REVIEW Grade Six Mathematics June 2009

What are the four basic operations? ADDITION SUBTRACTION MULTIPLICATION DIVISION

Terms or concepts related to addition SUM More than TOTAL Addends Increase PLUS

To find the missing addend N = N = – ADDEND = Sum – other addend

Terms or concepts related to subtraction DIFFERENCE SUBTRAHEND MINUEND LESS LESS THAN MINUS DECREASEDIMINISH

To find the missing MINUEND N = N = MINUEND = Difference+ subtrahend

To find the missing SUBTRAHEND N = N = – Subtrahend = Minuend - difference

Terms or concepts related to multiplication FACTORS PRODUCT MULTIPLES TIMES ( ) X TWICE, THRICEMultiplied by

To find the missing FACTOR x N = FACTOR =ProductOther factor N =

Terms or concepts related to division QUOTIENT DIVIDEND DIVISOR Divided by

To find the missing divisor DIVISOR =DividendQuotient N = N =

To find the missing DIVIDEND DIVIDEND = DIVISOR x QUOTIENT N = 23 x N 23 =

Rules for adding and subtracting whole numbers: Align the digits to the right, then add or subtract

Rules for adding and subtracting decimals: Align the decimal point before adding or subtracting the numbers

Multiplying whole numbers and/or decimals: x x

Dividing whole numbers and/or decimals Make the divisor a whole number. 9

Adding and Subtracting Fractions + Make the fractions similar. =+ - = -

Multiplying Fractions x Multiply the numerators. = Multiply the denominators.

Dividing Fractions Determine the reciprocal of the divisor. x= Multiply the dividend by its reciprocal.

Dividing Fractions x = 1 3 =