1.	Estimate the sum to the nearest ten. 372 + 243
		A.	640	B.	620
		C.	630	D.	610
		Hint
	2.	Estimate the sum to the nearest ten. 773 + 184
		A.	950	B.	930
		C.	960	D.	940
		Hint
	3.	Estimate the sum to the nearest hundred. 486 + 438
		A.	700	B.	900
		C.	800	D.	600
		Hint
	4.	Estimate the sum to the nearest hundred. 743 + 184
		A.	600	B.	900
		C.	700	D.	800
		Hint
	5.	Which is a better estimate for 626 + 187?
		A.	626 + 187 is 803 which is closer to 800 than 820 so the nearest hundred is better.	B.	626 + 187 is 813 which is closer to 800 than 820 so the nearest hundred is better.
		C.	626 + 187 is 813 which is closer to 820 than 800 so the nearest ten is better.	D.	626 + 187 is 803 which is closer to 820 than 800 so the nearest ten is better.
		Hint