Free K–5 Number Sense Worksheets
This adult-facing number sense library groups code-checked worksheets by grade and learning objective. Compare the skill descriptions before printing, use a fixed sample, or open the builder to create an equivalent set.
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Missing Numbers to 20
Complete forward number sequences from 0 to 20, including sequences that begin above 1.
Before, After, and Between Numbers
Identify the number immediately before, after, or between numbers within 20.
Comparing Numbers 1 to 10
Compare written numerals and small sets from 1 to 10 using greater than, less than, and equal ideas.
Ten Frames
Recognize quantities in a ten frame and reason about ways to make 5 and 10.
Comparing Numbers to 100
Compare two-digit numbers by reasoning about tens and ones.
Skip Counting by 5s, 10s, and 100s
Count forward and complete number patterns by 5s, 10s, and 100s.
Factors, Multiples, Prime, and Composite Numbers
Find factor pairs, identify multiples, and classify whole numbers as prime or composite.
Numerical Expressions
Evaluate expressions with parentheses and write numerical expressions from verbal descriptions.
Teaching tips
- Use counters or a number line before moving to symbols alone.
- Ask for a short explanation of how the learner knows which number is greater.
Common mistakes
- Comparing the shape of digits instead of their numerical value.
- Treating a number sequence as memorized words without noticing its structure.