Standard 2 : Recite number names sequentially within 100 and develop an understanding for place value.



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General Information

Number: MA.K.NSO.2
Title: Recite number names sequentially within 100 and develop an understanding for place value.
Type: Standard
Subject: Mathematics (B.E.S.T.)
Grade: K
Strand: Number Sense and Operations

Related Benchmarks

This cluster includes the following benchmarks
Code Description
MA.K.NSO.2.1: Recite the number names to 100 by ones and by tens. Starting at a given number, count forward within 100 and backward within 20.
Clarifications:
Clarification 1: When counting forward by ones, students are to say the number names in the standard order and understand that each successive number refers to a quantity that is one larger. When counting backward, students are to understand that each succeeding number in the count sequence refers to a quantity that is one less.

Clarification 2: Within this benchmark, the expectation is to recognize and count to 100 by the end of Kindergarten.

MA.K.NSO.2.2: Represent whole numbers from 10 to 20, using a unit of ten and a group of ones, with objects, drawings and expressions or equations.
MA.K.NSO.2.3: Locate, order and compare numbers from 0 to 20 using the number line and terms less than, equal to or greater than.
Clarifications:
Clarification 1: Within this benchmark, the expectation is not to use the relational symbols =,> or <.
Clarification 2: When comparing numbers from 0 to 20, both numbers are plotted on the same number line. 
Clarification 3: When locating numbers on the number line, the expectation includes filling in a missing number by counting from left to right on the number line.


Related Access Points

This cluster includes the following access points.

Access Points

Access Point Number Access Point Title
MA.K.NSO.2.AP.1: Express number names from 1 to 100 by ones and from 10 to 100 by tens. Starting at a given number, count forward to 20 and backwards within 10.
MA.K.NSO.2.AP.2: Represent whole numbers from 10 to 19, using one group of 10 ones and some further ones, with objects, drawings or verbalization.
MA.K.NSO.2.AP.3: Locate and compare two numbers from 0 to 10 to determine which number is less than, equal to or greater than the other number.


Related Resources

Vetted resources educators can use to teach the concepts and skills in this topic.

Original Student Tutorials

Name Description
Hopscotch Counting On: 11-20:

Count on beginning at any number within 11-20 in this playground-themed, interactive tutorial.

This is part 2 in a two-part series. Click to open Part 1, Hopscotch Counting On: 1-10.

Hopscotch Counting On: 1-10:

Count on beginning at any number within 1-10 in this interactive tutorial.

Washing Hands: Counting to 20:

Learn how to wash your hands and count to 20 in this interactive tutorial.

Counting on by Ones When Given Any Number From 0 through 20:

Practice counting on by ones from a given number zero through twenty, as you help Miranda and Jacob in this interactive tutorial.

Counting by Ones:

Join Thomas and count to twenty by ones in this interactive tutorial.

I Can Count... By Ones to Ten:

Learn to count to ten by ones with this interactive tutorial.

Formative Assessments

Name Description
Count On:

Students begin counting at a number other than one.

What Day of School Is It?:

Students are told what day of school it is and then asked to determine what day it will be 10 days later and what day comes after day 59.

Ten Ones and Some Other Ones:

Students use cubes to make a set of 10 ones and other ones to represent the number 17 and then write an equation or draw a picture that reflects this decomposition.

Make Tens and Ones:

Students use a ten frame to decompose 12 into tens and ones.

Count the Candy Corn:

Students count to 100 by tens.

Count By Ones:

Students count by ones to 45.

Counting On:

Students begin counting at a number other than one.

Bundles of Ten:

Students are asked to count by tens and then use pictures of bundles of tens to demonstrate when counting by tens.

Apples in a Bag:

Students are asked to consider what number comes next in the known sequence.

Decomposing 15:

Students are asked to break 15 into a group of 10 and some further ones.

Counting Strategies:

Students are asked to determine the total number of counters in three bags. One of the three bags is labeled with the number of items it contains, and the total number of counters is less than 20.

Composing 13:

Students are asked to compose 13 by using a group of 10 and some other ones.

Count the Dots Game:

Students use ten frames to Count On from a number other than one.

Lesson Plans

Name Description
She’s a Grand Old Flag:

Students will identify the American flag as an important symbol of the United States. They will collect and sort data from the American Flag and compare the attributes. Students will sort and count red stripes and white stripes, long stripes and short stripes, long red stripes and long white stripes, short red stripes and short white stripes. Students will compare the stripes using the number line. They will also count stars by 1’s and 10’s in this integrated lesson plan.

Puzzling US Symbols:

Students will piece together a puzzle with numbered pieces (1-10 or 11-20) to reveal an image which they should recognize as a symbol that represents the United States (ie: American flag, bald eagle, U.S. Presidents George Washington or Abraham Lincoln) in this integrated lesson plan.

Working with Teen Numbers:

This lesson uses manipulatives, drawings, expressions and equations to provide understanding of the composition of teen numbers as a unit of ten and a group of ones.

Goodie Bags: Counting Forward:

This lesson is designed to provide students explicit instruction on counting forward using something they love: Candy! Students will use the candy as a real-world example of a time when counting forward is a useful strategy, in the context of getting goodie bags ready for a party.

X-Ray Superpower:

With the teacher's modeling, students will be able to understand that teen numbers are made up of a unit of ten and some more ones.

Sweetie Cake Pops:

In this Kindergarten MEA lesson, students will work cooperatively to help Sweetie Cake Pops improve their recipe. They will work in groups to look at a data table and generate responses orally and written. Additionally, this lesson has a mathematical focus of skip counting by tens.

Model Eliciting Activities, MEAs, are open-ended, interdisciplinary problem-solving activities that are meant to reveal students’ thinking about the concepts embedded in realistic situations. Click here to learn more about MEAs and how they can transform your classroom.

