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    • Do Scoláirí ›› Ceachtanna ar áireamháin

    Is uirlis shárluachmhar é an t-áireamhán in obair mhatamaitice. Mar scoláire, ní mór duit éirí cumasach in úsáid d’áireamháin. Is cuid thábhachtach den phróiseas seo é a fhoghlaim conas a dhéanann d’áireamhán ríomhanna áirithe. Cé gur uirlis thábhachtach mhatamaitice é an t-áireamhán, caithfidh tú i gcónaí a thuiscint conas ríomhanna a dhéanamh gan áireamhán agus a thuiscint an bhfuil torthaí ríomha réasúnta nó nach bhfuil. Gheobhaidh tú sleamhnáin teagaisc PowerPoint agus gníomhaíochtaí anseo le cabhrú leat an leas is fearr a bhaint as d’áireamhán.

    Gearrscannáin nua ar an áireamhán!

    Lowest Common Multiple (LCM)


    Learn to use your calculator to calculate LCM

     

    Prime Factors & HCF


    Learn to find prime factors and find HCF

     

    Calculating Means


    Learn to find the mean of a dataset

     

    Random Integers


    Learn to generate random integers

     

    Table Function for Graphing


    Use your calculator to find couples for plotting a graph

     

    Combinations


    Learn to calculate the number of combinations

     

    Standard Deviation


    Learn to use your calculate standard deviation

     

    Correlation Coefficient


    Learn to calculate correlation coefficient

     

    Logarithms


    Learn to use your calculator to calculate logs

     

    Verify Mode


    Learn to verify solutions on your calculator & see where it’s useful in the classroo…

    Casio Calculator


    Learn to use your calculator

    Learn to use your calculator for essential Junior Cert. & Leaving Cert. calculations


    Know how your calculator works

    Here’s a presentation showing the importance of understanding how your calculator works.


    Know how your calculator works

    Here are some word problems gone wrong because of incorrect calculator use


    Order of operations

    Here are some numeric problems which help you understand the order in which your calculator operates


    HCF and LCM

    See how highest common factor and lowest common multiple are used to solve a real-life problem


    Problem solving with HCF and LCM

    See how HCF and LCM are used to solve problems


    Calculating mean of a frequency table

    Learn to use your calculator to find the mean from a frequency table


    Calculating standard deviation

    Learn to use your calculator to find the standard deviation of a dataset


    Calculating statistics from data

    Use your calculator to find the mean, min and max of a dataset


    Frequency table calculations

    Use your calculator to find the mean, min and max of a frequency table


    Grouped frequency table calculations

    Use your calculator to calculate statistics from a grouped frequency table


    Calculating correlation coefficient

    Use your calculator to find the correlation coefficient of a set of bivariate data


    Generating random numbers using Ran

    Learn to use your calculator to generate random numbers


    Generating random numbers using Ran#

    Learn to use your calculator to generate random numbers


    Generating random numbers using RanInt

    Learn to use your calculator to generate random numbers


    Permutations

    Learn how to calculate the number of permutations using your calculator.


    Practical applications of combinations

    Learn how to use your calculator to solve problems based on combinations


    Combinations involving two groups

    Use your calculator to solve combination problems involving two groups.


    Logarithms

    Learn to use your calculator to solve problems involving exponents and logarithms.


    Prime Factors

    Use your calculator to write a number as a product of prime numbers


    Finding prime factors of 5880

    Use your calculator to write 5880 as a product of prime numbers


    Investigating functions

    Use Table mode on your calculator to find the coordinates of a function


    Verifying a result

    Use Verify mode on your calculator to check a solution


    Casio manual

    Overview of how to change settings on your Casio calculator


    Casio calculator bundle

    All of the Casio calculator resources in one download

    Sharp calculator


    Know how your calculator works

    Here’s a presentation showing the importance of understanding how your calculator works.


    Know how your calculator works

    Here are some word problems gone wrong because of incorrect calculator use


    Order of operations

    Here are some numeric problems which help you understand the order in which your calculator operates


    HCF and LCM

    See how highest common factor and lowest common multiple are used to solve a real-life problem


    Problem solving with HCF and LCM

    See how HCF and LCM are used to solve problems


    Calculating mean and standard deviation

    Learn to use your calculator to find the mean and standard deviation of a dataset


    Calculating correlation coefficient

    Learn to use your calculator to find the correlation coefficient of a set of bivariate data


    Generating random numbers

    Learn to use your calculator to generate random numbers


    Permutations

    Learn how to calculate the number of permutations using your calculator.


    Practical applications of combinations

    Learn how to use your calculator to solve problems based on combinations


    Combinations involving two groups

    Use your calculator to solve combination problems involving two groups.


    Logarithms

    Learn to use your calculator to solve problems involving exponents and logarithms.


    Sharp manual

    Overview of how to change settings on your Sharp calculator


    Sharp calculator bundle

    All of the Sharp calculator resources in one download

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