Number & Operations in Base Ten
- Plus Plan
Christmas Color By Number - Hundreds Chart Mystery Pictures
Print the perfect color-by-number math activity for Christmas: a set of 12 Christmas-inspired mystery hundreds charts.
- Plus Plan
Addition to 20 Activity - Winter Math Puzzle for 1st Grade
Practice addition facts up to 20 with a printable winter math puzzle for kindergarten and first-grade students.
- Free Plan
Ten Frame Printable Templates
Use these printable ten frames in various math lessons to reinforce number sense and other essential skills.
- Free Plan
How to Write 2-Digit and 3-Digit Numbers Worksheet
Explore how to represent number values in standard form, word form, expanded form, and picture form with this multipurpose place value worksheet.
- Plus Plan
I Have, Who Has? - Place Value Games for 1st Graders (2-Digits)
Reinforce your students understanding of 2-digit Place Value concepts with printable Place Value Games for 1st graders.
- Free Plan
Addition Strategies Cheat Sheet
Help students understand the different addition strategies with this helpful cheat sheet.
- Plus Plan
Subtraction with Ten Frames - Worksheet
Model and subtract numbers to twenty using ten frames with a handy ten-frame subtraction worksheet.
- Plus Plan
Making Tens Subtraction Worksheet
Find friendly numbers to subtract with a printable subtraction worksheet.
- Plus Plan
Two Step Word Problems on a Number Line - Place Value Activity
Differentiate place value concepts for 1st grade students with a pair of 2-Digit Number Line Task Card Sets.
- Plus Plan
Decomposing 2-Digit Numbers Match-Up Activity
Help children decompose 2-digit numbers by identifying the place value of the tens and ones with this matching activity.
- Plus Plan
Exploring 2-Digit Place Value - Teaching Slides
Explore 2-digit numbers using place value strategies with an interactive teaching presentation.
- Plus Plan
100 Chart Missing Numbers
Practice counting forward beginning from a given number with this set of 100 charts and recording sheets.
- Plus Plan
One More, One Less Worksheet
Practice foundational addition and subtraction facts using the concepts of one more and one less.
- Plus Plan
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.
- Free Plan
Representing Two-Digit Numbers - Place Value Worksheet
A set of worksheets for students to use when learning about place value and the different way two-digit numbers can be represented.
- Free Plan
Thanksgiving I Spy Worksheet
Have a bit of counting and coloring fun with a free Thanksgiving I Spy Worksheet for Kindergarten.
- Plus Plan
Base Ten Block Matching Cards (Numbers 1 - 120)
Connect base ten block representations with numerals with these multi-use matching cards.
- Free Plan
Printable Ten Frames (Single and Double)
Introduce these printable ten frames to your students to promote number sense with hands-on learning.
- Plus Plan
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.
- Plus Plan
Place Value Spin Activity
Practice identifying the number of tens and ones in two-digit numbers with this fun spin activity.
- Plus Plan
Christmas Color By Number - One More or Less
Practice finding numbers that are one more and one less than with a printable Christmas color-by-number worksheet.
- Free Plan
2-Digit Numbers in Expanded Form Worksheet
Explore two-digit numbers in standard form and expanded form with this set of two cut-and-paste style worksheets.
- Plus Plan
Comparing Numbers Christmas Game
Have some Christmas math fun with an interactive, self-checking comparing numbers game.
- Plus Plan
Thanksgiving Turkey Hide! - Place Value Worksheet
Save the Thanksgiving Turkeys and practice modeling numbers in base ten with a printable Thanksgiving Math Worksheet
- Plus Plan
2 Digit Place Value Puzzles
Teach students the different representations of 2-digit numbers with this place value puzzle.
- Free Plan
Adding with Strip Diagram Cut and Paste Worksheet
Practice adding two digit numbers using the strip diagram with this cut and paste worksheet.
- Plus Plan
Number Talks - Making Ten Task Cards
Build number sense skills with this set of 20 task cards.
- Free Plan
Place Value Charts — Printable Math Mats
Practice place value concepts, addition, and subtraction with a printable set of free place value charts.
- Plus Plan
Tens and Ones 2-Digit Place Value Mat
Build two-digit numbers and improve place value skills with a printable tens and ones math mat.
- Plus Plan
Subtraction Strategies - Ten Frame Printable Bingo Game
Practice using ten frames to subtract single-digit numbers in a whole class bingo game.
- Plus Plan
2-Digit Place Value Game - Interactive Slide Deck
Review various first-grade place value concepts with an interactive place value warmup.
- Plus Plan
Fall Math Worksheets - Addition to 99
Celebrate the coming of Fall and practice adding 2-digit numbers up to 99 with a set of four Fall color-by-number worksheets.