Page 81 - Math E. Booklet prim 4 (first term 2025)_Neat

Standard Multiplication Algorithm

How to multiply using Standard Multiplication Algorithm

? Write the numbers vertically with the largest number on top.
? Start by multiplying the Ones x(ones , Tens, the hundreds,

… … … . So, on

21 1 : Multiply 3 x 5 = 15
2 :put 5 and carry up 1 on the digit
875 in tens place (7)

×3 3 : Multiply 3 x 7 = 21 + 1 =22
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4 :put 2 and carry up 2 on the digit
2625 in hundred place (8)

5 : Multiply 3 x 8 = 24 + 2 =26

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