Here are some free printable simple math worksheets for various grade levels:
Addition and Subtraction
* Preschool (ages 3-4): [Counting Coins Worksheet](https://www.math-drills.com/preschoolmath/coins.html)
* Kindergarten (ages 5-6): [Basic Addition and Subtraction Worksheet](https://www.math-drills.com/kindergartenmath/basics.html)
* Grade 1 (ages 6-7): [Simple Addition and Subtraction Worksheet](https://www.k5learning.com/math-worksheets/grade-1-add-subtract.html)
* Grade 2 (ages 7-8): [Basic Addition and Subtraction with Pictures Worksheet](https://www.thersite.com/second-grade-math-add-subtract.html)
Multiplication and Division
* Grade 2-3: [Multiplication Charts Worksheet](https://www.math-drills.com/grade-2-3/multiplication-math-drills.html)
* Grade 3-4: [Basic Multiplication and Division Worksheet](https://www.k5learning.com/math-worksheets/grade-3-4-mul-div.html)
* Grade 4-5: [Multiplication and Division with Word Problems Worksheet](https://www.thersite.com/fourth-grade-math-mul-div.html)
Miscellaneous
* Grade 1-2: [Counting Blocks Worksheet](https://www.k5learning.com/math-worksheets/grade-k-1-counting-blocks.html)
* Grade 2-3: [Venn Diagrams Worksheet](https://www.math-drills.com/grade-2-3/venn-diagrams-math-drills.html)
* Grade 4-5: [Fraction Worksheet (simple equivalent ratios)](https://www.thersite.com/fourth-grade-math-fra.html)
Other Resources
* [Math Playground](https://www.mathplayground.com/) offers a wide range of interactive math games, puzzles, and worksheets for various grade levels.
* [Khan Academy](https://www.khanacademy.org/) provides a comprehensive math curriculum with video lessons, practice exercises, and printable worksheets for grades K-12.
* [Math Goodies](https://www.mathgoodies.com/) offers interactive math lessons, tutorials, and printable worksheets for grades K-8.
Remember to always review the worksheets with your child to ensure they understand the concepts and to provide additional support if needed.
