# Math K.2

Number and operations. The student applies mathematical process standards to understand how to represent and compare whole numbers, the relative position and magnitude of whole numbers, and relationships within the numeration system. The student is expected to:

- (1) count forward and backward to at least 20 with and without objects;
- (A) read, write, and represent whole numbers from 0 to at least 20 with and without objects or pictures;
- (B) count a set of objects up to at least 20 and demonstrate that the last number said tells the number of objects in the set regardless of their arrangement or order;
- (C) recognize instantly the quantity of a small group of objects in organized and random arrangements;
- (D) generate a set using concrete and pictorial models that represents a number that is more than, less than, and equal to a given number up to 20;
- (E) generate a number that is one more than or one less than another number up to at least 20;
- (F) compare sets of objects up to at least 20 in each set using comparative language;
- (G) use comparative language to describe two numbers up to 20 presented as written numerals; and
- (H) compose and decompose numbers up to 10 with objects and pictures.

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#### Aliens in a Spaceship - Counting Game

A fun, hands-on game for children to play when learning to count and use one-to-one correspondence or when learning to subitize.

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#### Subitizing Numbers to 10 - Worksheet

A worksheet for students to use when learning to subitize numbers to 10.

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#### Subitizing Dice - Numbers 1 to 9

Subitizing is the process of immediately recognizing how many items are in a small group.

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#### Writing Numbers 0–20 - Poster

A poster for students to reference when learning how to write the numbers 0–20.

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#### 1 to 20 Clothesline Number Cards

A set of number cards to use in the classroom when learning to put the numbers 1–20 in numerical order.

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#### Roll, Count, and Cover

Practice one-to-one correspondence with this set of 4 animal templates.

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#### Subitizing 1 to 12 - Memory Game

A set of subitizing cards for students to play a game of memory when learning to subitize numbers.

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#### Color by Number - Numbers 10–20

A color by number activity for students to practice recognizing teen numbers.

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#### One More, One Less Board Game

Practice identifying one more and one less up to 6 with this board game.

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#### Spin and Sort – More, Less, Same

Practice comparing numbers with this sorting activity.

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#### Subitize This! – Lesson Warm-up

Use this subitizing slide deck as a quick warm-up before your lessons.

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#### Kindergarten Number Worksheets

Use this set of worksheets when students are practicing connecting numbers to words and quantities.

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#### Spring "Numberpillars" - Kindergarten Math Center

Match numbers 1-10 with their various visual representations to build a fun mathematical caterpillar!

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#### Numbers to 30 - Tens Frames - Printable

Use a printable ten frame when working on counting, addition and subtraction, odd and even numbers, or place value.

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#### Number Talks - Ten Frame Task Cards

Build number sense skills with this set of 30 ten and double ten frame math talk task cards.

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#### Representing Numbers 1–10 - Worksheet

A worksheet for students to practice representing numbers from 1–10.

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#### Numbers 1–20 Dominoes

A set of dominoes to practice identifying the numbers 0–20 in standard and word form.

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#### 1-100 Flashcards (Using Craft Stick Bundles)

Use these flashcards when learning about numbers and words.

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#### Tracing Numbers 0-10

A worksheet to assist students when learning how to write the numbers 0–10.

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#### Numbers 0–20 - Word Search

A word search to help your students to learn the word form for the numbers 0–20.

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#### Exploring 2-Digit Place Value PowerPoint

A 15-page editable PowerPoint to use in the classroom when introducing 2-digit place value.

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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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#### My 2-Digit Place Value Diary

A diary for students to make when showing their understanding of 2-digit place value.

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#### Numbers 0-20 Bingo

A set of 32 bingo cards to practice different representations of the numbers 0-20.

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#### 1–20 Number Matchup Puzzles

A set of 20 matchup puzzles to help students identify the different ways to represent the numbers 1–20.

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#### Counting to Twenty in Word Form - Color Poster

A poster showing numbers and words from 1–20.

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#### Numbers, Words, and Tallies Up to 20 - Worksheet

A worksheet for students to practice representing number 1–20 using numbers, words, and tally marks.

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#### Cover Up! - Subitizing Numbers Game

Help students instantly recognize numbers 1-6 with this multiplayer Valentine’s Day board game.

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#### Numbers 1–20 Clip Cards

A hands-on counting and fine motor activity for younger students.

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#### Number Talks - Subitizing Task Cards

Build number sense skills with this set of 30 subitizing task cards.