you are taking the following test:

Grade: 7,    Subject: Math,    Topic: Properties of operations
 Question 1: Which property is used in the following expression? 3(7 + 4) = 21 + 12 Commutative property of addition Associative property of multiplication Distributive property Associative property of addition
 Question 2: Which property is used in the following expression? (4 * 3) * 5 = 3 * (5 * 4) Associative property of multiplication Distributive property of multiplication Commutative property of addition Multiplicative identity property
 Question 3: Simplify: 5(y + z)  =  ? 5yz 5y + 5z 5y + z 5z + y
 Question 4: The value of any nonzero number will be changed by ________________. multiplying by one adding zero multiplying by zero dividing by one
 Question 5: Which property of multiplication is shown? (7 + 9) × 4 = 7 × 4 + 9 × 4 Associative property Identity property Commutative property Distributive property
 Question 6: Which operation will not change the value of any nonzero number? multiplying by zero adding one multiplying by one dividing by zero
 Question 7: Which equation shows the zero property of multiplication? 5 × 6 = 6 × 5 5 × 1 = 5 5 + 5 + 5 = 3 × 5 6 × 0 = 0
 Question 8: Solve: 6(y + 3 + 4) 6y + 42 42 3y + 4y + 6y 6y + 4
 Question 9: Which equation shows the identity property of multiplication? (a + b) + 3 = a + (3 + b) a(b + c) = ab + ac a + a + a = 3 × a a × 1 = a
 Question 10: Which equation shows the commutative property of multiplication? 6 × 3 − 5 × 3 = (6 − 5)× 7 4 × 3 = 3 × 4 4 × 3 = 4 + 4 + 4 4 × 1 = 4
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