6th Grade Math | Multiplication | Long multiplication | Doctor Genius

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Multiplying: 3 digit numbers with hints [1]

				7	7	4
				3	3	7	×
7 × 4 =					2	8
7 × 70 =				4	9	0
7 × 700 =			4	9	0	0
30 × 4 =				1	2	0
30 × 70 =			2	1	0	0
30 × 700 =		2	1	0	0	0
300 × 4 =								1200
300 × 70 =								21000
300 × 700 =							+	210000
								260838