4th Grade Measurement Units and Conversions Test Solutions and Scoring (PDF)

1. \(6 \times 1{,}000 = 6{,}000\text{ m}\)
2. \(4 \times 1{,}000 = 4{,}000\text{ g}\)

Scoring: 1 point for each correct conversion with its unit.

1. \(9 \times 100 = 900\text{ cm}\)
2. \(3 \times 1{,}000 = 3{,}000\text{ mL}\)

Scoring: 1 point for each correct conversion with its unit.

1. \(5 \times 16 = 80\text{ oz}\)
2. \(8 \times 60 = 480\text{ sec}\)

Scoring: 1 point for each correct conversion with its unit.

1. \(5 \times 60 = 300\text{ min}\)
2. \(2 \times 100 + 8 = 208\text{ cm}\)

Scoring: 1 point for each correct answer with its unit.

1. \(4\text{ kg} = 4{,}000\text{ g}\), and \(4{,}000 < 4{,}050\). Answer: <
2. \(3\text{ min} = 180\text{ sec}\), and \(180 > 170\). Answer: >
3. \(6\text{ lb} = 96\text{ oz}\), and \(96 > 90\). Answer: >

Scoring: 1 point for each correct symbol. Award the point only if the measurements were compared in the same unit.

1. \(1\text{ km } 400\text{ m} = 1{,}000 + 400 = 1{,}400\text{ m}\). Total: \(1{,}400 + 2{,}750 = 4{,}150\text{ m}\).
2. \(4{,}150 = 4 \times 1{,}000 + 150\), so 4 km 150 m.

Scoring: part a, 1 point for changing to meters and 1 point for the correct sum. Part b, 1 point.

1. \(8 \times 250 = 2{,}000\text{ mL}\)
2. \(3\text{ L} = 3{,}000\text{ mL}\), and \(3{,}000 – 2{,}000 = 1{,}000\text{ mL}\), which is 1 L.

Scoring: part a, 1 point. Part b, 1 point for changing 3 L to milliliters and 1 point for the correct answer.

1. \(60 + 35 = 95\text{ min}\)
2. 4:40 + 1 hr = 5:40. Then 5:40 + 20 min = 6:00, and 15 more minutes is 6:15. The session ends at 6:15 PM.

Scoring: part a, 1 point. Part b, 1 point for adding the hour and 1 point for the correct end time.