Fireflies - Numbers 11-19:

In this lesson, students will manipulate beans (fireflies) to represent numbers 11-19 as a unit of ten and a group of ones.

Show me 1,2,3,4,5:

This lesson is designed to teach students to write and represent groups of numbers using drawings. This lesson will cover the numbers 1 to 5.

Counting On With SPLASH:

In this lesson, students will count forward from a given number while manipulating animals in a pond during a read aloud by the teacher.

Counting Colorful Cockatoos:

Poor Professor Dupont! He is missing his prized cockatoos! Help Professor Dupont find his special birds one by one as you turn the page. After helping Professor Dupont find his special cockatoos, create a classroom tree and sort the birds by color. You will have a fine feathered fantastic time counting and sorting!

You Are a Smart Cookie:

The students will use M&M's to find the number that makes 10, for any number from 1 to 9, when added to the given number. Students will record the answer as both a drawing and an equation.

Let Bullwinkle and His Friends Help You Count to 100:

Get your antlers ready and be prepared to travel to the Great White North to count to 100 by 1's and 10's. Bullwinkle the Moose and Fred the Reindeer show students how counting to 100 can be fun. Part of this interactive lesson can be done every morning during calendar time to continue practicing counting by 1’s and 10’s.

Ten is a Friend!:

Students will learn about the concept of ones and tens and how 10 is a friendly number that we can utilize in various ways in mathematics. They will physically manipulate snap cubes to make a ten train and add on randomly selected ones that will include the numbers 11-19. After that students will draw representations of the numbers 11-19 and finally write the two-digit number that a ten train and a selected group of ones will create.

Counting by 10's with Zero the Hero and Little Count:

In this lesson students will learn to count to 100 by 10's. The relationship between the numbers 1-10 and 10-100 will be made using the 100's chart followed by a PowerPoint story about Little Count the Caterpillar. Students will make their own Little Count the Caterpillar using circle body segments, where each circle represents the numerals 10, 20, 30... 

Fishy Lengths - Which fish is right for my aquarium?:

Students explore lengths of fish to determine if fish are too long to fit in different sized aquariums. Students will use non-standard units and measuring tools to compare the lengths of fish and boxes without being able to directly hold the fish near the boxes.

Ten Red Apples - One less:

This activity practices taking one away from a number to compose an equation.

Let's Go on a Counting Walk:

For this lesson, students will practice counting from a given number in the counting sequence. Students will go on a "Counting Walk" to practice this concept.

Decompose That Teen Number!:

The students will receive explicit instruction from the teacher on the definition of decomposing a number and how to represent a decomposition with manipulatives, drawings, and equations. The students will use linking cubes to reflect numbers from 11-19, and to show their understanding of how to decompose a number. Students will record decompositions as an equation.

How Many? Lesson 1 of 3:

The students will show understanding of the conservation of numbers regardless of the order in which objects were counted. The students will be able to tell "how many" without recounting objects and be able to explain that the amount is the same because no objects were added or taken away. 

How Many? Lesson 2 of 3:

In this lesson, students will show understanding of the conservation of numbers regardless of the order in which they were counted. Student will be able to tell "how many" without recounting objects and be able to explain that the amount is the same because no objects were added or taken away.

How Many? Lesson 3 of 3:

In this lesson, students will show understanding that "one more" is the next counting number. Student will be able to tell "how many" without recounting objects and be able to explain that the total amount is the next counting number because it is one more.

Ten and Some More (Exploring Numbers 11-20):

In this lesson, students will represent numbers 11-19 using a unit of ten and a group of ones using objects. As an optional extension task, students will be challenged to use their knowledge of numbers 11-20 represented as a unit of ten and a group of ones to complete posters in a mock real-world situation involving free tickets.

Perspectives Video: Teaching Idea

Name Description
Equations on the Math Balance:

Unlock an effective teaching strategy for teaching inequalities and equations with the math balance in this Teacher Perspectives video for educators.

Tutorials

Name Description
Monkeys for a party:

In this tutorial video from Khan Academy, explore place value relationships with tens and ones within 20.

Teens as sums with 10:

In this tutorial video from Khan Academy, place value patterns are explored in "teen" numbers.



Student Resources

Vetted resources students can use to learn the concepts and skills in this topic.

Original Student Tutorials

Title Description
Hopscotch Counting On: 11-20:

Count on beginning at any number within 11-20 in this playground-themed, interactive tutorial.

This is part 2 in a two-part series. Click to open Part 1, Hopscotch Counting On: 1-10.

Hopscotch Counting On: 1-10:

Count on beginning at any number within 1-10 in this interactive tutorial.

Washing Hands: Counting to 20:

Learn how to wash your hands and count to 20 in this interactive tutorial.

Counting on by Ones When Given Any Number From 0 through 20:

Practice counting on by ones from a given number zero through twenty, as you help Miranda and Jacob in this interactive tutorial.

Counting by Ones:

Join Thomas and count to twenty by ones in this interactive tutorial.

I Can Count... By Ones to Ten:

Learn to count to ten by ones with this interactive tutorial.

Tutorials

Title Description
Monkeys for a party:

In this tutorial video from Khan Academy, explore place value relationships with tens and ones within 20.

Teens as sums with 10:

In this tutorial video from Khan Academy, place value patterns are explored in "teen" numbers.



Parent Resources

Vetted resources caregivers can use to help students learn the concepts and skills in this topic.

Tutorials

Title Description
Monkeys for a party:

In this tutorial video from Khan Academy, explore place value relationships with tens and ones within 20.

Teens as sums with 10:

In this tutorial video from Khan Academy, place value patterns are explored in "teen" numbers.