DrillGrades 3 to 4Grades 5 to 6
Multiplication facts worksheets
Times-table drills: one table, a range of tables, squares or anchor facts, in order or shuffled.
Harder GCF and LCM mixed practice
Each problem asks for either the GCF or the LCM of a pair of whole numbers; the GCF pairs go up to 50 and the LCM pairs stop at 20.
What is on this worksheet
Each problem asks for either the GCF or the LCM of a pair of whole numbers; the GCF pairs go up to 50 and the LCM pairs stop at 20.
- Numbers up to: 50
You can change any of these settings above. Press "New problems" for a fresh set with the same settings, or pick Version A to Z to print different sheets for neighboring desks. The answer key always matches.
About greatest common factor and least common multiple
Each problem names a pair of numbers and asks for their greatest common factor (GCF), their least common multiple (LCM), or a mix of the two. Most pairs share a factor bigger than 1, and a few do not, so students meet the answer 1 as well.
The solved example lists the factors or the multiples so students can see where the answer comes from. For the LCM the numbers stop at 20, so the lists stay short.
Printing
US Letter or A4, portrait: choose your paper size above. Print at 100 percent (actual size). Use "Black and white" for the copier, or "Color" for display pages and mini books.
- Greatest common factor of numbers up to 12 worksheets
- Greatest common factor of numbers up to 30 worksheets
- Greatest common factor of numbers up to 50 worksheets
- Greatest common factor of numbers up to 100 worksheets
- Least common multiple of numbers up to 10 worksheets
- Least common multiple of numbers up to 20 worksheets
- Basic GCF and LCM mixed practice
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