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Common Core: Math
CCLS  Math: K.NBT.1
 Category
 Number And Operations In Base Ten
 SubCategory
 Work With Numbers 11–19 To Gain Foundations For Place Value.
 State Standard:
 Compose and decompose numbers from 11 to 19 into ten ones and some further ones, e.g., by using objects or drawings, and record each composition or decomposition by a drawing or equation (e.g., 18 = 10 + 8); understand that these numbers are composed of ten ones and one, two, three, four, five, six, seven, eight, or nine ones.
25 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 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...

 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...

 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...

 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...

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

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

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

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

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

 Objective: Build a Rekenrek to 20.

 Objective: Draw teen numbers from abstract to pictorial.

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

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

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

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

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

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

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

 Students are introduced to counting 1019 objects by sorting them into 10 ones and some more ones. They count out 10 objects and circle the group. Then they "count on" from 10 to find the total...

 Students use choral response in a fluency activity as they recognize and say the number of dots on each 10frame, then "count on" from 10 the Say Ten way and the regular way.

 Students count 1019 sticks by first making a group of 10, then counting them the Say Ten and the regular way.

 Students practice counting 1019 objects by first making a group of 10. They then count the objects the Say Ten way and the regular way.