# Standard 3: Develop an understanding of addition and subtraction operations with one-digit whole numbers.

General Information
Number: MA.K.NSO.3
Title: Develop an understanding of addition and subtraction operations with one-digit whole numbers.
Type: Standard
Subject: Mathematics (B.E.S.T.)
Strand: Number Sense and Operations

## Related Benchmarks

This cluster includes the following benchmarks.

## Related Access Points

This cluster includes the following access points.

## Access Points

MA.K.NSO.3.AP.1
Explore addition and subtraction of two whole numbers within 5 using objects.
MA.K.NSO.3.AP.2
Apply a strategy for adding and subtracting two one-digit whole numbers to solve within 5.

## Related Resources

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

## Formative Assessments

Fluency Within Five:

Students are asked to orally provide answers to a mixed probe of addition and subtraction (within five) problems.

Type: Formative Assessment

Fluency Within Five – Plus Ones and Minus Ones:

Students are asked to orally provide answers to a mixed probe of addition and subtraction (within five) problems that focus on adding one and subtracting one.

Type: Formative Assessment

Decomposing Six:

Students use manipulatives to decompose six in more than one way.

Type: Formative Assessment

Fluency Within Five – Addition Only:

Type: Formative Assessment

Fluency Within Five – Subtraction Only:

Students are asked to orally provide answers to subtraction (within five) problems.

Type: Formative Assessment

## Lesson Plans

Balancing Equations:

This is an engaging, hands-on lesson to help the students understand the meaning of the equal sign. The lesson is written using a pan/equal arm balance but may be done with just connecting cubes.

Type: Lesson Plan

Monster Math - Composing and Decomposing the Number 10:

This activity will have students finding ways to make ten. Students use two colors of linking cubes to make and record equations of ten.

Type: Lesson Plan

## Tutorials

Making Ten on a Ten Frame and Using Equations and Symbols:

Type: Tutorial

Making Five on a Five Frame and Using Equations and Symbols:

Using a five-frame as a model, you will learn how to use equations to join two addends, to make 5.

Type: Tutorial

Change Unknown - 3 + ? = 10:

In this tutorial, you will learn to find the unknown change in an equation with a sum of 10: 3 + ? = 10.

Type: Tutorial

Subtraction - Using Equations and Symbols to Find an Unknown:

In this tutorial, you will learn to use symbols to record an unknown whole number in a subtraction equation relating to three whole numbers.

Type: Tutorial

Addition - Using Equations and Symbols to Find an Unknown:

In this tutorial, you will learn to use symbols to record an unknown whole number in an addition equation relating to three whole numbers.

Type: Tutorial

## Student Resources

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

## Tutorials

Making Ten on a Ten Frame and Using Equations and Symbols:

Type: Tutorial

Making Five on a Five Frame and Using Equations and Symbols:

Using a five-frame as a model, you will learn how to use equations to join two addends, to make 5.

Type: Tutorial

Change Unknown - 3 + ? = 10:

In this tutorial, you will learn to find the unknown change in an equation with a sum of 10: 3 + ? = 10.

Type: Tutorial

Subtraction - Using Equations and Symbols to Find an Unknown:

In this tutorial, you will learn to use symbols to record an unknown whole number in a subtraction equation relating to three whole numbers.

Type: Tutorial

Addition - Using Equations and Symbols to Find an Unknown:

In this tutorial, you will learn to use symbols to record an unknown whole number in an addition equation relating to three whole numbers.

Type: Tutorial

## Parent Resources

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

## Tutorials

Making Ten on a Ten Frame and Using Equations and Symbols:

Type: Tutorial

Change Unknown - 3 + ? = 10:

In this tutorial, you will learn to find the unknown change in an equation with a sum of 10: 3 + ? = 10.

Type: Tutorial

Subtraction - Using Equations and Symbols to Find an Unknown:

In this tutorial, you will learn to use symbols to record an unknown whole number in a subtraction equation relating to three whole numbers.

Type: Tutorial

Addition - Using Equations and Symbols to Find an Unknown:

In this tutorial, you will learn to use symbols to record an unknown whole number in an addition equation relating to three whole numbers.

Type: Tutorial