Kindergarten uppercase and lowercase letters worksheets

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Uppercase and lowercase letters worksheets for kindergarten: twelve letters to a sheet, each printed in one form with a box on a writing guide for the other. Capital to small and small to capital are separate sheets. Knowing both forms of every letter is a kindergarten reading standard (RF.K.1.d).

Free printable PDF worksheet, aligned to Common Core RF.K.1.d.

Each print is a different sheet with its own answer key. You don't need to sign up.

The kind of letter pairs you'll write

Look at each capital letter. Write its small letter in the box.

D dE eG gH hM mP pX xY y

Each row prints a capital letter and a box. Your child writes the small letter that goes with it. The letters run in alphabet order, and the key gives each pair.

Every print pulls a new set of letters at this level, so a make-up test or a second sibling gets a different mix.

What's on a kindergarten sheet

Every version prints on US Letter or A4, with its answer key on the last page.

How to teach this

Have your child say the letter's name, then write its partner in the box, starting tall letters at the top line and short ones at the dashed line. The pairs that change shape, like A and a, D and d, G and g, Q and q, and R and r, need the most practice. For b and d, go by stroke order: b is the line, then the ball, and d is the ball, then the line. Small to capital is the harder way round for most children, because small letters look more alike, so give it its own day.

Watch for: Writing a small letter as big as its capital. On the writing guide, small letters like a, c and e fit under the dashed middle line. Only the tall ones, like b, d and h, reach the top. Mixing up b and d, or p and q. They are the same shapes facing opposite ways. Go by the order of the strokes: b is the line first, then the ball, and d is the ball first, then the line. Copying the letter shown instead of writing its partner. For C, O and S the partner is the same shape, so the only difference is its size on the guide.

Common questions about kindergarten uppercase and lowercase letters

Which pairs are hardest?
The ones that change shape: A and a, B and b, D and d, E and e, G and g, Q and q, R and r. B and d get mixed up most of all. Pairs like C and c or S and s are easier, but the small one has to be small on the guide.
Capital to small or small to capital first?
Capital to small. Capitals are easier to tell apart, so starting from one gives your child a clear letter to think about. Small to capital asks them to read the trickier shapes first.

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Aligned to Common Core RF.K.1.d. Reviewed by the One more sheet team. Content version 241, updated October 2026.

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