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 Real Numbers 2 Rational Numbers 3 Whole Numbers 4 Irrational Numbers 5 Natural Numbers 6 Integers 7 Distributive Property 8 Closure Property 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. All numbers that can be found on the number line. Positive integers, excluding 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. Numbers that can be expressed as a fraction or a decimal.