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 Integers 3 Distributive Property 4 Rational Numbers 5 Real Numbers 6 Closure Property 7 Whole Numbers 8 Natural Numbers Numbers that cannot be expressed as a fraction or a decimal. Non-negative integers, including zero. Positive and negative whole numbers, including zero. The sum or product of any two real numbers is also a real number. 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. Numbers that can be expressed as a fraction or a decimal. Positive integers, excluding zero. All numbers that can be found on the number line.