1.	Determine which equation is true by replacing the variable with 4.
		A.	5 + x = 4	B.	5 + x = 9
		C.	5 + x = 5	D.	5 + x = 10
		Hint
	2.	Solve 16 = k + 10 using mental math.
		A.	6	B.	10
		C.	8	D.	9
		Hint
	3.	Identify the solution of 84 ÷ r = 12.
		A.	6	B.	72
		C.	7	D.	21
		Hint
	4.	For which equation is 11 the solution?
		A.	15 – h = 26	B.	29 – h = 18
		C.	h – 5 = 11	D.	11 = h + 7
		Hint
	5.	Solve 24 = 2m mentally.
		A.	4	B.	22
		C.	12	D.	48
		Hint