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.
- Free Plan
I Can See Numbers Everywhere! - Worksheet
A booklet template for students to use when recording numbers found in different locations.
- Plus Plan
Numbers in Our Environment - Recording Sheet
A worksheet for students to use when identifying numbers around the school grounds.
- Plus Plan
2-Digit Number of the Day Worksheet
A 2-digit place value worksheet to represent the number of the day in different ways.
- Plus Plan
Numbers 1-30 Posters - Tallies, Tens Frames, and Base-10 Blocks
Posters showing numbers 1-30 with associated images.
- Plus Plan
1-100 Flashcards (Using Craft Stick Bundles)
Use these flashcards when learning about numbers and words.
- Plus Plan
Two-Digit Place Value Bingo Game (Digits and Craft Sticks)
32 bingo cards using place value to 99.
- Plus Plan
1-100 Number Flashcards Using Base 10 Blocks
Use these flashcards when learning about numbers and words.
- Plus Plan
Numbers 1 to 10 – Poster
A poster of numbers in different forms.
- Plus Plan
0-20 Number Matching Game
Match different representations of numbers 0 to 20.
- Plus Plan
0–30 in Numbers and Words - Posters
Posters showing 0–30 in standard and word form.
- Plus Plan
Numbers 1–20 Dominoes
A set of dominoes to practice identifying the numbers 0–20 in standard and word form.
- Free Plan
Aliens in a Spaceship Counting & Subitizing Game
Download a fun, hands-on game for teaching kids to count and use one-to-one correspondence or to subitize.
- Plus Plan
Missing Values Number Chart - 1–120
A black and white chart representing numbers 1-120.
- Plus Plan
Subitizing Small Collections PowerPoint
An interactive, 34-slide editable PowerPoint presentation to use when teaching students to subitize.
- Plus Plan
Subitizing Numbers to 10 - Worksheet
A worksheet for students to use when learning to subitize numbers to 10.
- Plus Plan
Representing Numbers 1–10 - Worksheet
A worksheet for students to practice representing numbers from 1–10.
- Plus Plan
Interactive Base-10 Blocks
Explore an interactive base 10 block manipulator tool made for your elementary classroom! Teach place value, help students visualize problems, and more!
- Plus Plan
My Mini Number Book Resource Pack
A set of little books with activities for the numbers 1–20.
- Plus Plan
Exploring 2-Digit Place Value Unit Plan
This mathematics unit addresses a range of 2-digit place value number concepts involving identifying, sequencing, and representing.
- Plus Plan
Exploring Numbers Unit Plan
This Mathematics unit addresses a range of number concepts involving identifying, sequencing and representing.
- Plus Plan
Representing Numbers - Assessment Task
A hands-on assessment task in which students will demonstrate their understanding of how the numbers from 0 to 10 can be represented in different ways.
- Plus Plan
Practicing Subitizing
A 60 minute lesson in which students will quickly identify a small collection of objects with the use of subitizing.
- Plus Plan
Subitizing Small Collections
A 60 minute lesson in which students will use subitizing to count small collections.
- Plus Plan
Assessment - Representing 2-Digit Numbers
An assessment task in which students will demonstrate an understanding of 2-digit place value.
- Plus Plan
Placing Numbers on a Number Line
A 60-minute lesson in which students will understand how numbers are placed on a number line.
- Plus Plan
Decomposing and Expanding 2-Digit Numbers
A 60-minute lesson in which students will understand how 2-digit numbers can be decomposed.
- Plus Plan
2-Digit Place Value
A 60-minute lesson in which students will understand that 2-digit numbers are made up of tens and ones.