Students will become number sleuths as they determine missing numbers in each subtraction problem on this math worksheet.

Kids practice reverse addition and subtraction to find the missing numbers in this challenging 2nd grade math worksheet.

Kids practice reverse addition and subtraction to find the missing numbers in this fun 2nd grade math worksheet.

Kids practice reverse two-digit addition and subtraction to find the missing numbers in this 2nd grade math worksheet.

Kids get an intro to basic algebra by practicing reverse addition and subtraction to find the missing numbers in this challenging 2nd grade math worksheet.

Introduce your child to basic algebra with this 2nd grade math worksheet. Kids practice reverse addition or subtraction to find the missing numbers.

Introduce your child to basic algebra with this 2nd grade math worksheet in which he'll practice reverse addition and subtraction to find the missing numbers.

Kids try their hand at reverse addition and subtraction in order to find the numbers missing from each equation in this 2nd grade math worksheet.

These equations have lost their signs! Only one sign — plus or minus — can make each equation true.

Use base 10 drawings to subtract two-digit numbers in this math worksheet.

Kids get a taste of basic algebra in this 2nd grade math worksheet. Kids flip the equations and reverse the operations in order to find the missing number.

First and second graders will LOVE finding the missing numbers in this adorable Valentine’s Day math puzzle!

Count like a champ! Your kid will find missing numbers in no time when he learns how to use a number line. Now get searching!

How many subtraction facts can your second grader come up with? This worksheet challenges kids to brainstorm their own equations that equal various numbers.

Feel the Christmas spirit with these Christmas word problems. Kids will calculate the numbers of carolers and more in this fun Christmas math worksheet.

It's almost Christmas time, and it's up to your kid to calculate the numbers of the season. Tally up the number of Christmas ornaments, candy canes, and movies.

Work on addition while finding sums of 100 using a deck of playing cards and this first grade math worksheet.

Hop your way to subtraction mastery in this fun, inviting worksheet!

This summer, try building subtraction skills, not just sandcastles!

It’s raining subtraction problems in this colorful math worksheet!

Travel through the hundreds chart on a quest to one.

Your child will use his addition and subtraction skills in this Christmas word problems worksheet. Do some math at Christmas with this festive worksheet.

Make your student number one with this worksheet full of subtraction fun using a hundreds chart.

Help your little elf get some Christmas math practice in with these holiday word problems. He'll work on subtraction, division, and more in this math worksheet.

Practice subtraction within 10 with this Halloween math workheet!

Practice subtraction within 20 with this Halloween math workheet!

Practice subtraction within 20 with this Halloween math workheet!

Practice subtraction within 10 with this Halloween math workheet!

Practice subtraction within 20 with this Halloween math workheet!

Practice addition with your second grader, a math worksheet, and a deck of playing cards.