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.

Learners will use their number sense and logic skills to find the missing number in each of 18 sequences.

Use this glossary with the EL Support Lesson: Number Talks with Mixed Number Addition.

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.

Follow the clues to create a six-digit number using the numbers in the number bank. Use a little bit of logic to unscramble the numbers.

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.

Use these vocabulary cards with the EL Support Lesson: Number Talks with Mixed Number Addition.

From inequalities to completing number patterns, this worksheet is packed with number exercises to help boost your child's number sense.

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

Become a number detective in this riddle-filled worksheet!

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.

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

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

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

Give your child prime number practice with this simple worksheet.

This number factory is getting out of order, can your child help? Hell put random numbers back in the right order.

This number factory is getting out of order, can your child help? He'll put random numbers back in the right order.

Help the Number Factory get its boxes back in the right order! This fun activity will help your child practice counting.

Reinforce number recognition skills with this versatile number template.

Reinforce number recognition skills with this versatile number template.

This Halloween color-by-number worksheet has a spooky hidden picture. Color this Halloween color-by-number to find out what's hiding in the numbers.

Use the number line to decipher the hidden message! Fill in the blanks to this number line with fractions and decimals.

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!

Read up on the various number superstitions around the world and why certain numbers are so lucky or unlucky for certain cultures!