1.	6 + 2 × 7 - 4 = _________
		A.	24	B.	52
		C.	12	D.	16
		Hint
	2.	Name the operation that should be performed first in the expression 9 + 5 × (6 - 1).
		A.	division	B.	addition
		C.	subtraction	D.	multiplication
		Hint
	3.	Find the value of 3(4 - 2) + 8 ×  2.
		A.	22	B.	28
		C.	36	D.	26
		Hint
	4.	Insert parentheses to make the equation 9 + 6 × 2 ÷ 3 - 1 = 12 true.
		A.	(9 + 6 × 2) ÷ 3 - 1 = 12
		B.	(9 + 6) × 2 ÷ 3 - 1 = 12
		C.	9 + 6 × 2 ÷ (3 - 1) = 12
		D.	9 + (6 × 2) ÷ 3 - 1 = 12
		Hint
	5.	Which operation should be performed first in the expression 4 + 8 ÷ 2 × 3 - 10?
		A.	multiplication	B.	division
		C.	addition	D.	subtraction
		Hint