# 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.

### Examples

The number 13 can be represented as the verbal expression “ten ones and three ones” or as “1 ten and 3 ones”.
General Information
Subject Area: Mathematics (B.E.S.T.)
Strand: Number Sense and Operations
Date Adopted or Revised: 08/20
Status: State Board Approved

## Related Courses

This benchmark is part of these courses.
5012020: Grade Kindergarten Mathematics (Specifically in versions: 2014 - 2015, 2015 - 2022, 2022 and beyond (current))
7712015: Access Mathematics - Grade Kindergarten (Specifically in versions: 2014 - 2015, 2015 - 2018, 2018 - 2022, 2022 and beyond (current))
5012005: Foundational Skills in Mathematics K-2 (Specifically in versions: 2019 - 2022, 2022 and beyond (current))

## Related Access Points

Alternate version of this benchmark for students with significant cognitive disabilities.
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.

## Related Resources

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

## Formative Assessments

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.

Type: Formative Assessment

Make Tens and Ones:

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

Type: Formative Assessment

Decomposing 15:

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

Type: Formative Assessment

Composing 13:

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

Type: Formative Assessment

## Tutorials

Monkeys for a party:

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

Type: Tutorial

Teens as sums with 10:

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

Type: Tutorial

## MFAS Formative Assessments

Composing 13:

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

Decomposing 15:

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

Make Tens and Ones:

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

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.

## Student Resources

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

## Tutorials

Monkeys for a party:

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

Type: Tutorial

Teens as sums with 10:

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

Type: Tutorial

## Parent Resources

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

## Tutorials

Monkeys for a party:

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

Type: Tutorial

Teens as sums with 10:

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

Type: Tutorial