This printable will help your child with their observation skills by challenging them to count the tree rings to determine their ages.

In this worksheet, your child will be comparing two things in the pictures and will decide for himself which one is taller, older, or heavier.

Learn to convert ounces into pounds (and pounds to ounces) in this fun Easter worksheet.

Learners take a trip to the candy shop in this sweet metric conversion worksheet.

Do some metric math and help this witch convert ounces and pounds to grams and kilograms, or else her potion won't be ready in time for Halloween night.