MathSphere Ltd
P.O. Box 1234
Worthing
BN14 7YX
tel: 01903 500606
fax: 01903 505645

Description

A challenge for the oldest and brightest children in Primary School. Over 100 separate activities covering decimal fractions, written methods of division, tables, developing calculator skills, prime numbers, factors and multiplesand much, much more, all in a fun, sharply focussed format.

Ease of use

Easy to install and run on individual computers or a network. Simple and quick location of any game through a straightforward menu structure.

Short term record keeping

Many activities have answer pages which are computer marked. These have straightforward, one-click printout facilities of the children’s work to enable easy short term record keeping.

Bright and lively

Vivid, full screen graphics and help files are ideal for class demonstrations on an interactive whiteboard.

Value for money

Remember: just £40.00 + VAT gives you a full school site licence. You can install this CD on as many computers as you like, including networks and just keep the CD as a back-up.
All our CDs can be purchased using eLCs.

Screen shots from Calculations Year 6

As well as timed challenges and games, activities for the year 6 CD include:

Revise addition facts and strategies

• revise 2-digit addition
• understand the vocabulary of addition
• which two numbers have a total of…?
• add 3 multiples of 10
• add multiples of 1000

Know and apply addition facts

• revise 2-digit pairs that total 100
• revise decimals that total 1
• pairs of multiples of 50 that total 1000
• double multiples of 10 up to 1000
• double multiples of 100 up to 10000

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 4-digit multiples of 100
• subtract 999

Know and apply subtraction facts

• revise: find a difference by counting up
• find a difference either side of a multiple of 1000
• find a difference
• subtract the nearest multiple of 10 and adjust
• subtract decimals

Further addition and subtraction

• add 3 multiples of 1000
• subtract multiples of 100
• add 4-digit multiples of 100
• pairs that make multiples of 1000
• subtract 4-digit multiples of 100

Revise addition and subtraction of decimals

• decimals that total 0.1
• add decimals: tenths and hundredths
• subtract decimals: tenths and hundredths
• add a pair of decimal fractions
• subtract a pair of decimal fractions

Efficient written methods for addition

• efficient written methods: HTU
• efficient written methods: ThHTU
• efficient written methods: decimals

Efficient written methods for subtraction

• efficient written methods: TU
• efficient written methods: HTU
• efficient written methods: decimals
• efficient written methods: crossing to hundreds

Revise understanding of multiplication

• revise using brackets
• revise using the vocabulary of multiplication
• multiply two  2-digit multiples of 10
• multiply by tenths
• find products
• use brackets

Know multiplication facts

• know tables
• respond rapidly to written questions
• know by heart square numbers
• find squares of multiples of 10
• multiply by 1000

Use knowledge of multiplication to derive further facts

• multiply 2-digits by 51
• multiply 2-digits by 49
• multiply 2-digits by 101
• multiply 2-digits by 99
• multiply a whole number and tenths by a single digit
• recognise multiples of 25

Further multiplication strategies

• multiply by 16
• multiply by 24
• multiply by 15
• multiply a decimal fraction by 10
• multiply a decimal fraction by 10
• double fractions
• recognise multiples of 12

Efficient written methods for multiplication

• written multiplication HTU x U
• written multiplication ThHTU x U
• written multiplication TU x TU
• written methods: decimals
• written methods: money

 

Revise understanding of division

• revise using the vocabulary of division
• dividing decimal fractions
• relate division and fractions
• divide by 1000
• remainders when dividing by 12

Factors and prime numbers

• recognise factors
• recognise prime numbers
• factors of 24
• factors of 48

Division and remainders

• revise: give a remainder as a whole number
• revise: give a remainder as a fraction
• revise: give a quotient as a decimal fraction
• round to the nearest whole number
• rounding up and rounding down
• rounding to the nearest whole one

Find fractions and percentages

• finding unit fractions
• finding sixths
• finding tenths
• finding fractions
• pairs of fractions which make 1
• finding percentages
• find 25%
• find 1%

Refine efficient written methods for division

• written methods of division (1)
• written methods of division (2)
• written methods of division (3)
• written methods of division (4)
• written methods of division (5)

Checking answers

• relate addition and subtraction
• estimate 2-digit multiplication
• tests of divisibility (1)
• tests of divisibility (2)
• numbers divisible by 9
• odd and even numbers

Use a calculator

• calculator decimal questions
• develop calculator skills
• consecutive numbers (1)
• consecutive numbers (2)
• find percentages
• 2-step calculations
• negative numbers

Use a calculator to convert units

• convert metres to centimetres
• convert metres to millimetres
• convert hours and minutes to minutes
• convert minutes to hours and minutes

 

Tables challenge

• All tables