Give your first grader an extra helping of "math salad," and watch her improve her mental math ability while fine tuning her understanding of basic addition.

First graders will enjoy adding with this colorful fruit- and vegetable-themed worksheet!

This fruit-filled first grade math worksheet offers a healthy dose of mental nutrition!

Track down sneaky number pairs to make 10 in this unique addition worksheet!

The fun quickly adds up with this winter-themed addition activity page for first graders!

Kids solve addition and subtraction problems with one- and two-digit numbers to crack the code and find the mystery word on this first grade math worksheet.

This addition puzzle is perfect for getting your student started with KenKen®!

KenKen® is a new great puzzle for students to use to practice addition and subtraction facts!

First graders will enjoy adding with this fruit and vegetable-themed worksheet!

First graders will enjoy adding with this fruit and vegetable-themed worksheet!

Your student will need to use his understanding of simple addition facts and a bit of logic to fill in this KenKen® grid.

Your students will need to use logical thinking and their knowledge of simple addition facts to solve this KenKen® grid.

This addition puzzle is ready and waiting for your child to solve it!

This KenKen® puzzle uses addition and subtraction facts to determine where numbers belong within a grid.

This addition puzzle is the perfect introduction to KenKen®, a math logic game from Japan!

Check out this KenKen® puzzle, a math game that combines addition and logic!

This KenKen® math puzzle is a ton of fun, and it requires a knowledge of simple addition facts and critical thinking skills.

This KenKen math puzzle helps build addition and logic skills!

This KenKen® puzzle will keep your students busy as they use simple addition skills and critical thinking to place numbers into the grid.

Your students will need to fill in this KenKen® grid using their addition and subtraction facts and some logical thinking skills.

Get ready to play KenKen®! This beginner puzzle requires addition facts and a lot of logic!

Print out this fun KenKen® puzzle for your student! It's a beginner puzzle that uses just addition.

Your students will need to use simple addition and subtraction facts to decide where each number belongs within this KenKen® puzzle.

Your students will need their addition facts and a bit of logic to solve this KenKen® math puzzle.

This addition and subtraction KenKen® puzzle is a perfect challenge!