Common Core State Standards
Number & Operations in Base Ten
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resources for those 'aha' moments
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Counting by 5's Maze
Get to the party by skip counting to 100 with our counting by 5’s worksheet.
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The Escape From Millbrook Manor – Halloween Escape Room
Practice computation skills by solving puzzles with this differentiated Halloween escape room game.<br /><br />
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Math Word Problem Task Cards – Addition and Subtraction
20 one and two-step word problem task cards that focus on addition and subtraction.
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Fact Family Rocket Blast Off - Blank Version
A sorting activity to demonstrate an understanding of fact families.
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Easter Hundreds Chart Mystery Pictures
A set of 9 Easter-inspired mystery hundreds charts.
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Addition and Subtraction Word Problem Task Cards (Numbers 1-50)
Use a range of addition and subtraction strategies to solve twenty word problems that contain numbers 1–50.
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"March Mathness" Basketball Math Craft - Addition
Practice 2-3 digit addition (with and without regrouping) with a fun "March Mathness" craft activity.
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Double-Digit Addition Strategies Posters
Teach different double-digit addition strategies with this set of four classroom posters.
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Compensation Strategy for Subtraction – Interactive PowerPoint
A 16-slide, editable PowerPoint that focuses on the compensation strategy for subtraction.
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Number, Word, and Base Ten Forms - St. Patrick's Day Activity
Have some fun matching number, word, and base-ten forms with a fun St. Patrick's Day activity.
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Roll It, Make It, Expand It! - Place Value Worksheet
A worksheet for students to use when learning to write two-digit numbers in expanded form.
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Black and White Number Chart 1–120
A black and white number chart showing the numbers 1-120.
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Subtraction Algorithm PowerPoint Presentation
An engaging subtraction algorithm teaching presentation.
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Open-ended Math Problem Solving - Grades 1, 2, and 3 (Task Card Version)
A set of 20 open-ended problem solving task cards covering a range of mathematical concepts.
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Different Ways to Write Numbers Worksheet
Practice and review representing number values as digits, words, expanded form, and base ten.
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Whole Numbers on a Number Line - Task Cards
Identify the missing whole numbers on a number line with this set of 16 task cards.
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Comparing Three-Digit Numbers – Worksheet
Practice comparing 3-digit numbers with this hands-on worksheet.
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Mental Math Subtraction Posters
Use this set of subtraction posters in your classroom when teaching different mental math strategies.
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Fact Family Rocket Blast Off - Addition and Subtraction Fill and Sort
A fill and sort activity to demonstrate an understanding of addition and subtraction fact families.
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Hundreds Chart Mystery Picture Task Cards
Practice identifying numbers 1-100 with this set of 32 mystery picture task cards.
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Number Talks - Place Value Task Cards
Build number sense skills with this set of 24 task cards.
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Number Talks - Three-Digit Addition Task Cards
Build number sense skills with this set of 24 task cards.
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Jump Strategy: Addition – Worksheet
An addition worksheet that focuses on the jump strategy.
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Split Strategy Worksheet
Practice using the split strategy when adding two-digit numbers with this worksheet.
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Addition Algorithm PowerPoint Presentation
An animated teaching presentation focused on the addition algorithm.
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Math Mazes (Place Value)
Determine the correct paths through each maze using knowledge of place value.
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Addition and Subtraction Minute Math Booklet
A math warm-up booklet with ten pages of addition and subtraction questions.
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Place Value Bulletin Board
Unlock place value understanding with this bulletin board for back-to-school that can remain on the wall all year long!
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Numeral Expander for 5-Digit Numbers
A resource to help reinforce place value and writing 5-digit numbers in expanded form.
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Mental Math Addition Posters
Use this set of addition posters in your classroom when teaching different mental math strategies.
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Compensation Strategy Interactive PowerPoint
A 21-slide, editable teaching presentation focusing on the compensation addition strategy.
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Missing Part Path
A worksheet to use when learning about various subtraction strategies.