#[[:File:adding three numbers.odt]][[:File:addition.odt]][[:File:addition of 3 digit numbers with carrying.odt]][[:File:addition of three digit numbers.odt]][[:File:Arrenge the two numbers under hundreds, tens and ones..odt]][[:File:checking the answer for addition and subtraction.odt]][[:File:fun with numbers.odt]][[:File:placing the digits in correct place and adding.odt]][[:File:solve the number bonds .odt]][[:File:subtraction of tens.odt]][[:File:subtraction with borrowing.odt]]