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

This cute little hermit crab is missing his sea shell. Connect the dots to give him a new home, and learn about odd numbers as you go!

Reinforce number recognition skills with this versatile number template.

Connect the dots from 1-50 to reveal a hovering helicopter.

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

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.

Help your first grader practice counting with a tugboat dot to dot.

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

Challenge your first grader by having her connect the dots from 1 to 50 to complete the picture of the friendly lion.

To catch a glimpse of the rocket, complete the color by number worksheet using the key below the picture. First graders will have a blast!

Children will practice counting from 1 to 40 as they complete this simple dot-to-dot worksheet.

Count and add the Halloween pictures in this simple addition worksheet!

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

Count and subtract the Halloween pictures in this simple subtraction worksheet!

Count and add the Halloween pictures in this simple addition worksheet!

Take countdowns to the next level with this two-digit backwards counting worksheet.

Count and add the Halloween pictures in this simple addition worksheet!

Track down the word form of numbers with this engaging word search for first graders!

Find the missing numbers at the pond in this Freddy the Frog worksheet. Work with your child to find the even missing numbers in this exercise.

Most kids are good at counting forward, but counting backward is a different ball game. Practice counting down by filling in the blanks with the right numbers.

Hunt for decorative hearts in this Valentine’s Day-themed graphing worksheet for kindergarteners and first graders!

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

Can your child use her addition and subtraction knowledge to put the numbers where they need to go?