 10 10 = 2 × 5
5 1 5
– 3 5 7 = = = = =
300 45 × 90 = 4050
1 5 8 80 360
Chapter 4. Multiplication Chapter Assessment
1. (a) (i) (b) (ii)
Let's Recall 2. (a) 9 (b) 0 (c) 0 (d) 0 (e) 5
1. (f) 1 (g) 7 (h) 4 (i) 7
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 4. (a) 72 (b) 1541 (c) 2628 (d) 3478 (e) 7902
5. (a) 8245 people (b) `250 (c) 4584 (d) 252
4 × 3 = 12 4 times 3 is 12
2. (a) 5 × 22 = 110 (b) 5 × 31 = 155 Brain Sizzlers
3. (a) 16 (b) 156 (c) 150 (d) 276 1. × 3 5 6 2. × 5 6 3
Quick Check
1. Multiplicand 2. Multiplier 3. Product 9 27 45 54 9 45 54 27
Practice Time 4A 8 24 40 48 4 20 24 12
1. Multiplicand Multiplier Product 7 21 35 42 2 10 12 6
(a) 3 2 6
(b) 4 4 16 Chapter 5. Division
(c) 10 5 50 Let's Recall
2. (a) 10 ÷ 5 = 2 (b) 18 ÷ 3 = 6 (c) 20 ÷ 4 = 5
2. (a) 12 (b) 27 (c) 10 (d) 2 (e) 10
3. (a) 5 (b) 7
× 4 × 7 × 9 Practice Time 5A
40 14 90 1. (a) 12 ÷ 2 = 6 (b) 18 ÷ 6 = 3
2. (a) 15 ÷ 3 = 5 (b) 20 ÷ 5 = 4 (c) 36 ÷ 6 = 6
Practice Time 4B 3. (a) 9 (b) 9 (c) 7 (d) 5
1. 68 2. 88 3. 90 4. 466 4. (a) 8 (b) 5 (c) 4 (d) 5
5. 369 6. 453 7. 966 8. 848 (e) 6 (f) 9 (g) 3 (h) 5
Practice Time 4C Quick Check
1. (a) 792 (b) 504 (c) 5552 (d) 2136 One (49 ÷ 7 = 7)
2. (a) 664 (b) 462 (c) 610 (d) 684 (e) 1630 (f) 3822 Think and Answer
Practice Time 4D
1. (a) 714 (b) 1764 (c) 1288 (d) 4672 (e) 2448 (f) 7546 Dividend Divisor Quotient Division Fact
(g) 9288 (h) 7371 1. 32 4 8 32 ÷ 4 = 8
2. (a) 308 (b) 496 (c) 3796 (d) 1856 (e) 2808 (f) 8184 2. 63 7 9 63 ÷ 7 = 9
(g) 7308 (h) 8030
3. (a) 231 (b) 336 (c) 496 3. 30 3 10 30 ÷ 3 = 10
Think and Answer 4. 56 4 14 56 ÷ 4 = 14
10 and 1000 5. 60 5 12 60 ÷ 5 = 12
Practice Time 4E Practice Time 5B
1. (a) 100 (b) 600 (c) 500 (d) 700 (e) 8 (f) 660 1. (a) 4 × 8 = 32 (b) 9 × 6 = 54 (c) 7 × 8 = 56
(g) 100 (h) 40 (i) 6 32 ÷ 8 = 4 54 ÷ 6 = 9 56 ÷ 8 = 7
2. (a) 864 (b) 445 (c) 144 (d) 504 (e) 512 (f) 492 32 ÷ 4 = 8 54 ÷ 9 = 6 56 ÷ 7 = 8
3. (a) 500 (b) 160 (c) 360 (d) 1200 (e) 1240 (f) 800 2. (a) 8 × 5 = 40 (b) 4 × 11 = 44 (c) 6 × 8 = 48
4. (a) 14000 (b) 8000 (c) 8100 (d) 3800 (e) 9300 (f) 1700 3. Multiplication facts Division facts
Practice Time 4F (a) 3 × 4 = 12 12 ÷ 4 = 3
1. (a) 1 (b) 28 (c) 6 (d) 39 (e) 0 (f) 0 4 × 3 = 12 12 ÷ 3 = 4
50 ÷ 10 = 5
(b) 5 × 10 = 50
2. (a) 112, 112 (b) 371, 371 (c) 672, 672 (d) 280, 280 10 × 5 = 50 50 ÷ 5 = 10
3. (a) 1200 (b) 300 (c) 1800 (d) 1200 (e) 1200 (f) 800 (c) 5 × 7 = 35 35 ÷ 7 = 5
(g) 1400 (h) 1000 7 × 5 = 35 35 ÷ 5 = 7
Practice Time 4G (d) 5 × 8 = 40 40 ÷ 8 = 5
1. `1150 2. 3650 3. 4416 4. 4860 5. 3216 6. `5950 8 × 5 = 40 40 ÷ 5 = 8
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