Math 1.2
Number and operations. The student applies mathematical process standards to represent and compare whole numbers, the relative position and magnitude of whole numbers, and relationships within the numeration system related to place value. The student is expected to:
- (1) recognize instantly
the quantity of structured arrangements;
- (A) use concrete and pictorial models to compose and decompose numbers up to 120 in more than one way as so many hundreds, so many tens, and so many ones;
- (B) use objects, pictures, and expanded and standard forms to represent numbers up to 120;
- (C) generate a number that is greater than or less than a given whole number up to 120;
- (D) use place value to compare whole numbers up to 120 using comparative language;
- (E) order whole numbers up to 120 using place value and open number lines; and
- (F) represent the comparison of two numbers to 100 using the symbols >, <, or =.
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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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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!
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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.
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My Mini Number Book Resource Pack
A set of little books with activities for the numbers 1–20.
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September Homeschool Resource Pack - Grade 1
A collection of age-appropriate, Grade 1 teaching resources and activities for homeschool parents to use with their children during the month of September.
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Exploring 3-Digit Place Value Unit Plan
This mathematics unit addresses a range of 3-digit place value number concepts involving identifying, sequencing, and representing numbers.
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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.
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Practicing Subitizing
A 60 minute lesson in which students will quickly identify a small collection of objects with the use of subitizing.
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Subitizing Small Collections
A 60 minute lesson in which students will use subitizing to count small collections.
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Assessment – Representing 3-Digit Numbers
An assessment task in which students will demonstrate an understanding of 3-digit place value.
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Counting Collections in the Hundreds
A 60-minute lesson in which students will explore ways to count collections in the hundreds more efficiently.
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3-Digit Numbers
A 60-minute lesson in which students will identify 3-digit numbers in the environment.
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Decomposing and Expanding 3-Digit Numbers
A 60-minute lesson in which students will understand how 3-digit numbers can be decomposed.
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3-Digit Place Value
A 60-minute lesson in which students will understand that 3-digit numbers are made up of hundreds, tens, and ones.
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Assessment - Representing 2-Digit Numbers
An assessment task in which students will demonstrate an understanding of 2-digit place value.
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Placing Numbers on a Number Line
A 60-minute lesson in which students will understand how numbers are placed on a number line.
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Introduction to Number Lines
A 60-minute lesson in which students will identify the basic features of a number line.
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Decomposing and Expanding 2-Digit Numbers
A 60-minute lesson in which students will understand how 2-digit numbers can be decomposed.
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2-Digit Place Value
A 60-minute lesson in which students will understand that 2-digit numbers are made up of tens and ones.
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Let's Count!
A 60-minute lesson in which students will identify and order numbers from 0 to 120.