# Teaching for mastery in primary maths

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## Converting between different units of measure

• Year group: Year 4
• Term: Autumn
• Topic: Length, weight and volume
• Duration: 0.5 weeks
• Keystage: KS2
• Age Range: 8 to 9 yrs
• Unit can be taught out of sequence: Y
• Week Range: 8b

In this chapter, pupils convert between different units of measure, using concrete objects and visual representations.

In doing so, pupils reinforce their understanding of each measure and explore the links to previous work on place value, multiplication and division.

Pupils solve problems in which they convert between different units of measure (eg, converting between centimetres and metres to determine whether 146cm is greater or less than 1.4 metres). They see how number work can be applied to measure in authentic contexts.

## Resources for this topic

### White Rose Maths

#### Reasoning - Problem Solving - Number Problems Galore - March 16th

Here are today's questions. There are two problems for KS1 and two for KS2.

In KS1 problem children have to find missing numbers in an addition pyramid and see if they can reason to find a missing number in a different one. They then have to solve a multi-step problem, which initially looks easier than it actually is.

At KS2 children have to be able to adding fractions and decimals together and convert between fraction and decimal. For the second question children have to adding and subtract decimals after converting to the same unit of measure.

Every day in March the White Rose Maths Hub is aiming to put out a question of the day.

Tweet us @WRMathsHub a picture of your children's answers for a chance to win a prize.

#### Converting measures

Direct link to our Y4 scheme.

### Mathematics Mastery

#### Converting between different units of measure

Mathematical discussion is a key element of the Mathematics Mastery programme.

Talk Tasks are a brilliant way of enabling pupils to develop their mathematical language, thinking, understanding and confidence.

This activity explores the concept of converting between different units of measure.

• Talk tasks are best completed in mixed attainment pairs, with pupils taking turns to listen and construct arguments
• Emphasis is on discussion rather than the solution, encouraging pupils to use key language and talk in full sentences
• Ask pupils to prove their answers in a variety of ways, using the CPA approach to support mathematical understanding and number sense

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.

#### Converting between different units of measure

Enabling pupils to develop their mathematical reasoning skills through independent work is a key element of the Mathematics Mastery programme.

This activity explores the concept of converting between different units of measure

• Pupils should complete these tasks using concrete manipulatives as part of the CPA approach
• Pupils should be encouraged to explain their working in full sentences
• These tasks may be adapted with pupils working in pairs to encourage mathematical discussion

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

#### Maths Converting Metric Units Worksheet

KS3 Maths worksheet. I find these worksheets very useful to give the pupils as homework’s; they can be trimmed and then stuck into exercise books. The pupils like them and they save on marking time. You will need to change the school logo to your own.

#### Measures

Conversion of units

#### Y3 - mm, cm, m, km

From 1cm/10mm to 7km, these slides show equivalent units that children sitting with rulers can relate to, well to start with...

#### Shape & Space patio investigation

A lesson resource pack based on a real life problem about building a patio. (Actually based on my own patio!). To be delivered over 1 or several lessons. Differentiated activitiy sheets to suit Year 4 - 6. Topics also included: using and applying numbers; multi-step problems.