3 + 7 + 13 A 4 Each of three three 6th grade classrooms have 15 B 7 + 13 student chairs, 3 computer chairs, and 1 teacher chair. Which expression is the correct C 3(7 + 13) representation of the total number of chairs? A 3 + 15 + 3 + 1 D 3 7 13 • • 2 Which expression is equivalent to 3 + 7 + 9 + 3 + B 3 15 3 1 • • • 7 + 9? C 15 + 3 + 1 F 2(3 + 7 + 9) G 3(7 + 9) D 3(15 + 3 + 1) H 3 7 9 J 2 + 3 + 7 + 9 • • 6.7C Justify your answers. – 1. 3. 2. 4. TEKS 6.7(D) - Generate equivalent expressions using the properties of operations: inverse, identity, commutative, associative, and distributive properties. Aaron earned $75 his first week mowing lawns. Mrs. Leary wrote the statement (18 + 1 = 18 1 3 a) • He did not earn any money the second week. The + on the chalk board .She asked students which a total he earned for the two weeks was $75. Which property was used in the statement. The table property does this represent? shows the property four students answered. Which student is A Distributive Property B Associative Property correct? C Inverse Property D Identity Property 2 Amber is taping 7 square pieces of paper together to make a long piece of paper. Each piece of paper is 8.5 inches wide. Which shows equivalent expressions using the Distributive Property?
A 3 + 7 + 13 B 7 + 13 C 3(7 + 13) D 3 • 7 • 13 2 Which expression is equivalent to 3 + 7 + 9 + 3 + 7 + 9? F 2(3 + 7 + 9) G 3(7 + 9) H 3 • 7 • 9 J 2 + 3 + 7 + 9 4 Each of three three 6th grade classrooms have 15 student chairs, 3 computer chairs, and 1 teacher chair. Which expression is the correct representation of the total number of chairs? A 3 + 15 + 3 + 1 B 3 • 15 • 3 • 1 C 15 + 3 + 1 D 3(15 + 3 + 1) 6.7C – Justify your answers. 1. 3. 2. 4. TEKS 6.7(D) - Generate equivalent expressions using the properties of operations: inverse, identity, commutative, associative, and distributive properties. 1 Aaron earned $75 his first week mowing lawns. He did not earn any money the second week. The total he earned for the two weeks was $75. Which property does this represent? A Distributive Property B Associative Property C Inverse Property D Identity Property 2 Amber is taping 7 square pieces of paper together to make a long piece of paper. Each piece of paper is 8.5 inches wide. Which shows equivalent expressions using the Distributive Property? 3 Mrs. Leary wrote the statement (18 + a) • 1 = 18 + a on the chalk board .She asked students which property was used in the statement. The table shows the property four students answered. Which student is correct?
staar_review_packet_2015_(9).docx