Children look at nine sequences of numbers and fill in the missing ones.

Follow the popcorn patterns to reveal the missing numbers in this fun counting worksheet!

Children will fill in the missing numbers from 63 to 72 in this sweet number sense worksheet.

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.

Children will fill in the missing numbers from 46 to 50 in this sweet number sense worksheet.

Children will fill in the missing numbers from 95 to 100 in this sweet number sense worksheet.

Children will fill in the missing numbers to complete a hundreds counting chart in this number sense worksheet.

Kids find the missing numbers to complete the honeycomb number grid. This first grade math worksheet helps kids practice counting whole numbers to 100.

In this second-grade math worksheet, your child will practice writing odd numbers and counting by 2s from 1 to 71 as they writes the missing numbers in the spaces.

Complete the number sentence by counting left and right on a number line. Can your child find all the missing numbers?

Does your child need a lift with his counting skills? This elevator-themed worksheet is about counting and finding the numbers in a series.

In this playful fill-in-the-blank worksheet, learners will use their number sense to find and write the missing one- and two-digit numbers.

With this worksheet, your second graders will be adding up two-digit and three-digit numbers with ease.

Keep your second grader entertained--and teach her two-digit addition skills at the same time--with this super hero-themed worksheet.

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!

Kids find the missing numbers to complete the egg number grid. This first grade math worksheet helps kids practice counting whole numbers to 100.

Your first grader will improve their rusty subtraction facts with this fun printable!

Your child will enjoy cutting and pasting while solving problems to fill in the missing information.

Practice three-digit addition using open number lines with this second-grade math worksheet!

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

Build single-digit subtraciton skills with this math worksheet.

Practice adding two-digit numbers on open number lines with this inviting addition worksheet!

Kids find the missing numbers to complete the iceberg grid. This first grade math worksheet offers practice counting whole numbers to 100 and counting by fives.

Practice finding missing numbers while adding within 20 using ten frames!

Go over adding two-digit numbers to one-digit numbers with this helpful worksheet.

Practice two-digit subtraction on an open number line with this bright and cheery math worksheet!

Practice three-digit subtraction using an open number line with this second-grade math worksheet!