Year 3 – Addition and Subtraction

Welcome to Year 3 Addition and Subtraction Value at Primary Maths Hub. Here you will find a growing library of outstanding resources and activities to support addition and subtraction lessons in Year 3 and at home.  

 

If there’s a resource you’d like to see here, just visit our ‘Request a Resource’ page and Primary Maths Hub will create the resource and add it to the site.

Do Now Tasks / Starters

Addition to 1,000 Do Now Tasks

Subtraction to 1,000 Do Now Tasks

Mental Addition

Adding 3 Digit Numbers and Hundreds Mentally

Adding 3 Digit Numbers and Tens Mentally – 
Bridging 100

Adding 3 Digit Numbers and Tens Mentally – 
Not Bridging 100

Mental Subtraction

Subtracting 3 Digit Numbers and Ones Mentally – 
Bridging 10

Subtracting 3 Digit Numbers and Ones Mentally – 
Not Bridging 100

Subtraction –
3 Digit Numbers and
Hundreds Mentally

Subtracting 3 Digit Numbers and Ones Mentally – 
Bridging 10

Subtracting 3 Digit Numbers and Ones Mentally – 
Not Bridging 10

Subtracting 3 Digit Numbers and Tens Mentally – 
Bridging 100

Subtracting 3 Digit Numbers and Tens Mentally – 
Not Bridging 100

Addition

Column Addition
No Re-Grouping

Column Addition 
Re-Grouping

Column Addition (Regrouping)

Faded Scaffolding Strips- Addition to 1,000 – No Regrouping

Faded Scaffolding Strips- Addition to 1,000 – Regrouping

3 Digit Add 3 Digit- Column Addition (Regrouping)

3 Digit Subtract 3 Digit- Column Addition (Regrouping)

Faded Scaffolding Strips- 3 Digit Add 3 Digit – Regrouping

Subtraction

Column Subtraction
No Re-Grouping

Column Subtraction
Re-Grouping

Faded Scaffolding Strips- Subtraction to 1,000 – No Regrouping

Faded Scaffolding Strips- Subtraction to 1,000 – Regrouping

Faded Scaffolding Strips- Subtraction to 1,000 – Subtract From Multiple of 100

Faded Scaffolding- 3 Digit Subtract 3 Digit- Regrouping

Mixed Addition and Subtraction

Mixed Column
Addition and Subtraction

Missing Number Problems

Equality and Inequality Statements

Equality and Inequality Statement Matching

Reasoning

Add 1s Crossing 10 Reasoning

Add 2 Numbers (No Exchanging) Reasoning

Add 10s Crossing 100 Reasoning

Add and Subtract Hundreds Reasoning

Add and Subtract Ones Within 10 Reasoning

Add and Subtract Tens Within 100 Reasoning

Subtract 1s Crossing 10 Reasoning

Subtract 10s Crossing 100 Reasoning

Subtract Numbers (No Exchanging) Reasoning

Reasonin

Word Problems and Challenges

Resources to Support Addition and Subtraction

Subtraction
Layout Support

Column Addition Up To 3 Digits- Steps to Success

Column Subtraction Up To 3 Digits- Steps to Success

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