# Math 1.5

Algebraic reasoning. The student applies mathematical process standards to identify and apply number patterns within properties of numbers and operations in order to describe relationships. The student is expected to:

- (1) recite numbers forward and backward from
any given number between 1 and 120;
- (A) skip count by twos, fives, and tens to determine the total number of objects up to 120 in a set;
- (B) use relationships to determine the number that is 10 more and 10 less than a given number up to 120;
- (C) represent word problems involving addition and subtraction of whole numbers up to 20 using concrete and pictorial models and number sentences;
- (D) understand that the equal sign represents a relationship where expressions on each side of the equal sign represent the same value(s);
- (E) determine the unknown whole number in an addition or subtraction equation when the unknown may be any one of the three or four terms in the equation; and
- (F) apply properties of operations to add and subtract two or three numbers.

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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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#### Number of the Day Worksheet

A number of the day worksheet with a variety of tasks to practice number sense skills.

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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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#### Skip Counting Number Puzzles

A fun and engaging set of 10 number puzzles to help students skip count in the classroom.

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#### Numbers 1 To 1,000

Numbers 1 to 1,000 displayed on a set of bright and colorful posters.

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#### Dot-to-Dot Drawing - Counting by 1 - Caterpillar

A dot-to-dot worksheet to practice counting to 100 by 1's.

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#### Fact Family Find and Flip - Addition and Subtraction Up to 20

Addition and subtraction game cards demonstrating the relationship between fact families.

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#### Dot-to-Dot Drawing - Counting by 1 - Dove

A dot-to-dot worksheet to practice counting to 100.

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#### Dot-to-Dot Drawing - Counting by 1 - Elephant

A dot-to-dot worksheet to practice counting to 100.

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#### Place Value Work Mat

Practice place value concepts with this work mat for students.

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#### One More, One Less - Cut and Paste Worksheet

Practice adding and subtracting 1 from a given 2-digit number in this cut-and-paste worksheet.

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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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#### Roll and Color Worksheet - Ten More, Ten Less

An interactive worksheet to practice finding the number that is 10 more and 10 less than a given number.

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#### CUBES Bulletin Board and Bookmark Set

Tackle word problems with this CUBES problem-solving bulletin board and bookmark set.

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#### Christmas Printables - Math Skip Counting Puzzles

Grab a set of 10 printable Christmas puzzles to help students skip count in the classroom.

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#### Printable Skip Counting Worksheets and Charts

Practice and review skip counting by 2,3,4,5,and 10 with a pack of printable skip counting worksheets and anchor charts.

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#### Number Talks - Making Ten Task Cards

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

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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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#### Missing Values Number Chart - 1–120

A black and white chart representing numbers 1-120.

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#### Blank Hundreds Chart Template

A blank black and white hundreds board that can be used for a variety of activities.

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#### Skip Counting by 2s Dominoes

A set of dominoes to use in the classroom when skip counting by 2s from 0 to 100.

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#### Skip Counting by 5s Dominoes

A set of dominoes to use in the classroom when learning to skip counting by 5s.

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#### Skip Counting by 10s Dominoes

A set of dominoes to use in the classroom when learning to skip count by 10.

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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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#### 1 to 20 Parking Lot Number Match

A parking lot themed number matching activity to use in the classroom when identifying the numbers from 1 to 20 in word and standard form.

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#### Moving Mathematics Activity - Skip Counting By Twos

A fun and active way to practice counting by 2s.

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#### Dot-to-Dot Drawing - Counting by 5 - Dinosaur

A dot-to-dot worksheet to practice counting by 5’s to 170.

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#### Dot-to-Dot Drawing - Counting by 10 - Horse

A dot-to-dot worksheet to practice counting by 10’s to 620.

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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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#### 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.

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#### I Have, Who Has? Game - Place Value (2-Digit Numbers)

A whole-class game to reinforce your students' understanding of place value.