Kids visually estimate the number of oranges on a set of trees, then count the oranges one by one and see how close they were. Then they color the page.

Kids practice estimation by guessing the number of stars on this first grade math worksheet. Then they check their guess by counting the stars.

Kids visually estimate the number of fish swimming on this worksheet. After making their guess, they check it by counting each fish.

For each item on this first grade science worksheet, kids match a piece of clothing with the thermometer showing a temperature for wearing the item of clothing.

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.

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.

Kids count by fives to 100 on this first grade math worksheet. Skip counting by fives is one way children can demonstrate the meaning of addition.

First graders will have fun adding with this fruit and vegetable-themed worksheet!

Kids solve addition and subtraction problems with one- and two-digit numbers to crack the code and find the mystery word on this first grade math worksheet.

These busy bees need some help getting their honey delivered in time.

Sharpen your first grader's number sense with an exercise in recognizing number patterns.

Give your first grader a head start on time by practicing telling time on the hour. Match each clock to the correct time it tells.

Offering lots of time telling practice on the hour and half hour, this worksheet is a great refresher.

Challenge your students to solve the riddles and reveal the mystery shapes on this geometry worksheet. Descriptions of the shapes are disguised as clues.

Bring your a-game to this subtraction worksheet, and see how many subtraction problems you can solve!

Give the clock maker a hand by drawing the hour hands back on the clocks following the times shown.

Print out this starry first grade addition worksheet and sneak in a little math practice before bedtime!

Children sixteen 2-D figures to determine if their parts are equal or unequal.

Introduce your first grader to counting by tens with dimes with this worksheet.

Introduce your first grader to telling time by practicing reading clocks on the hour.

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

Your first grader can practice addition under the sea with this worksheet that features 12 beginning addition problems and a colorfully fishy theme!

Help Dennis Duck by counting up the coins in each group and marking the correct value.

Help young Malcolm Mouse learn how to tell time on the half hour by circling the time shown on each clock.

Help your first grader build her number sense with this worksheet featuring number patterns by 2, 5, and 10.

Introduce your first grader to telling time on the hour with this simple worksheet.

Let's practice keeping track of the time by writing the time shown on each clock.

Carlos Cat is here to help your first grader review time.

This colorful, first grade addition worksheet really has it all: practice with addition word problems, counting, and drawing!

Identify the months of the year with this first grade calendar worksheet!