Math Activity: Least Common Multiple

Mathematics Activity, aimed at students in the sixth year of elementary school, with questions about the minimum Common Multiple.

This math activity is available for download as an editable Word template, ready to print to PDF and also the completed activity.

Download this math exercise from:

• Word: Math Activity: Least Common Multiple – Grade 6 – Editable Template
• PDF: Math Activity: Least Common Multiple – Grade 6 – Ready to Print
• Template: Math Activity: Least Common Multiple – Grade 6 – With Answer

SCHOOL: DATE:

PROF: CLASS:

NAME:

Least common multiple

1) By the process of simultaneous decomposition into prime factors, determine the least common multiple of the numbers below:

a) 20, 40, 50 and 200

b) 120, 300 and 450 

c) 90 and 120 

d) 45, 54 and 72 

2) Determine, by decomposing into prime factors, the mmc of the numbers below:

a) 150, 300 and 375 

b) 120, 132 and 20

c) 18, 27 and 45

d) 18, 30 and 48

3) Mentally calculate the mmc of the numbers below:

a) 15 and 45

b) 50 and 100

c) 2 and 6

d) 10 and 20

4) If the mdc of two numbers is 24, the mmc between them is 504, and one of the numbers is 168. Calculate and find out what the other number is.

A:

5) Determine:

a) The common multiples of 15 and 20;

b) Multiples of 15;

c) the smallest common multiple of 15 and 20, excluding zero;

d) The multiples of 20;

6) Calculate the mmc of the numbers below:

By Rosiane Fernandes Silva – Graduated in Letters

At answers are in the link above the header.

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