Standards for Mathematical Practice
In Grade 1, instructional time should focus on four critical areas: (1) developing understanding of addition, subtraction, and strategies for addition and subtraction within 20; (2) developing understanding of whole number relationships and place value, including grouping in tens and ones; (3) developing understanding of linear measurement and measuring lengths as iterating length units; and (4) reasoning about attributes of, and composing and decomposing geometric shapes.
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Telling Time - Worksheets
Practice telling time on a clock with a set of 5 printable telling time worksheets.
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Addition within 20 Interactive Resource
Practice solving one-digit and two-digit addition problems using a variety of addition strategies with this interactive activity.
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Think Addition - Fact Family Worksheets
Use addition to solve subtraction problems with this worksheet.
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Fractions of Shapes – Differentiated Worksheets
Practice recognizing halves and fourths with this differentiated basic fractions worksheet for 1st and 2nd grade.
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Halves and Fourths – Cut and Paste Worksheet
Practice sorting objects partitioned into halves and fourths with this cut-and-paste worksheet.
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Decomposing Numbers – Word Problem Worksheet
Challenge students to decompose numbers presented in a word problem by rearranging the parts and showing different combinations.
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Coloring 2-D Shapes Worksheet
Practice identifying rectangles, squares, circles, and triangles with this 1-page worksheet.
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Roll, Add, and Color Christmas Math Worksheet
Roll into Christmas break with this addition coloring activity.
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Comparing Two-Digit Numbers — Clash! Board Game for 1st Grade
Practice comparing two-digit numbers with the help of this board game.
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Addition Strategies: Base-Ten Blocks Worksheet
Practice using the strategy of using base-10 blocks and regrouping to find the sum.
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One More, One Less Worksheet
Practice foundational addition and subtraction facts using the concepts of one more and one less.
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Addition Strategy - Counting On Worksheet
Solve addition problems in this 2-page Counting On Addition Worksheet.
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Tens Frame - Addition and Subtraction Match-Up Activity
Build addition and subtraction skills with two tens frame matching games.
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Financial Literacy Math Investigation – Pop–Up Shop on Wheels
A mathematics investigation involving financial literacy, embedded in a real-world context.
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Subtraction Dog – Worksheet
Practice subtraction facts with this set of differentiated worksheets.
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Valentine's Day Hundreds Chart Mystery Pictures
Follow the color-coded number guides to fill in the hundreds chart square and reveal 9 special Valentine’s Day images.
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Telling Time to the Hour and Half-Hour - Worksheet
Practice telling time to the half-hour with a fun set of printable Telling Time Worksheets for 1st grade.
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Thanksgiving I Spy Worksheet
Have a bit of counting and coloring fun with a free Thanksgiving I Spy Worksheet for Kindergarten.
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Subtract From 10 Board Game
Have a “blast” with this space-themed “Subtract From 10” board game that gives your students the practice they need with tens subtraction facts.
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Color by Number Addition and Subtraction Worksheets
Combine math and art with our color by number addition and subtraction worksheets that feature problems with solutions up to 20.
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Telling Time Task Cards - Hour & Half-Hour
Practice telling time to the hour and half hour with a set of printable Telling Time Task Cards.
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Modeling Addition Word Problem Worksheets
Encourage modeling with these addition word problem worksheets that provide practice with real-world addition scenarios.
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Base Ten Block Matching Cards (Numbers 1 - 120)
Connect base ten block representations with numerals with these multi-use matching cards.
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3rd Grade Math Task Cards
Use these 3rd Grade Math Task Cards as fast finisher activities during your math lessons.
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Skip Counting Puzzles
Practice skip counting and identifying multiples of numbers with printable skip counting puzzles for kids.
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Number Maze Worksheets (Ordering Numbers to 120)
Share these number maze worksheets with your students for a fun way to practice ordering numbers to 120 from least to greatest.
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Printable Ten Frames (Single and Double)
Introduce these printable ten frames to your students to promote number sense with hands-on learning.
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Ten Frame Printable Templates
Use these printable ten frames in various math lessons to reinforce number sense and other essential skills.
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Building 2-Digit Numbers Dice Game
Teach your students about place value in two-digit numbers with this engaging dice game featuring Base 10 blocks.
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Simple Addition Riddle Worksheet
Download this simple addition worksheet to provide your students with practice adding one- and two-digit numbers.
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Measuring Length with Standard Units Teaching Slides
Introduce your students to the formal units to measure length with an engaging, interactive teaching slide deck.
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Sky High Measurements With Non-Standard Units Interactive
Practice measuring in informal units using connecting cubes with a digital measurement activity.