Matematik

Multiplication Steps Calculator

Long Multiplication (with steps)

First number

Second number

🌐

Detailed Guide Coming Soon

We're working on a comprehensive educational guide for the Multiplication Steps Calculator in your language. The content below is shown in English.

Hvad er Multiplication Steps Calculator?

▾

A step-by-step multiplication calculator shows long multiplication with carrying, partial products, and column-by-column working — ideal for learning and checking arithmetic.

PrimeCalcPro provides professional-grade tools trusted by businesses and academics.

Formel

▾

f(x)Multi-digit: (a × 10^m + b) × (c × 10^n + d) = a×c×10^(m+n) + partial products

Variabelbeskrivelse

▾

Symbol	Navn	Enhed	Beskrivelse
a, b, c, d	Individual digits or groups	—	—
P	Partial products	—	—

Sådan Multiplication Steps Calculator

▾

1Multiply each digit of multiplier by each digit of multiplicand
2Shift left one position for each digit of the multiplier
3Add all partial products to get the final answer
4Carry digits when products exceed 9

Løste eksempler

▾

Eksempel 1

Givet:47 × 23

Resultat:47×3=141; 47×20=940; 141+940=1,081

Praktiske anvendelser

▾

🏗️

Mathematics education and tutoring

🔬

Mental arithmetic practice

📊

Understanding number properties

🏥

Early childhood education

Multiplication Shortcuts

▾

Technique	Example
×9: subtract from 10	9×7=63 (10×7−7)
×11: split and add middle	11×36=396 (3,3+6,6)
×25: divide by 4	25×48=1200 (48/4×100)
Squares near 50	52²=(50+2)²=2500+200+4=2704

Ofte stillede spørgsmål

▾

Why break down multiplication into steps?

Mental math, educational understanding, reduces errors. Shows distributive property of multiplication.

What's the lattice method?

Grid-based multiplication: creates boxes for each digit pair. Older, alternative method (less common today).

How do I multiply 23 × 45?

(20+3) × (40+5) = 20×40 + 20×5 + 3×40 + 3×5 = 800 + 100 + 120 + 15 = 1035.

Referencer

›Long multiplication — Khan Academy

Mathematically verified

Reviewed October 2026

Our methodology

Få ugentlige matematiktips

Slut dig til 12.000+ abonnenter, der får lommeregnertips hver uge.

🔒

100% Gratis

Ingen registrering

✓

Præcis

Verificerede formler

⚡

Øjeblikkelig

Resultater med det samme

📱

Mobilvenlig

Alle enheder