Match each term with its definition or illustration. Some may have more than one answer: (11) associative...

Match each term with its definition or illustration. Some may have more than one answer:
(11) associative property
(12) commutative property
(13) difference
(14) distributive property
(15) divisor
(16) identity property
(17) product
(18) quotient
(A) the answer in a multiplication problem
(B) a + 0 = a
(C) the number by which another is being divided
(D) 7 + 12 = 12 + 7
(E) the answer in a division problem
(F) 8 + 11 = (8 + 1) + 5
(G) the answer in a subtraction problem
(H) 6 • 27 = (6 • 20) + (6 • 7)
Find the GCF and the LCM for these pairs of numbers.
(19) 9, 27 GCF _____ LCM _____
(20) 15, 18 GCF _____ LCM _____
Add or subtract these fractions or mixed numbers. Reduce answers to lowest terms.
(21) 3/8 + 7/24 =
(22) 7/8 - 2/9 =
(23) 2 3/4 + 4 1/5 =
(24) 13/7 - 10/5 =
Find the product or quotient. Simplify.
(25) 3 • 7/8 ÷ 2/11 =
(26) 2 • 4/15 =
(27) 3 4/6 ÷ 4 2/5 =
(28) 5/9 ÷ 8/21 =
(29) 6 2/3 ÷ 3 4/7 =