# Teaching for mastery in primary maths

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## Calculations with four operations

• Year group: Year 6
• Term: Autumn
• Topic: Calculations with four operations
• Duration: 2 weeks
• Keystage: KS2
• Age Range: 10 to 11 yrs
• Unit can be taught out of sequence: N
• Week Range: 5 - 6

In this chapter, pupils use their knowledge of the order of operations to carry out calculations and solve problems.

When given a long calculation, pupils often work from left to right. This frequently leads to the incorrect answer. Experience of this error, particularly in meaningful contexts, helps pupils to understand the importance of calculation order.

In time, pupils know that calculations in brackets should be completed first, before moving onto powers, addition and subtraction, and multiplication and division. Pupils continue to use mental methods to calculate and estimate answers to problems.

## Resources for this topic

### White Rose Maths

#### KS2 Problems - 3rd May

As promised a few more in preparation for SATS next week. Hope they are useful for the classroom.

#### Reasoning - Problem Solving - Number Puzzles (KS1) and Shape Problems (KS2) - March 14th

Here are two problems for KS1 and two for KS2.

In KS1 children have to solve two number puzzles. The first one involves simple operations. The second problem involves fractions. Although the second problem seems quite simple it will tease out lots of misconceptions.

At KS2 children have to reason and problem solve with two shape problems. The first one involves working out the length of a square given the area and the second problem requires a little bar modelling, algebra or trialand error.

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. We had nearly 50 entries last week.

### Mathematics Mastery

#### Calculations with four operations

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 calculations with four operations
• 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.

#### Calculations with four operations

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 calculating with four operations

• 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.

### Resources shared by teachers

#### 100 Mental Maths starters

Designed to jump start Maths lessons. Each slide has three questions when run as a slide show (so there's actually 300 questions). Each question is progressively harder as it goes along (in built differentiation!). Intended as 1 a day starter before leaping into the full lesson but could be used as a 'filler' for rainy days. Based on several other excellent resources I found, combined and added to!

#### BIDMAS Worksheet

Using BIDMAS Putting in brackets Puuting in correct operations

#### Bodmas order of operations

Bodmas order of operations in maths