# Teaching for mastery in primary maths

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## Short multiplication

• Year group: Year 4
• Term: Autumn
• Topic: Multiplication and division
• Duration: 2 weeks
• Keystage: KS2
• Age Range: 8 to 9 yrs
• Unit can be taught out of sequence: N
• Week Range: 9 - 10

In this chapter, pupils solve two-step problems in different contexts. They choose the appropriate operation and work with numbers of increasing size.

When investigating and solving problems, including correspondence questions, pupils become fluent in the formal written methods of short multiplication. They recall multiplication and division facts up to the 12 times table, which complements their conceptual understanding of multiplication and division more generally.

Building on their understanding of place value, pupils use known and derived facts to multiply and divide mentally, including multiplying by 0 and 1 and dividing by 1. They extend this to three-digit numbers (eg, 600 ÷ 3 = 200 can be derived from 2 x 3 = 6). Later, pupils multiply two and three-digit numbers by a one-digit number using the formal written layout.

## Resources for this topic

### White Rose Maths

#### Related calculations

This worksheet will help children make reasoned decisions about answers to calculations by spotting relationships.

#### Understanding multiplication & division

This true or false activity will show whether children understand the link between multiplication, division and repeated addition.

### Mathematics Mastery

#### Short multiplication

Select ‘View more’ for an accompanying video.

Enabling teachers to continuously develop their practice is a key element of the Mathematics Mastery Programme.

This CPD video provides step-by-step guidance on short multiplication.

Our videos aim to:

• Model teaching tips, techniques and clarify how to make connections between concrete, pictorial and abstract representations
• Support the teaching of different methods and concepts, rather than focusing on one method only
• Enhance subject knowledge and support non-specialists

Like what you see?

Mathematics Mastery is a professional development programme for teachers with a mission to transform mathematics education in the UK.

This task is just a taster of the complete classroom resources we offer. We also provide in-depth development training, online CPD, specialist support and assessment tools.

We believe all elements of our programme are vital in creating lasting change – enabling every child to enjoy and succeed in mathematics.

Want to find out more? Check out our free resources and blogs or join an information session.

#### Short multiplication

Select ‘View more’ for an accompanying video.

Enabling teachers to continuously develop their practice is a key element of the Mathematics Mastery Programme.

This CPD video provides step-by-step guidance on short multiplication.

Our videos aim to:

• Model teaching tips, techniques and clarify how to make connections between concrete, pictorial and abstract representations
• Support the teaching of different methods and concepts, rather than focusing on one method only
• Enhance subject knowledge and support non-specialists

Like what you see?

Mathematics Mastery is a professional development programme for teachers with a mission to transform mathematics education in the UK.

This task is just a taster of the complete classroom resources we offer. We also provide in-depth development training, online CPD, specialist support and assessment tools.

We believe all elements of our programme are vital in creating lasting change – enabling every child to enjoy and succeed in mathematics.

Want to find out more? Check out our free resources and blogs or join an information session.

### Resources shared by teachers

#### Year 4 - Multiplication and Division - Week 9

This pack of resources covers Year 4 multiplication and division for the 9th week of the autumn term. The resources support a mastery approach to teaching mathematics. CPA (Concrete-Pictorial-Abstract) is promoted throughout therefore ensuring you have appropriate concrete resources in your classroom is recommended to make full use of the packs.

Week 9 includes worksheets and activities on:
- Multiplying by 10
- Multiplying by 100
- Dividing by 10
- Dividing by 100
- Mixed questions and problems

I hope you find the resources useful. Feedback very welcome.

#### Year 4 - Multiplication and Division - Week 10

This pack of resources covers Year 4 multiplication and division for the 10th week of the autumn term. The resources support a mastery approach to teaching mathematics. CPA (Concrete-Pictorial-Abstract) is promoted throughout therefore ensuring you have appropriate concrete resources in your classroom is recommended to make full use of the packs.

Week 10 includes worksheets and activities on:
- Multiplying by 1 and 0
- Dividing by 1
- 6 times-table and division facts

I hope you find the resources useful. Feedback very welcome.

#### Year 4 - Multiplication and Division - Week 11

This pack of resources covers Year 4 multiplication and division for the 11th week of the autumn term. The resources support a mastery approach to teaching mathematics. CPA (Concrete-Pictorial-Abstract) is promoted throughout therefore ensuring you have appropriate concrete resources in your classroom is recommended to make full use of the packs.

Week 11 includes worksheets and activities on:
- 9 times-table and division facts
- 7 times-table and division facts
- A set of 4 in a line games for the 2 to 10 times-tables
- A set of multiplication wheels for the 6, 7 and 9 times-tables
- A set of 'Race to the Top' cards that focus on fluency of the 2 to 10 times-tables

I hope you find the resources useful. Feedback very welcome.

#### Short Multiplication - expanded and short form

A powerpoint showing children how to multiply by 10, then moving onto the expanded form of short multiplication and then the formal method of short multiplication. Used with a Year 3 class, to great success.

#### Multiplication Reasoning - Missing Numbers - (Short)

A reasoning style activity focused on children that are secure with short multiplication for HTU X U. This is a missing numbers style activity. Hope you find it useful - please rate!

#### Multiplying and Dividing by 10, 100, and 1000

Scaffold to help support students multiplying and dividing by 10, 100, and 1000.