Here are some free printable addition and subtraction worksheets for 1st grade:
Addition Worksheets
1. Single digit addition:
* [Click here to download](https://www.teacherfiles.com/math/grade1/addition/single-digit-addition-1.pdf)
* [Click here to download](https://www.math-drills.com/1st-grade-addition-flash-cards.pdf)
2. Word problem addition:
* [Click here to download](https://www.k5learning.com/free-printable-1st-grade-addition-worksheets.pdf)
* [Click here to download](https://www.superteacherworksheets.com/1st-grade-addition-worksheets.html)
3. Addition with pictures:
* [Click here to download](https://www.mathgoodies.com/pdfs/1st-grade-addition-with-pictures.pdf)
* [Click here to download](https://www.k4learning.com/addition-with-pictures-1st-grade-worksheets-pdf-free.html)
Subtraction Worksheets
1. Single digit subtraction:
* [Click here to download](https://www.teacherfiles.com/math/grade1/subtraction/single-digit-subtraction-1.pdf)
* [Click here to download](https://www.math-drills.com/1st-grade-subtraction-flash-cards.pdf)
2. Word problem subtraction:
* [Click here to download](https://www.k5learning.com/free-printable-1st-grade-subtraction-worksheets.pdf)
* [Click here to download](https://www.superteacherworksheets.com/1st-grade-subtraction-worksheets.html)
3. Subtraction with pictures:
* [Click here to download](https://www.mathgoodies.com/pdfs/1st-grade-subtraction-with-pictures.pdf)
* [Click here to download](https://www.k4learning.com/subtraction-with-pictures-1st-grade-worksheets-pdf-free.html)
Combination Addition and Subtraction Worksheets
1. Mixed addition and subtraction:
* [Click here to download](https://www.teacherfiles.com/math/grade1/combination-mixed-addition-subtraction-1.pdf)
* [Click here to download](https://www.math-drills.com/1st-grade-mixed-addition-subtraction-flasht-cards.pdf)
Remember to always select worksheets that are suitable for your child's skill level and to provide guidance and support as needed.