Addition in first grade is less about drilling facts than about collecting a few strategies that make the facts easy. A child who can make ten and knows their doubles can reason out most of what is on this page, which is why those two sheets sit near the front rather than buried behind pages of practice.
The order above is a progression, not a schedule. Skip anything your child already owns, and go back a step whenever a sheet turns into a struggle rather than a stretch. Every worksheet here is a free printable PDF, no account and no signup, and nine of the eleven print in plain black and white if you are running off a class set.
Ten-Frame Addition Worksheet: Red and Yellow Counters
Six ten-frames filled with red and yellow counters, and under each one a blank sentence with three spaces: how many red, how many yellow, how many in all. Splits run from a full frame of 5 and 5 down to 2 and 4, and no total passes 10.
Make Ten Worksheet: Missing Addend Addition, Grade 1
The same frames, but now partly empty and paired with a gap in the middle of the sentence: 6 + ___ = 10, then 3, 8, 1, 5 and 7. The answer is sitting there in the blank squares, waiting to be counted.
Doubles Plus One: First Grade Addition Worksheet
Eight boxes, each pairing a doubles fact with the same fact plus one: 2 + 2 above 2 + 3, all the way up to 9 + 9 above 9 + 10. Sixteen problems, and the pairing is the entire lesson.
Add Three Numbers: First Grade Addition Worksheet
Twelve problems with three addends, every one hiding a pair that makes ten. Some pairs sit together, as in 2 + 8 + 3. Others are split apart, as in 7 + 3 + 6, which is the harder and more useful case.
Add 10 More: First Grade Addition Worksheet
Twelve problems that add ten to numbers ranging from 5 up to 62. The ten sometimes comes first and sometimes second, so a child cannot answer on autopilot.
Vertical Addition Worksheet: Column Math for Grade 1
Twelve familiar facts, from 6 + 4 up to 8 + 8, rewritten the tall way with one number above the other and a rule underneath for the sum.
S'more Addition Worksheet: Camping Math for Grade 1
Twenty-one mixed problems with sums up to 18, framed by a tent, a campfire and a border of pine trees. The facts are deliberately unsorted, so 6 + 4 sits a few lines from 8 + 8.
Hot Air Balloon Color by Sum Addition Worksheet
A striped hot air balloon with a problem in every band, plus clouds, a sun and a basket. The key sets 8 to red, 10 to blue, 12 to yellow and 14 to green, and several friendly doubles turn up to give a child an easy start.
Color by Sum Butterfly Addition Worksheet (Grade 1)
A butterfly with four open wing panels among three daisies, ten problems in all, colored by a key of 6, 8, 12 and 14. Same idea as the balloon, different picture and a fresh set of facts.
Addition Word Problems Worksheet With Pictures
Four word problems in framed panels, each with a picture beside it: a balloon, a fish, a flower and a toy car. Every panel ends with a blank number sentence, and sums reach 13.
First Grade Addition Story Problems Worksheet
The same thinking with no picture to lean on. Four stories in large plain type, apples and birds and stickers and blocks, each followed by a blank number sentence to fill in.
One more thing.
If your kids finish a unit and you're not sure what to do next, my honest advice: don't move on yet. Spend a week mixing these in as warm-ups. Fluency isn't a unit, it's a habit, and the sheet that builds it is usually the one they ask to do again.