
	1.	Estimate. Round to the nearest whole number.
		A.	3	B.	5
		C.	3.49	D.	4
		Hint

	2.	Round to the indicated place value. 7,239; tens
		A.	7,240	B.	7,200
		C.	7,000	D.	7,230
		Hint

	3.	Round to the indicated place value. 19,782; ten thousands
		A.	20,700	B.	19,700
		C.	19,780	D.	20,000
		Hint

	4.	Round 42.82 to the nearest whole number. Use number lines and models.
		A.	43	B.	42
		C.	40	D.	42.8
		Hint

	5.	Round 74.39 to the nearest whole number.
		A.	75	B.	70
		C.	74	D.	74.4
		Hint

	6.	Add. Use models if needed.
		A.	1.93	B.	1.15
		C.	2.03	D.	2.13
		Hint

	7.	Add. Use models if needed.
		A.	1.85	B.	2.95
		C.	2.85	D.	3.05
		Hint

	8.	Add. Use models if needed. 4.52 + 1.9
		A.	6.42	B.	5.42
		C.	4.71	D.	7.42
		Hint

	9.	Subtract. Use models if needed.
		A.	$1.19	B.	$2.27
		C.	$2.37	D.	$1.21
		Hint

	10.	Subtract. Use models if needed. 12.89 − 11.98
		A.	0.91	B.	1.11
		C.	24.87	D.	1.91
		Hint