1.Highlight the item with the correct equality:

a)3min.=300s. b)3min.=180s. c)3min.=30s. d)3min.=1800s.

2. Represent in minutes and seconds: 589s.= _____ min. ______ с.

3.Solve the problem:

A dragonfly takes 50 sweeps in 1 second. How many sweeps will the dragonfly make in 2 min?

4. Translate 480 s into minutes.

5. Compare pairs of numbers. Match the appropriate sign (<, >, =). Give a match for all 4 answer choices:

__ 12 min 15 s … 1215 s __ 5 min 15 s … 295 s __ 2 min 48 s … 168 s __ 1 hr … 3600 с

6. Find the value of the expression.

900 0 – 32 576= 427 816 + 298 795=

7. Perform the steps.

42 m 230 m – 17 km 580 m = 5 h 30 min – 50 min = 29 t 350 kg + 18 t 980 kg = 9 km – 890 m =

8. Express in other units.

5 min 32 s = … s 2 d. 5 mo. = … months. 5,000 years = … c. 2 days. 3 h = … h

180 n = … h 600 s = … min 72 h = … day. 4 в. = … years

9. Solve the problem:

The plant produced 7,163 liters of juice in December and 678 liters less juice in January. Of all the juice, 9,789 liters were poured into bags, and the rest of the juice was bottled. How many liters of juice were bottled?

**“Seconds. Measuring Time.”**

1.Highlight the item with the correct equality:

a)3min.=300s. b)3min.=180s. c)3min.=30s. d)3min.=1800s.

2. Represent in minutes and seconds: 589s.= _____ min. ______ с.

3.Solve the problem:

A dragonfly takes 50 sweeps in 1 second. How many sweeps will the dragonfly make in 2 min?

4. Translate 480 s into minutes.

5. Compare pairs of numbers. Match the appropriate sign (<, >, =). Give a match for all 4 answer choices:

__ 12 min 15 s … 1215 s __ 5 min 15 s … 295 s __ 2 min 48 s … 168 s __ 1 hr … 3600 s

6. Find the value of the expression.

9010 – 32 576= 427 816 + 298 795=

7. Perform the steps.

43 m 230 m – 17 km 580 m = 5 h 30 min – 50 min = 29 t 350 kg + 18 t 980 kg = 9 km – 890 m =

8. Express in other units.

5 min 32 s = … s 2 d. 5 mo. = … months. 5,000 years = … c. 2 days. 3 h = … h

180 min = … h 600 s = … min 72 h = … day. 4 в. = … years

9. Solve the problem:

The plant produced 7,163 liters of juice in December and 678 liters less juice in January. Of all the juice, 9,789 liters were poured into bags, and the rest of the juice was bottled. How many liters of juice were bottled?