Single-digit addition is a leap away using number lines like the ones on this worksheet.

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

Use open number lines to practice addition within 100 with this colorful math worksheet!

Practice addition within 100 using open number lines with this first-grade math worksheet!

Help first graders visualize the commutative property of addition with this number line worksheet!

Get more practice adding two-digit numbers on open number lines with this inviting addition worksheet!

Get more practice adding two-digit numbers on open number lines with this inviting addition worksheet!

Students use open number lines to help them write addition equations in this first-grade practice worksheet!

Get more practice performing addition within 100 using open number lines with this first-grade math worksheet!

Get more practice performing addition within 100 using open number lines with this first-grade math worksheet!

This number challenge will help reinforce number sense in kids who've mastered their counting.

Help your first grader build her number sense with this worksheet featuring number patterns by 2, 5, and 10.

Practice counting and number recognition by filling in the missing numbers on each line.

This worksheet presents a whole new, wacky way to learn number order.

Review your greater than or less than signs with this number comparison worksheet.

Have your student add the domino dots to build fact family number sentences. Your student will practice building number sentences.

Find the mystery number in this intro-to-algebra worksheet that practice places value.

These three Halloween math problems feature spooky and sweet number lines, and easy addition and subtraction.

Sharpen your first grader's number sense with an exercise in recognizing number patterns.

Here's a factory that can help your child improve his number sense! Enjoy a day at the Number Factory, where he'll put numbers in the right order.

Use this number line as a tool to practice adding and subtracting within 20.

Here's a factory that can help your child improve his number sense! Enjoy a day at the Number Factory, where he can put numbers in the right order.

Reinforce number recognition skills with this versatile number template.

Reinforce number recognition skills with this versatile number template.

Print these handy number cards on card stock and use them to practice number recognition and basic facts. For a fun twist, cards can be used to play Addition Number Grab, a variation of War!

Find Atlantis and practice number ordering with this undersea number worksheet. Kids will arrange numbers from least to greatest and vice versa.

Your student will visualize the subtraction problem by counting spaces on the number line.

It’s time for students to make their own number bonds! In this activity, students will be given number sentences to solve and represent using number bonds.