Exercise 3-1. Simple Long-Multiplication

You can work out each sum in your head (best) or on paper.

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Tap or click the answer-line of any sum and the keyboard will show. You can enter your answer and it will be instantly checked.

Group A

(1)		2	4
	x		8

				✓✕
192

(2)		9	9
	x		9

				✓✕
891

(3)		6	5
	x		4

				✓✕
192

(4)		3	7
	x		7

				✓✕
192

(5)		8	6
	x		6

				✓✕
516

(6)		4	8
	x		7

				✓✕
336

(7)		9	7	5
	x			5

					✓✕
4875

(8)		4	5	2
	x			9

					✓✕
4068

(9)		5	3	1
	x			4

					✓✕
2124

(10)		7	8	5
	x			8

					✓✕
6280

(11)		6	8	7
	x			2

					✓✕
1374

(12)		7	8	5
	x			1

					✓✕
785

(13)		8	8	7
	x			6

					✓✕
5322

(14)		9	8	7
	x			7

					✓✕
6909

(15)		5	5	5
	x			5

					✓✕
2775

(16)		2	4	2
	x			3

					✓✕
726

(17)		1	4	8
	x			9

					✓✕
1332

(18)		3	7	6
	x			2

					✓✕
752

(19)		5	0	0
	x			8

					✓✕
4000

Group B

(1)		7	8	9
	x		4	5

					✓✕
35505

(2)		9	9	9
	x		9	9

					✓✕
98901

(3)		4	7	5
	x		3	4

					✓✕
16150

(4)		3	6	7
	x		7	5

					✓✕
27525

(5)		6	9	8
	x		2	6

					✓✕
18148

(6)		9	8	7
	x		4	6

					✓✕
45402

(7)		7	4	5
	x		3	7

					✓✕
27656

(8)		5	8	7
	x		3	9

					✓✕
22893

(9)		4	8	2
	x		1	9

					✓✕
9158

(10)		3	1	2
	x		8	7

					✓✕
27144

(11)		9	0	0
	x		6	4

					✓✕
57600

(12)		7	0	2
	x		7	6

					✓✕
53352

(13)		3	5	4
	x		3	1

					✓✕
10974

(14)		2	4	8
	x		2	2

					✓✕
5456

(15)		6	7	8
	x		2	4

					✓✕
16272

(16)		1	4	5
	x		4	4

					✓✕
6380

(17)		8	1	7
	x		3	2

					✓✕
26144

(18)		5	2	0
	x		1	5

					✓✕
28600

(19)		4	3	2
	x		5	3

					✓✕
22896

(20)		6	4	3
	x		2	6

					✓✕
16718

(21)		8	3	2
	x		9	9

					✓✕
82368

(22)		4	7	7
	x		3	0

					✓✕
14310

(23)		9	2	2
	x		2	1

					✓✕
19362

(24)		7	7	7
	x		8	8

					✓✕
68376

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