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

Properties of Division Dividend  Divisor = quotient

Dividing Whole Numbers Division and zero

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.