MATH 1350 – Test Review, 2026 – Comprehensive Study Guide
Closure Property of Addition of Whole Numbers - ANS✔✔ If a and b are whole numbers, then
a+b is a unique whole number.
Commutative Property of Addition of Whole Numbers - ANS✔✔ If a and b are whole numbers,
then a+b= b+a
Associative Property of Addition of Whole Numbers - ANS✔✔ If a, b, and c are whole numbers,
then (a+b)+c= a+(b+c).
Identity Property of Addition of Whole Numbers - ANS✔✔ There is a unique whole number 0,
the additive identity, such that for any whole number a, a+0=a=0+a
Closure Property of Multiplication of Whole Numbers - ANS✔✔ If a and b are whole numbers,
then aXb is a unique whole number.
Identity Property of Multiplication of Whole Numbers - ANS✔✔ There is a unique whole
number 1, such that for any whole number a, aX1=a=1Xa
Zero Property of Multiplication of Whole Numbers - ANS✔✔ For every whole number a,
aX0=0=0Xa
The units digit is divisible by 2 - ANS✔✔ A number is divisible by 2 if, and only if
The sum of the digits is divisible by 3 - ANS✔✔ A number is divisible by 3 if, and only if
Closure Property of Addition of Whole Numbers - ANS✔✔ If a and b are whole numbers, then
a+b is a unique whole number.
Commutative Property of Addition of Whole Numbers - ANS✔✔ If a and b are whole numbers,
then a+b= b+a
Associative Property of Addition of Whole Numbers - ANS✔✔ If a, b, and c are whole numbers,
then (a+b)+c= a+(b+c).
Identity Property of Addition of Whole Numbers - ANS✔✔ There is a unique whole number 0,
the additive identity, such that for any whole number a, a+0=a=0+a
Closure Property of Multiplication of Whole Numbers - ANS✔✔ If a and b are whole numbers,
then aXb is a unique whole number.
Identity Property of Multiplication of Whole Numbers - ANS✔✔ There is a unique whole
number 1, such that for any whole number a, aX1=a=1Xa
Zero Property of Multiplication of Whole Numbers - ANS✔✔ For every whole number a,
aX0=0=0Xa
The units digit is divisible by 2 - ANS✔✔ A number is divisible by 2 if, and only if
The sum of the digits is divisible by 3 - ANS✔✔ A number is divisible by 3 if, and only if