The math worksheets and other resources below are listed by subject. They have been categorized at the 1st Grade level based on the Common Core Standards For Mathematics. You can learn more about these standards here.

- Basic Addition Number +1
- Basic Facts: Adding Zero
- Basic Facts: Zeros & Doubles
- Basic Facts
- Adding Doubles
- Basic Facts: Review
- Doubles Subtraction
- Basic Facts: Addition & Subtraction
- Addition & Subtraction Facts
- Subtraction Facts: Right Next To Each Other
- Basic Facts: Subtraction
- Basic Facts: Number Plus One
- Addition & Subtraction Facts
- Doubles Subtraction
- Adding & Subtracting Facts
- Adding 2 Worksheet: 2 Ladder
- Basic Facts: 2 Ladder & Doubles
- Basic Facts: Practice All Tricks
- Basic Facts: Doubles & Number +1
- Basic Facts: Number +1 & Doubles
- Basic Addition & Subtraction: Backward 1
- Basic Facts: Addition & Subtraction
- Addition & Subtraction Facts
- Basic Facts: Number +1 , Doubles, & backwards 1
- Basic Facts: Number +1 , Doubles, & backwards 1
- Making (Bridging) 10 e.g. 7 + 4, 8 + 5
- Fact Families for 4 & for 5 e.g. 2 + 3 = 5, 3 + 2 = 5, 5 - 2 = 3, 5 - 3 = 2
- Fact Families for 6
- Fact Families for 7
- Fact Families for 8
- Fact Families for 9
- Number bonds to 10 e.g.3 + ___ = 10
- Addition within 10 (2-page worksheet with Cuisenaire Sandwiches)
- Addition & Subtraction within 10 (2-page worksheet with Cuisenaire Sandwiches)
- Number Bonds to 10 (worksheet/ activity)
- Number Bonds to 9 (worksheet/ activity)
- Number Bonds to 8 (worksheet/ activity)
- Number Bonds to 7 (worksheet/ activity)
- Number Bonds to 6 (worksheet/ activity)
- Number Bonds to 5 (worksheet/ activity)
- Number Bonds to 4 (worksheet/ activity)
- Complements to 10 Number Search Complements to 5, 6, 7, 8, 9, or 10
- Number Bonds (Numbers to 10) - 13 Pages
- Problems to 10 # 1
- Problems to 10 # 2
- Problems to 20 # 1
- Problems to 20 # 2
- Adding Three Numbers (within 20) e.g. 6 + 5 + 7
- Adding Three Numbers With Two Adding To 10 (within 20) e.g. 7 + 3 + 8
- Mappings to 10 # 1 e.g. add 2 to 4, 6, 7, & 8
- Mappings to 10 # 2
- Mappings to 20 # 1 e.g. add 6 to 7, 8, 9, & 11
- Mappings to 20 # 2
- Breaking Numbers Apart (3-Page Addition and Subtraction Worksheet)
- Addition & Subtraction (larger numbers) e.g. up to 999,999
- Three 1-digit numbers (with two adding up to 10) e.g. 7 + 5 + 3
- 1-digit numbers e.g. 6 + 3, 9 - 4
- Missing Numbers With Adding & Subtracting to 10 #1 e.g. 6 - __ = 4, __ + 3 = 7
- Missing Numbers With Adding & Subtracting to 10 #2
- Numbers to 9 (3 of 3) e.g. 8 - 4
- Numbers to 9 (1 of 3) e.g. 8 - 4 (both horizontal and vertical formats)
- Sums to 9 (1 of 3) e.g. 6 + 3 (both horizontal and vertical addition)
- Numbers to 9 (2 of 3) e.g. 8 - 4 (both horizontal and vertical formats)
- Sums to 9 (2 of 3) e.g. 6 + 3 (both horizontal and vertical addition)
- Sums to 9 (3 of 3) e.g. 6 + 3
- Missing Numbers With Adding & Subtracting to 20 #1
- Missing Numbers With Adding & Subtracting to 20 #2 e.g. 12 - __ = 7, __ + 9 = 17
- Sums to 12 e.g. 8 + 4
- Customizable Addition Worksheet Generator
- Addition & Subtraction Worksheets
- Addition/ Subtraction Worksheet Generator (adding and/or subtracting zeros, ones, and/or doubles)
- Addition/ Subtraction Worksheet Generator (Cuisenaire Rod-like)
- Addition/ Subtraction Worksheet Generator

