Here are some free printable number addition worksheets for kindergarten and grade 1:
Kindergarten Addition Worksheets
1. Adding 1-5 (0-5)
Printable Add 1 worksheet for kindergarten: [https://www.kindergartenworksheets.com/printable-add-1-worksheets/](https://www.kindergartenworksheets.com/printable-add-1-worksheets/)
2. Counting Blocks (1-5)
Free addition worksheet with counting blocks: [https://www.preschoolprintables.com/worksheets/numbers/num-add-1-5.html](https://www.preschoolprintables.com/worksheets/numbers/num-add-1-5.html)
3. Basic Addition (1-3)
Printable addition worksheet for kindergarten: [https://www.kidslearncolor.com/worksheets/basic-addition-wor](https://www.kidslearncolor.com/worksheets/basic-addition-worksheet-for-kindergarten)
Grade 1 Addition Worksheets
1. Adding 0-10
Free printable addition worksheet for grade 1: [https://wwwWorksheet.net/grades/1st-grade/adding-0-10](https://wwwWorksheet.net/grades/1st-grade/adding-0-10)
2. Addition with Pictures (0-10)
Printable addition worksheet with pictures: [https://www.Math-Drills.com/grade-1/adding-with-pictures.htm](https://www.Math-Drills.com/grade-1/adding-with-pictures.htm)
3. Mix-and-Match Addition (0-10)
Free mixed addition worksheet for grade 1: [https://wwwWorksheet.net/grades/1st-grade/mix-and-match-addition](https://wwwWorksheet.net/grades/1st-grade/mix-and-match-addition)
Some popular websites for free printable math worksheets:
* Kindergarten Worksheets: [https://www.kindergartenworksheets.com/](https://www.kindergartenworksheets.com/)
* Preschool Printables: [https://www.preschoolprintables.com/](https://www.preschoolprintables.com/)
* Kids Learn Color: [https://www.kidslearncolor.com/](https://www.kidslearncolor.com/)
* Worksheet.net: [https://www.Worksheet.net/](https://www.Worksheet.net/)
* Math-Drills.com: [https://www.Math-Drills.com/](https://www.Math-Drills.com/)
Remember to always review and adjust the worksheets according to your child's needs and abilities.