A printable, ready-to-use blank calendar with a landscape monthly grid and labeled day columns. Great for Kindergarten through 5th grade classrooms to map out lessons, holidays, and daily routines—just add the month and the dates.
Using the Counting Songs (Classic Video Collection), students practice skip counting by all of the numbers by singing and counting along to these thirteen videos.
An animal-themed ordinal number directions worksheet that helps first graders name positions from first to sixth and follow simple directions. Includes an answer key for quick, no-prep ordinal numbers practice.
This Counting Tens Ones Worksheet helps first graders count base-ten blocks, record the tens and ones, and write each two-digit number. Includes a complete answer key for quick, no-prep place value practice at home or school.
A calendar game where kids build this month’s real calendar with Sunny: put the days of the week in order, count the days, then answer today, yesterday and tomorrow and pick the weather. Play online on any phone, tablet, Chromebook or computer.
This adding and subtracting within 20 worksheet gives first graders mixed addition and subtraction fact practice with a helpful number line. Includes a complete answer key for quick, no-prep math review.
This first grade Less Than Greater Than Worksheet has students write <, >, or = to compare pairs of numbers, with a friendly alligator pointing the way. Answer key included for quick, no-prep number-sense practice.
This adding and subtracting to 20 worksheet gives 1st graders ten mixed addition and subtraction equations to solve within 20. Answer key included — perfect for quick, no-prep math fact practice at home or school.
This Using Base 10 Blocks to Write Numbers Worksheet helps 1st graders count tens rods and ones cubes, then record each two-digit number in a place value chart. Includes an answer key for quick, no-prep practice.
This completing fact families worksheet gives 1st graders six number houses to fill in—writing two addition and two subtraction facts for each set of numbers. Answer key included for fast, no-prep math practice.
Using the Counting By Fives Song (Original Music Video), students practice skip counting by 5s by singing and counting along to this fun and engaging video!
This Adding Word Problems with 3 Numbers Worksheet helps 1st graders add three single-digit numbers using fun story problems about ducks, apples, and more. Includes a complete answer key for quick, no-prep addition practice.
A hands-on measuring length worksheet where 1st graders count unit squares to measure a pencil, crayon, marker, paintbrush, and carrot. Includes a complete answer key — perfect for a no-prep introduction to measuring with units.
This Adding 3 Whole Numbers Within 20 Worksheet gives 1st graders twelve problems to practice adding three single-digit numbers for sums up to 20. Includes a complete answer key for fast, no-prep addition practice.
This Ordering Numbers Worksheet gives 1st grade students friendly practice putting numbers up to 100 in order from smallest to largest, with counting patterns and an answer key included to make number order simple and fun.
This Less Than, Equal To, or Greater Than Worksheet gives 1st graders ten pairs of two-digit numbers to compare using . Includes a complete answer key—perfect for no-prep number sense practice.
Count the tens and ones with this tens ones worksheet made for first grade. Students use base-ten blocks to write the tens, ones, and the two-digit number, and an answer key is included to make practice simple.
This Ten More Ten Less Worksheet gives 1st graders eight quick problems to find ten more and ten less than a two-digit number. Includes an answer key for fast, no-prep place value practice.
These subitize 1 to 10 flash cards help PreK to 1st grade children see how many dots at a glance with dot patterns and ten-frames. Practice page and answer key included.
Lexy teaches kids how to find the hundreds, tens and ones in a number, one step at a time. Kids practice with friendly hints, then show what they know in a 5-question quiz. Quiz scores go to HFT Classroom automatically.
Numbers to 120 and beyond
First grade math builds the base for everything that follows. Kids add and subtract within 20 using strategies like counting on and making ten, and by the end of the year they know facts within 10 by heart. They count, read and write numbers to 120 and understand that two-digit numbers are made of tens and ones: 47 = 4 tens and 7 ones. They compare numbers with greater than, less than and equal to, measure length with objects, tell time to the hour and half hour, and work with shapes, halves and fourths. It is a big year of number sense!
First graders learn math by doing. These moves keep hands busy and minds working.
Bundle straws into groups of ten with rubber bands. Kids build numbers like 34 with three bundles and four loose straws. It makes two-digit numbers real and sets up place value for 2nd grade.
Why it works: kids understand an idea best when they touch it, then draw it, then write it, the order the U.S. Department of Education recommends for elementary math.
Try it withCounting Tens Ones WorksheetWorksheetsOpen it →Flash a dot card for just two seconds and ask how many. Kids learn to see small amounts without counting one by one. It is a great warm-up that builds the number sense behind fast addition.
Why it works: pulling an answer out of memory makes it stick far better than rereading it, one of the strongest findings in learning research (Dunlosky and colleagues, 2013).
Try it withSubitize 1 to 10 Flash CardsFlash CardsOpen it →Start math with a counting song and count higher as the year goes on. Counting to 120 and skip counting by 5s and 10s feels easy when it is part of a daily routine.
Why it works: a catchy, repeating tune gives the brain a hook to hang words on, so sung text is remembered better (Wallace, 1994).
Try it withCounting Songs (Classic Video Collection)VideosOpen it →First graders love games. These keep math playful all year.
GamesCount the days of school, find today's date and look for number patterns together.
Open Calendar Game →
WorksheetsCompare two numbers and draw the hungry alligator mouth eating the bigger one.
Open Less Than Greater Than Worksheet →
WorksheetsPut number cards in order from least to greatest, then race a partner.
Open Ordering Numbers Worksheet →Teacher favorites right now: Blank Calendar, Counting Songs (Classic Video Collection) and Ordinal Number Directions Worksheet.
By the end of 1st grade, kids should add and subtract within 20, count to 120, understand tens and ones, compare two-digit numbers, tell time to the half hour and measure length.
Count objects, play board games with dice, talk about time on a clock, and practice a few addition facts each day. Short, playful practice works best.
Most 1st graders work toward knowing addition and subtraction facts within 10 quickly, while using strategies for facts within 20.
It is a big step, especially place value and subtraction. Hands-on practice with objects helps kids understand instead of just memorize.
Yes. First graders usually learn to tell time to the hour and half hour on both analog and digital clocks.
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