1.	Find 489 − 399.
		A.	190	B.	180
		C.	80	D.	90
		Hint
	2.	Which of the following differences will need regrouping when you subtract?
		A.	778 − 508	B.	778 − 578
		C.	772 − 578	D.	772 − 571
		Hint
	3.	Subtract.
		A.	4,254	B.	5,264
		C.	5,254	D.	5,256
		Hint
	4.	Subtract.
		A.	1,953	B.	1,943
		C.	1,957	D.	943
		Hint
	5.	Hiroko had $87.23 in her bank account. Then she spent $15.98 to buy her friend a necklace. How much money does she have left?
		A.	$72.35	B.	$70.25
		C.	$72.25	D.	$71.25
		Hint