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Common Core: Math
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 Objective: Count 10 objects within counts of 10 to 20 objects, and describe as 10 ones and __ ones.

 Objective: Count and circle 10 objects within images of 10 to 20 objects and describe as 10 ones and ___ ones.

 Objective: Count straws the Say Ten way to 19; make a pile for each ten.

 Objective: Count straws the Say Ten way to 20; make a pile for each ten.

 Objective: Model with objects and represent numbers 10 to 20 with place value or Hide Zero cards.

 Objective: Model and write numbers 10 to 20 as number bonds.

 Objective: Model teen numbers with materials from abstract to concrete.

 Objective: Draw teen numbers from abstract to pictorial.

 Objective: Build a Rekenrek to 20.

 Objective: Explore numbers on the Rekenrek. (Optional.)

 Objective: Represent teen number compositions and decompositions as addition sentences.

 Objective: Represent teen number decompositions as 10 ones and some ones, and find a hidden part.

 Objective: Decompose teen numbers as 10 ones and some ones; compare some ones to compare the teen numbers.

 Objective: Reason about and represent situations, decomposing teen numbers into 10 ones and some ones, and composing 10 ones and some ones into a teen number.

 Objective: Culminating Task—Represent teen number decompositions in various ways.

 In Topic A, students count two separate parts within teen numbers, 10 ones and some ones. They start by counting piles of 10 straws to understand 10 ones. In the Lesson 2, students separate 10 ones...

 In Topic B, students advance to a more abstract level, representing the decomposition of teen numbers first with Hide Zero cards (Place Value cards) and in Lesson 2 with number bonds. They then work...

 Topic C opens in Lesson 10 with students building a Rekenrek to 20, which they will use to count and model numbers for the balance of the year. They will deepen their understanding of the composition...

 Topic E’s Lesson 1 begins as students represent teen number decompositions and compositions by writing addition sentences. In Lesson 2, students make bonds with materials and hide one of the parts...

 Kindergarten Mathematics Module 5: Numbers 10─20; Count to 100 by Ones and Tens Up to this point in Grade K, students have worked intensively within 10 and have often counted to 30 using the Rekenrek...