Whole Numbers

Multiplying Whole Numbers

Multiplying Whole Numbers

Properties of Multiplication Commutative Property of

Multiplication Multiplication Properties of 0 and 1 Associative Property of Multiplication Multiplying by powers of 10

Multiplying Whole Numbers

Multiplying Whole Numbers by Numbers with More than One Digit Carrying/Adding

Multiplying Whole Numbers

Finding the Area of a Rectangle Recall

Area = (length)(width) or A = l * w or A = lw

Whole Numbers

Dividing Whole Numbers

Dividing Whole Numbers

Properties of Division Dividend Divisor = quotient

Dividing Whole Numbers

Division and zero

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Dividing Whole Numbers

Short Division Usually used to divide by a one-digit

divisor Long Division

Used when divisor has more than one digit

Dividing Whole Numbers Tests for divisibility

A number is divisible by: 2 if its last digit is divisible by 2 3 if the sum of its digits is divisible by 3 4 if the number formed by its last two digits is

divisible by 4 5 if its last digit is 0 or 5 6 if it is divisible by 2 and 3 9 if the sum of its digits is divisible by 9 10 if its last digit is 0

Dividing Whole Numbers Dividing Whole Numbers that End with

Zeros Shortcut: When both the dividend and the

divisor end with zeros drop the ending zeros in the divisor and drop the same number of zeros in the dividend.