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Common Core: Math
CCLS  Math: 1.NBT.2
 Category
 Number And Operations In Base Ten
 SubCategory
 Understand Place Value.
 State Standard:
 Understand that the two digits of a twodigit number represent amounts of tens and ones. Understand the following as special cases:
26 Results

 Welcome to “Math Studio Talk” a video series that provides games, activities and models to help students develop flexible thinking and deep understanding of math concepts from kindergarten to Grade 5...

 Topic B extends students’ use of counting sequences and understanding of tens and ones to numbers up to and including 120. In Lesson 3, students apply their understanding of tens and ones to two...

 In Topic C, students pick up from their previous work with 10 more and 10 less to extend the concept to adding and subtracting multiples of 10. In Lesson 11, students represent the addition of ten...

 Module 4 builds on students’ work with teen numbers to now work within 40. Working within 40 helps students focus on the units, tens and ones, which can be easily modeled pictorially and concretely...

 Topic D closes the module with students renaming ten as a unit: a ten (1.NBT.2a). This is the very first time students are introduced to this language of ten as a unit, so this is exciting! The unit...

 Objective: Celebrate progress in fluency with adding and subtracting within 10 (and 20). Organize engaging summer practice.

 Objective: Celebrate progress in fluency with adding and subtracting within 10 (and 20). Organize engaging summer practice.

 Objective: Add and subtract multiples of 10 from multiples of 10 to 100, including dimes.

 Objective: Represent up to 120 objects with a written numeral.

 Objective: Count to 120 in unit form using only tens and ones. Represent numbers to 120 as tens and ones on the place value chart.

 Objective: Identify 10 more, 10 less, 1 more, and 1 less than a twodigit number within 100.

 Objective: Write and interpret twodigit numbers to 100 as addition sentences that combine tens and ones.

 Objective: Use the place value chart to record and name tens and ones within a twodigit number up to 100.

 Objective: Interpret twodigit numbers as tens and ones, including cases with more than 9 ones.

 Objective: Compare quantities and numerals from left to right.

 Objective: Compare two quantities, and identify the greater or lesser of the two given numerals.

 Objective: Use dimes and pennies as representations of tens and ones.

 Objective: Write and interpret twodigit numbers as addition sentences that combine tens and ones.

 Objective: Interpret twodigit numbers as either tens and some ones or as all ones.

 Objective: Use the place value chart to record and name tens and ones within a twodigit number.

 Objective: Compare the efficiency of counting by ones and counting by tens.

 Objective: Solve addition and subtraction problems decomposing and composing teen numbers as 1 ten and some ones.

 Objective: Identify 1 ten as a unit by renaming representations of 10.

 Grade 1 Module 6: Place Value, Comparison, Addition and Subtraction to 100 In this final module of the Grade 1 curriculum, students bring together their learning from Module 1 through Module 5 to...