Mathematics - Multiplication - Multi-digit multiplication - Partial Products Method

Walk through 34×5 in 6 steps: (1) Break 34 into 30+4. (2) Multiply each part: 30×5=150, 4×5=20. (3) Add partial products: 150+20=170. (4) Show this vertically with the standard algorithm: 5×4=20, write 0 carry 2. 5×3=15, plus 2=17, write 17. Answer: 170. (5) Now 2-digit × 2-digit: 23×14. Break into:

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Mathematics - Multiplication - Multi-digit multiplication - Partial Products Method
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Mathematics - Multiplication - Multi-digit multiplication - Partial Products Method

vivmagarwal
vivmagarwalJan 29, 2026

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Walk through 34×5 in 6 steps: (1) Break 34 into 30+4. (2) Multiply each part: 30×5=150, 4×5=20. (3) Add partial products: 150+20=170. (4) Show this vertically with the standard algorithm: 5×4=20, write 0 carry 2. 5×3=15, plus 2=17, write 17. Answer: 170. (5) Now 2-digit × 2-digit: 23×14. Break into:

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MathematicsMultiplicationStage 4, Class 4, Class 4, PYP Grade 4, Grade 4

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