Long MultiplicationTwo-digit by two-digit, laid out so nothing gets lost.4th GradeYou are doing two multiplications and adding them. The layout keeps track of which is which.1MULTIPLY BY THE ONESTake the ones digit of the bottom number times the whole topnumber.2WRITE A PLACEHOLDER ZEROOn the next line, put a 0 in the ones column. Do this beforeanything else.3MULTIPLY BY THE TENSNow the tens digit times the whole top number, starting fromthat zero.4ADD THE TWO LINESColumn addition, carrying as normal.WORKED: 34 × 2634 × 6 = 20434 × 20 = 680 (the 0 first, then 34 × 2)204 + 680 = 884The zero is not decoration. It is there because you are multiplyingby 20, not by 2.Long Multiplicationwww.littleactivity.com

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Math · 4th Grade

Long Multiplication

Two-digit by two-digit, laid out so nothing gets lost.

How to use it

The placeholder zero is where every mistake happens. Write it first, before multiplying.

Free · print-ready PDF · US Letter and A4

Grade
4th Grade
Ages
9–10
Subject
Math
Pages
1

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