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How to Calculate the Least Common Multiple Using a 100 Square - Free Printable

Educational worksheet: How to Calculate the Least Common Multiple Using a 100 Square. Download and print for classroom or home learning activities.

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- The numbers 4, 8, 9, 12, 16, 18, 20, 24, 27, 28, 32, 36, 40, 44, 45, 48, 52, 54, 56, 57, 60, 63, 64, 68, 72, 76, 80, 81, 84, 85, 86, 88, 89, 90, 92, 96, 99, 100 are shaded.
- These are all composite numbers (positive integers greater than 1 that are not prime).
- The unshaded numbers (1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 87, 97) include 1 and all prime numbers up to 100.
- The task is to identify and shade all composite numbers in the grid from 1 to 100.

Parent Tip: Review the logic above to help your child master the concept of common multiples chart.

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(view all common multiples chart)

How to Calculate the Least Common Multiple Using a 100 Square