1.	The cafeteria had 200 cartons of milk. During the first and second lunch they sold 174 cartons. Which number sentence shows how many cartons they had left?
		A.	200 – 174 = 36	B.	200 + 174 = 374
		C.	200 – 274 = 27	D.	200 – 174 = 26
		Hint
	2.	Lucilla paid $8 for a notebook, $3 for a pen, and $36 for a bookpack. Which number sentence shows how much she spent altogether?
		A.	$8 + $3 + $36 = $47	B.	$36 – $8 – $3 = $31
		C.	$8 + $3 + $36 = $46	D.	$36 – $8 – $3 = $25
		Hint
	3.	Which number sentence is shown?
		A.	___ − 15 = 9	B.	9 + 15 = ___
		C.	___ + 9 = 15	D.	9 − 15 = ___
		Hint
	4.	Which number sentence is shown by the model?
		A.	___ − 11 = 16	B.	16 + 11 = ___
		C.	___ − 16 = 11	D.	16 − 11 = ___
		Hint
	5.	How can you model 18 − 6 with a picture?
		A.	Draw 6 objects. Then draw 18 more.	B.	Draw 18 objects and cross out 12.
		C.	Draw 18 objects. Then draw 6 more.	D.	Draw 18 objects and cross out 6.
		Hint