Ho ho ho! Santa's left lots of colorful presents filled with Christmas addition problems for your child to solve.

Is addition with regrouping giving your child trouble? Addition problems are fun to solve in this monster-filled worksheet that doubles as a coloring page!

Let this colorful addition worksheet--filled with challenging double-digit equations--push your second grader to the next mathematical level!

Ho ho ho! Santa has left lots of colorful presents filled with addition facts for your first grader to practice.

It's a math facts ski race! Kids will color math-filled flags to determine which skier made it down the hill first.

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

Get ready for some merry math practice this Christmas! Santa has left lots of colorful presents filled with simple addition facts.

Santa's sleigh is filled with toys and candy canes! Can your child count how many are there? Practice simple addition in the spirit of Christmas.

This bubble-filled first grade math worksheet makes practicing addition fun. Your child will practice addition as she solves the problems in the bubbles.

Make addition practice fun with this fruit-filled first grade worksheet! To complete it, your child will solve the addition problems in each piece of fruit.

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!

Does your first grader need help with two-digit addition? This colorful fairy-filled worksheet is a great way to give her the practice she needs.

Merry Christmas! To help your child stay sharp during the holiday, Santa has left lots of colorful presents filled with addition facts for your child to solve.

Use addition and subtraction to find the correct path through the puzzle.

Each ten frame has ten boxes. Some boxes have red chips and others don't. If the top half of the ten frame is filled with red chips, how many are left? 10-5=5.

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

One more and one less. Your students will practice adding in the missing numbers on this worksheet.

In this fact family practice worksheet, kids show that they understand the inverse relationship between addition and subtraction.

Search for numbers in a hundred chart with this helpful first-grade worksheet! 

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.

A counting and addition worksheet for preschoolers, featuring a bird theme.

A flower-themed counting worksheet for preschoolers.

Number bonds are a great way for your kids to explore the relationship between addition and subtraction. By filling in the missing numbers, students get experience with fact families.

Is your math whiz up to the challenge? She'll have to use logic and reasoning skills to solve this tricky addition puzzle!

Enjoy a fun coloring activity while you review simple math facts! Santa has left 10 gifts, each with an addition or subtraction problem to solve.