Your first grader will soar high above the skies as he completes addition problems with sums of 9 or less in this math worksheet.

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.

Soar above the clouds and practice adding and subtracting within 10 with this fun fluency worksheet!

Practice addition facts within 10 with this high-flying math crossword puzzle!

And they're off! Your mathematician will join the high-flying fun of this ski race while practicing addition and subtraction facts.

How high can you count? Assess your students’ understanding of numbers to 100 using this quick number writing activity.

These skiers are flying down the slopes! Who will win? Your first grader will join the high-flying fun while practicing addition and subtraction facts.

Find out which skier will win the race in this high-flying math worksheet. Kids will solve problems to show which skier rounded the most flags.

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

How high can you count? First graders will strengthen their understanding of ones and tens with this hundreds chart. Students will fill in the missing numbers up to 120 and then answer questions using the chart.

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.

Help your child with his math skills with this printable worksheet, which will give him practice with simple subtraction.

Introduce your child to beginning addition with this colorful first grade math worksheet offering addition problems with sums up to 9. Up, up, and away!

Your little Olympian can join two downhill skiers in this combination math and color-by-number worksheet. Your kid will solve addition and subtraction problems.

Your child will use his addition and subtraction skills to help the skiers down the slopes. He'll need to solve these mental math problems to see who wins.

It's the Winter Olympics, and two skiers are racing down the mountain. Get your kid to find out who wins with our combination math and color-by-number activity.

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

Hook your first- and second-grade students with a splash of math fun!

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.

Fall into some fun addition practice with this seasonal worksheet!

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!