Time for school! Have your first grader take a look at this school (school of fish, that is) and solve the addition problems.

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

Use this colorful, open-ended worksheet to help your learners understand the value of 100.

Learn the basics of finding length with some ice cream scoop measurement! Use one scoop as one unit of measurement.

This fun first grade math worksheet uses stacks of library books to help kids practice single-digit vertical addition.

Help your first grader prepare for the coming school year with this summer-themed beginning addition worksheet.

Students practice evaluating the measurement of a familiar objects like a pencil, book, poster, crayon, paper, and scissors - no ruler needed!

What time do you wake up in the morning or start school? Have students flex their time-telling skills by matching analog and digital clocks, all while keeping track of common morning activities.

Practice adding ten to any number with this hundreds chart that helps kids master counting and place value.

This hundred chart worksheet makes adding ten easy!

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

Your child can invent his own number pattern on this squeaky-clean hundreds chart.

Make making ten a game with this extra-easy addition card game that comes with all the supplies you need.

Try the tens-sticks technique in paper form with this place value worksheet.

Practice addition facts to 10 with this worksheet that makes counting easy!

This extra-large package of number pattern worksheets is just what your kid needs to help him explore place value.

Practice place value and addition and see where the two intersect with this hundreds chart that teaches how to add in groups of ten and one.

Fall into some fun addition practice with this seasonal worksheet!

Looking for a worksheet that practices addition and subtraction skills? This printable works with addition and subtraction fact families.

Liven up addition for your first grader; this brightly colored worksheet's full of fireworks and fun.

Children learn a valuable strategy for conceptualizing and solving word problems in this two-digit addition worksheet.

Understanding place value is fundamental to developing and mastering number sense skills. Use this assessment activity to evaluate how your first graders are coming along in their understanding of place value using tens and ones.

Learners will tackle 12 subtraction problems within 20 in this football-themed math worksheet. 

This counting activity is also a coloring page! Your child will get to trace numbers 21-25, cut them out and arrange them in the correct order.

Practice measuring in centimeters with this beginner's worksheet! Kids can use the cut-out ruler to measure each item in centimeters.

You can measure length with all kinds of units, not just inches and centimeters!

Use a paperclip “ruler” to measure common objects in this colorful worksheet!

In autumn, the leaves turn red, orange, and yellow—test your logic skills with a sudoku puzzle to match!