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.

- 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

- Missing Numbers With Adding and Subtracting to 10 #1 e.g. 6 - __ = 4, __ + 3 = 7
- Missing Numbers With Adding and Subtracting to 10 #2
- Missing Numbers With Adding and Subtracting to 20 #1
- Missing Numbers With Adding and Subtracting to 20 #2 e.g. 12 - __ = 7, __ + 9 = 17
- Breaking Numbers Apart (3-Page Addition and Subtraction Worksheet)
- 1-digit numbers e.g. 6 + 3, 9 - 4
- Numbers to 9 (3 of 3) e.g. 8 - 4
- Addition and Subtraction Problems to 10 # 1
- Addition and Subtraction Problems to 10 # 2
- Addition and Subtraction Problems to 20 # 1
- Addition and Subtraction Problems to 20 # 2
- 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
- Making (Bridging) 10 e.g. 7 + 4, 8 + 5
- 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
- Sums to 12 e.g. 8 + 4
- Three 1-digit numbers (with two adding up to 10) e.g. 7 + 5 + 3

- Fact Families for 4 and 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

- Basic Addition Number +1
- Basic Facts: Number Plus One
- Basic Facts: Doubles & Number +1
- Basic Facts: Number +1 & Doubles
- Basic Addition and Subtraction: Backward 1
- Basic Facts: Addition and Subtraction
- Addition and Subtraction Facts
- Basic Facts: Number +1 , Doubles, & backwards 1
- Basic Facts: Number +1 , Doubles, & backwards 1
- Basic Facts: Adding Zero
- Basic Facts: Zeros & Doubles
- Basic Facts
- Adding Doubles
- Basic Facts: Review
- Doubles Subtraction
- Basic Facts: Addition & Subtraction
- Addition and Subtraction Facts
- Subtraction Facts: Right Next To Each Other
- Basic Facts: Subtraction
- Addition and Subtraction Facts
- Doubles Subtraction
- Adding and Subtracting Facts
- Adding 2 Worksheet: 2 Ladder
- Basic Facts: 2 Ladder & Doubles
- Basic Facts: Practice All Tricks

- 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
- Number bonds to 10 e.g.3 + ___ = 10
- Addition within 10 (2-page worksheet with Cuisenaire Sandwiches)
- Addition and 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)

- Addition/ Subtraction Worksheet Generator (Cuisenaire Rod-like)
- Addition/ Subtraction Worksheet Generator
- Customizable Addition Worksheet Generator
- Addition and Subtraction Worksheets
- Addition and Subtraction (larger numbers) e.g. up to 999,999
- Addition/ Subtraction Worksheet Generator (adding and/or subtracting zeros, ones, and/or doubles)

- 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 and Tens in a Number Frame

- 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

- Word Problems - Adding To/ Taking From (5-pages with 30 questions)
- Word Problem - Joining/ Taking Apart and Comparing (8-pages with 48 questions)

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

- 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

- 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 and Subtracting Games
- Addition Flashcards
- Making 10 - Examples and Worksheets
- Addition and Subtraction Situations
- Math Fact Trick: Doubles and Number Plus One
- Math Fact Trick: Backwards 1 and Doubles
- Math Fact Trick: Backwards 1 and Doubles
- Math Fact Trick: Subtraction
- How To Learn Addition and Subtraction Facts

- Addition - Sums to 9
- Subtraction - Numbers to 9
- Sums to 0 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)

- Magnets to Make 10 e.g. 4 + __ = 10

- Targeting What Makes 10 e.g. __ + 3 = 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
- Addition (to 9)
- Addition/ Subtraction (to 9)
- Subtraction (to 9)

- Adding and Subtracting Within 5 (e.g. 2 + 3 =5, 4 - 1= 3)
- Adding and 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)

- Number Grid Puzzle (with 10 Variations)

- Addition with making 10 e.g. 7 + 6 =13

Click below for more math worksheets at adjacent grade levels.

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