- Writing Numbers in Word Form (3-Page worksheet)
- Comparing numbers (up to 999)
- Place Value Worksheet Generator (hundreds, tens, and ones)
- Preparing To Subtract - Regrouping Ten (e.g. 58 as 5 tens and 8 ones or 4 tens and 18 ones)
- Ones & Tens in a Number Frame

- Blank Clock faces
- Time at the half hours
- Draw the hands on the clock : time to the nearest hour
- Draw the hands on the clock : time to the nearest hour
- Match the clock to the time : time to the nearest hour
- 12 Clock faces at each hour
- Telling Time - On the hour
- Telling Time - On the half-hour
- Clock Face Generator

- Adding To/ Taking From (5-pages with 30 questions)
- Joining/ Taking Apart & Comparing (8-pages with 48 questions)

- Hundreds Number Chart
- Printable Domino Cards (28 dominoes on 2 pages)
- Blank Domino Cards : Make Your Own Dots! (by click or by hand)

- Time Domino Cards #1 - to the hour and half-hour

- Customizable Addition Chart/ Square (lots of options)
- Addition Facts Chart e.g. Square to 20
- Addition Facts Chart e.g. to 20 (4 per page)
- Ten Frames (17-page document)

- Number in Words Chart - Enter values and display numbers in word form
- Hundred Square (in color)
- Numbers Chart - From 10 to 999 Numbers : Adjustable Start Number, Interval, and Number of Rows
- Pocket-size Numbers Chart: 1 - 120 (4 per page)

- Place Value Chart: Tens - with blocks for highlighting
- Place Value Chart: Tens

- Adding & Subtracting Games
- Memorizing Addition & Subtraction Facts
- Making 10 - Examples & Worksheets
- Addition & Subtraction Situations

- Addition - Sums to 9
- Subtraction - Numbers to 9
- Sums to 9 e.g. 6 + 3
- Numbers to 9 e.g. 6 - 3
- Taking away from 1 thru 5
- Taking away from 6 thru 7
- Taking away from 8 thru 9
- Adding one ( + 1)
- Adding doubles e.g. 3 + 3
- Subtracting one ( - 1) e.g. 4 - 1
- Adding zero e.g. 6 + 0
- Subtracting doubles e.g. 10 - 5
- Subtracting to one e.g. 7 - 6
- Subtracting doubles e.g. 8 - 4
- Adding two ( + 2) e.g. 4 + 2

- Numbers from 21 to 40 (on five pages)
- Numbers from 41 to 60 (on five pages)
- Numbers from 61 to 80 (on five pages)
- Numbers from 81 to 100 (on five pages)

- Number Bonds To 10
- Adding 3 Numbers (to 10 and to 20)
- Adding to Subtract (numbers to 5, to 10, and to 20)
- Fact Families to 20
- Number Bonds up to 10 e.g. 6 + ? = 8, 5 + ? = 8
- Magnets to Make 10 e.g. 4 + __ = 10
- Addition (to 9)
- Addition/ Subtraction (to 9)
- Subtraction (to 9)
- Targeting What Makes 10 e.g. __ + 3 = 10
- Adding & Subtracting Within 5 (e.g. 2 + 3 =5, 4 - 1= 3)
- Adding & Subtracting Within 5 (e.g. 2 + 3 =5, 4 - 1= 3)
- Subtraction: Single Digits e.g. 7 - 2
- Addition: Sums to 9 e.g. 4 + 3
- 1 or 2 more than (e.g. 1 more than 6)
- 1 or 2 more than (un-timed)
- 1 or 2 less than (e.g. 2 less than 5)
- 1 or 2 less than (un-timed)
- 1 or 2 more or less than
- 1 or 2 more or less than (un-timed)

- Vertical Line: 0 to 20 (1per-page and 4-per-page)
- Vertical Line: 0 to 50 (1per-page and 4-per-page)
- Large Scale Number Line: 0 to 100 (13 Pages)
- Lines from 0 to 10 & 0 to 20 (4-page document with "real"/ "open")

Click below for more math worksheets at adjacent grade levels.