# 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.

- Plus Plan
### Math Graphic Organizers - Printable Work Mats

Practice working on specific math concepts with our set of 5 printable math graphic organizers.

- Plus Plan
### 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.

- Plus Plan
### Number of the Day Worksheet

Explore numbers using this number of the day worksheet with your students.

- Free Plan
### Black and White Number Chart 1–120

A black and white number chart showing the numbers 1-120.

- Plus Plan
### Place Value Work Mat

Practice place value concepts with this work mat for students.

- Plus Plan
### 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.

- Plus Plan
### 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.

- Free Plan
### 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.

- Plus Plan
### 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.

- Plus Plan
### 10 More, 10 Less Coloring Worksheets (Differentiated)

- Plus Plan
### Mental Math Addition Posters

Use this set of addition posters in your classroom when teaching different mental math strategies.

- Plus Plan
### 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

- Plus Plan
### Ten More, Ten Less Worksheet

Practice or review adding and subtracting 10 from a given number.

- Plus Plan
### Ten More, Ten Less Task Cards

Practice identifying 10 more and 10 less than a given number with our set of 24 task cards.

- Plus Plan
### Number Talks - Target Number Task Cards

Build number sense skills with this set of 20 task cards.

- Plus Plan
### Ten More, Ten Less Dominoes

Practice adding ten more or subtracting ten from a particular number with a set of 27 dominoes.

- Plus Plan
### Numbers 1 to 100 - Trees

Numbers 1 to 100 displayed on a bright and colorful poster.

- Plus Plan
### Numbers 1 to 100 - Odds, Evens, and Counting in 5's - Rainforest

Numbers 1 to 100 displayed on a bright and colorful poster.

- Plus Plan
### Numbers 1 to 100 - Rainforest

Numbers 1 to 100 displayed on a bright and colorful poster.

- Plus Plan
### Numbers 1 to 100 - Odds, Evens and Counting in 5's

Numbers 1 to 100 displayed on a bright and colorful poster.

- Plus Plan
### Number Grid Game

A number grid game to practice determining a number that is 1 more, 1 less, 10 more, and 10 less than a given number.

- Plus Plan
### 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.

- Plus Plan
### 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.

- Plus Plan
### 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.