1.	Estimate the sum to the nearest ten. 626 + 187
		A.	810	B.	830
		C.	800	D.	820
		Hint
	2.	Estimate the sum to the nearest ten. 372 + 243
		A.	620	B.	610
		C.	630	D.	640
		Hint
	3.	Estimate the sum to the nearest hundred. 486 + 438
		A.	900	B.	800
		C.	600	D.	700
		Hint
	4.	Estimate the sum to the nearest hundred. 743 + 184
		A.	900	B.	800
		C.	600	D.	700
		Hint
	5.	Which is a better estimate for 626 + 187?
		A.	626 + 187 is 813 which is closer to 800 than 820 so the nearest hundred is better.	B.	626 + 187 is 813 which is closer to 820 than 800 so the nearest ten is better.
		C.	626 + 187 is 803 which is closer to 820 than 800 so the nearest ten is better.	D.	626 + 187 is 803 which is closer to 800 than 820 so the nearest hundred is better.
		Hint