CCSS.MATH.CONTENT.1.NBT.C.5
Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.
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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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Place Value Work Mat
Practice place value concepts with this work mat for students.
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Math Graphic Organizers - Printable Work Mats
Practice working on specific math concepts with our set of 5 printable math graphic organizers.
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What's Missing? - Ten More, Ten Less Task Cards
Find numbers ten more or ten less than a given two- or three-digit number with this set of 20 task cards.
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Number Pattern Worksheets for Grade 1
Share our number pattern worksheets for grade 1 with your students to introduce them to early concepts of algebra.
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Number Grid Game — Interactive Activity
Share this number grid game with your students to give them practice adding and subtracting ten and one from a given number.
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10 More, 10 Less - Differentiated Mazes
Delight your students with this maze challenge, to practice calculating 10 more or 10 less than a value within 120.
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10 More, 10 Less Coloring Worksheets (Differentiated)
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10 More 10 Less Sorting Card Game
Engage your students and have them practice reading statements about values 10 more or 10 less, then and determining if the statement is accurate.
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Ten More, Ten Less Within 100 - Cut and Paste Worksheet
Practice adding and subtracting 10 from given numbers within 100 in this cut-and-paste worksheet.
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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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Roll and Color Worksheet for Ten More, Ten Less
Use this interactive worksheet to help students practice finding the number that is 10 more and 10 less than a given number.
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Ten More, Ten Less Match-Up - Two-Digit Numbers
Identify ten more or ten less of a given 2-digit number with this set of 36 match up cards
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Ten More, Ten Less Worksheet
Practice or review adding and subtracting 10 from a given number.
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Ten More, Ten Less Task Cards
Practice identifying 10 more and 10 less than a given number with our set of 24 task cards.
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Number Talks - Target Number Task Cards
Build number sense skills with this set of 20 task cards.
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Ten More, Ten Less Dominoes
Practice adding ten more or subtracting ten from a particular number with a set of 27 dominoes.
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Numbers 1 to 100 - Trees
Numbers 1 to 100 displayed on a bright and colorful poster.
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Numbers 1 to 100 - Odds, Evens and Counting in 5's
Numbers 1 to 100 displayed on a bright and colorful poster.
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Number Charts and Number Finder
A number chart and number finder template to use when learning to identify numbers that are 1 more, 1 less, 10 more, and 10 less than a given number.
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Black and White Number Board - 1-120
A black and white number board with numbers 1-120 that can be used for a variety of activities.
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Number Talks Teaching Resource Pack - Grade 1
A collection of number talks teaching resources that support meaningful and highly engaging conversations in the mathematics classroom.