This activity will help students reflect on the many potential combinations for a number as they work on identifying a missing part of a whole using dots and a word bank.

Teach your little one about place values with this math worksheet. Each number is written out but is missing a digit or two that needs to be filled in.

Track down missing numbers to solve these multi-digit subtraction problems!

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

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

Kids practice reverse two-digit addition and subtraction to find the missing numbers in this 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.

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.

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.

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 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.

Use your addition expertise to find the missing digits in each equation with this second- and third-grade worksheet!

Gain expertise with addition sentences within 20 in this helpful math worksheet!

Help students practice looking for clue words, creating drawings, and using other strategies for solving these story problems.

Crack the code of the missing starting number with this investigative subtraction worksheet!

Explore finding missing starting numbers in addition equations with this engaging hundred-chart worksheet!

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

Show off your skills with subtraction strategies in this helpful worksheet!

Test your addition skills with this hands-on math worksheet!

Hop backwards to subtract in this hands-on math worksheet!

Test your addition skills with this helpful hundred chart worksheet!

This adorable turtle is missing his shell! Help finish this picture by connecting the dots and skip counting by five.

This sweet butterfly is missing her wings! Help finish this picture by connecting the dots and skip-counting by five.

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

These Christmas presents are missing some color! Challenge your second grader to review addition and subtraction facts by solving the equations in these gifts.

These Christmas presents are missing some color! Challenge your child to review her addition and subtraction math facts by solving the equations in these gifts.

Make subtraction simple with the help of this helpful worksheet!

Master two-digit addition with the help of place value charts!

There’s value in adding with place value! Practice using place value charts in this charming second-grade worksheet!

Here's one way to reinforce addition facts and basic math vocabulary. Your child can add up the numbers and fill in missing signs in these addition problems.