מערך שיעור 1 במכניקה – תנועה שוות מהירות
כיתות ט' – דף תרגילים מס' 1 בהמרת יחידות
1. השלימו את החסר:
|א. יחידות אורך: |ב. יחידות זמן: |
|1m = dm |1h = min |
|1dm = m |1min = s |
|1cm = mm |1h = s |
|1km = m |1year = h = |
| |s |
|1km = dm |ג. יחידות מסה: |
|1km = cm |1kg = g |
|1m = cm |1t = kg |
|1mm = cm |1kg = t |
|1cm = dm |1g = mg |
|1 inch = cm |1g = kg |
2. השלימו את השרשראות הבאות:
|50cm= | mm= | m= | km= | inch | |
|420min= | sec= | h= | days | | |
|3kg= | g= | mg= | ton | | |
|3.5m= | cm= | mm= | km | | |
|12.5h= | sec= | min= | days | | |
|60cm= | m= | km= | mm= | inch | |
|8h= | min= | sec= | days | | |
|7000g= | mg= | kg= | ton | | |
|1.2m= | cm= | mm= | km | | |
|1.25days= | h= | min= | sec | | |
|7m= | cm= | mm= | km | | |
|6h= | min= | sec= | days | | |
|3000g= | kg= | mg= | ton | | |
|4.7m= | cm= | mm= | km | | |
|14.5h= | min= | sec= | days | | |
|70cm= | m= | km= | mm | | |
|36h= | min= | sec= | days | | |
|7.5kg= | g= | mg= | ton | | |
|1.5m= | cm= | mm= | km | | |
|0.5days= | h= | min= | sec | | |
3. בטאו את שני הצדדים ביחידות זהות, והשוו (סמנו או =):
דוגמה: 10m > 500cm=5m
דוגמה: 150cm = 1500mm = 15dm = 150cm
1400mm 12dm
0.7km 200m
0.06km 800cm
0.25m 300mm
0.3m 24cm
22m 220dm
2.5m 25cm
2h 200min
60min 6000s
0.5h 1800s
1400kg 1.4t
3000g 5kg
0.5kg 200g
0.03t 3500g
0.5t 50000g
עבודה נעימה!
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