# Year 5 (age 9 – 10) Calculations Maths Activities CD

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Over 100 separate activities which give children confidence and competence with calculating and mental arithmetic. Each activity gives a clear focus to the relevant Mathematics Framework and creates numerate and confident pupils.

### Calculating accurately

Your children can move ahead of the average, enjoy their maths and be inspired by numbers. This CD promotes a consistent use of efficient written methods for all four operations as required by the Primary Framework for Mathematics.

### Help

Clear, optional help files, to assist pupils with mental methods as well as guiding children through pencil and paper methods of addition, subtraction, multiplication and division.

Easy one-click print outs for record keeping/short term assessment.

### As well as timed challenges and games, activities for the year 5 CD include:

#### Revise addition facts and strategies

- revise 2-digit numbers that total 100
- revise adding 9
- revise 2-digit addition
- understand the vocabulary of addition
- which two numbers have a total of…?
- revise addition of decimals

#### Addition of multiples of 10 and 100

- add two multiples of 100
- add a 3-digit multiple of 10 to a 3-digit number
- add a multiple of 10 to make 1000
- pairs of multiples of 50 that make 1000
- add 3 multiples of 100

#### Apply addition strategies

- add three small numbers
- add four small numbers
- add the nearest multiple of 10 and adjust
- relate addition and multiplication

#### Efficient written methods for addition

- adding decimals
- efficient written method: adding 2-digits
- efficient written method: adding 3-digits
- efficient written method: adding money

#### Revise subtraction facts and strategies

- revise 2-digit subtraction
- understand the vocabulary of subtraction
- subtract a larger number from a smaller number
- subtract multiples of 100
- subtract 3-digit multiples of 10
- subtract 99

#### Use knowledge to derive differences

- find a difference by counting up
- find a difference either side of a multiple of 1000
- find a difference (1)
- find a difference (2)
- subtract the nearest multiple of 10 and adjust
- subtract decimals

#### Efficient written methods for subtraction

- efficient written method: 2-digits
- efficient written method: 3-digits
- efficient written method: money

#### Addition and subtraction of decimals

- decimals that total 1
- identify near doubles with decimals
- add a pair of decimal fractions
- subtract a pair of decimal fractions
- add a decimal to a whole number

#### Calculate doubles and halves

- double multiples of 10
- double multiples of 100
- halve multiples of 10
- double a decimal fraction
- halve a decimal fraction

#### Revise understanding of multiplication

- start to use brackets
- use the vocabulary of multiplication
- multiply 2-digit multiples of 10 by 6, 7, 8 or 9
- multiply by 0.5
- find products

#### Know multiplication facts and factors

- know tables
- respond rapidly to written questions
- find pairs of factors of 24
- revise multiplying by 100
- multiply a multiple of 10 by a multiple of 100
- factors of 100

#### Further multiplication strategies

- multiply 2-digits by 9
- multiply 2-digits by 11
- multiply 2-digits by 12
- multiply 2-digits by 21
- multiply 2-digits by 19
- multiply a 2-digit number by a 1-digit number

#### Use knowledge of multiplication

- multiplying by 4 by doubling twice
- multiply by 5 by multiplying by 10 and halving
- multiply by 50 by multiplying by 100 and halving
- 16x table by doubling 8x table
- find 1/6 by finding 1/3 and halving
- recognise multiples of 6

#### Refine efficient written methods for multiplication

- written multiplication HTU x U
- written multiplication TU x TU
- develop written methods for decimals
- written multiplication: decimals

#### Revise understanding of division

- understand the vocabulary of division
- give a remainder as a fraction
- division as a fraction
- relate division and fractions
- divide a 4-digit multiple of 100 by 100
- divide a 2-digit number by 10

#### Division and remainders

- give a remainder as a whole number
- give a quotient as a decimal fraction
- rounding up or down
- rounding to the nearest whole one

#### Find fractions and percentages

- finding unit fractions
- finding fifths finding tenths
- finding fractions
- pairs of fractions which make 1
- finding percentages
- finding 25%

#### Refine efficient written methods for division

- written methods of division (1)
- written methods of division (2)
- written methods of division (3)

#### Checking answers

- relate subtraction and addition (1)
- relate subtraction and addition (2)
- relate addition and subtraction
- estimating addition
- estimating multiplication
- odd and even numbers

#### Use a calculator

- complete addition questions
- complete subtraction questions
- multiply decimals
- solve written problems
- consecutive numbers
- negative numbers
- converting metres to centimetres
- 2-step calculations

#### Tables challenge

- all tables

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