Matching Pairs Real Numbers Matching GameOnline version Test your knowledge of key properties of real numbers with this fun matching pairs game! by Mark Masloski 1 Irrational Numbers 2 Rational Numbers 3 Integers 4 Distributive Property 5 Closure Property 6 Natural Numbers 7 Real Numbers 8 Whole Numbers Numbers that cannot be expressed as a fraction or a decimal. Numbers that can be expressed as a fraction or a decimal. Non-negative integers, including zero. The product of a number and a sum is equal to the sum of the products of the number and each term in the sum. The sum or product of any two real numbers is also a real number. Positive and negative whole numbers, including zero. Positive integers, excluding zero. All numbers that can be found on the number line.