Introduce your first grader to centimeters by helping her measure some familiar things: school supplies!

For each two-digit number on this first grade math worksheet, kids determine the place value of each digit, then write each digit in the tens or ones column.

Identify the appearance of the moon during its three main phases which include the New Moon, Quarter Moon, and Full Moon.

Skip count to help the mother penguin find her baby in this charming worksheet!

Rocket toward math mastery with this space-themed mixed operations worksheet!

Follow in the footprints of dinosaurs as you work on this colorful worksheet!

Measure masses around the kitchen with this fun third-grade maze!

Decide when to use each measurement tool in this engaging math worksheet!

Get comfortable with customary units in this inviting measurement worksheet!

From the tiniest ant to the biggest elephant, every animal has a mass!

Mixed operations—the final frontier! Explore addition, subtraction, multiplication, and division in this tricky space-themed worksheet!

In this worksheet, students will skip count by hundreds to help the monkeys reach their bananas!

Take a tour of items in your home as you practice estimating length in this engaging worksheet!