1.	Determine which equation is true by replacing the variable with 4.
		A.	5 + x = 10	B.	5 + x = 5
		C.	5 + x = 4	D.	5 + x = 9
		Hint
	2.	Solve 16 = k + 10 using mental math.
		A.	10	B.	9
		C.	6	D.	8
		Hint
	3.	Identify the solution of 84 ÷ r = 12.
		A.	21	B.	7
		C.	72	D.	6
		Hint
	4.	Which of the numbers is the solution of x ÷ 2 – 4 = 10?
		A.	30	B.	28
		C.	26	D.	32
		Hint
	5.	Solve 24 = 2m mentally.
		A.	4	B.	12
		C.	48	D.	22
		Hint