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2
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04
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(
6
1
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2 .10
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0.250.5
0.75166 .18
7
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8 .22
9 .24
10 1 000100 .26
11
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30
0.10.010.0013212
13 .35
14 .38
15
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16
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17 .44
18
.46
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.48
20 .51
21
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22
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57
23
.59 24 .61
25
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4
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7/25/2019 Math2
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26 .65
27
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28
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29
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101001 00031 .80
32
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33 .85
87
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38
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114
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1.
:................
..............
...............
.........
2.
:
73...............................808..............................
999..............................
1 000............................
3
:
.......................
...........
.........
........
525
535
540
...................................................859847853
4
:
544
128
704
644
303
450
184
.......................
...........
.........
........
.......
........
5
-
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50 21 ) 15 =(
( 50 12 ) + ( 7 5 ) =( 50 21 ) + ( 15 2 ) + 5 =
50 + 21 + 15 =
7
12
100 DA
740 DA
840 DA
1 200 DA
140 DA
8
:
:
:.450
.300
.150
7
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7/25/2019 Math2
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1
4
10 DA
6
50 DA
100 DA7
10
1 000 DA
100
1 000 DA2
,
.
999999999
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7/25/2019 Math2
10/116
:
10
999999999
1
0000000001 0000000001
00000000001
000000000001
123456789101112
:
10
.3
:
1
4
2
330
,
3
:
.
4
3 200 km
12
9
-
7/25/2019 Math2
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:
:
:15,153,1 873
:
:20 DA50 DA100 DA200 DA500 DA1 000 DA
3086739
:
. . . . . . . . .
. . .+ . . . + . . . +
. . .. . .. . .
. . . . ..
:
............
10
02
-
7/25/2019 Math2
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1
:1982 3532 1673 7081 908
2
:
3
DA2501.
950 DA
300 DA
11
-
7/25/2019 Math2
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:
.
:
:
=19+15
=23+47
17 12 =
:
.
:
1 DA10 DA50 DA100 DA500 DA100 DA
4 5744...2423
...742313
2 695...9......4...
:
:
1 342 = 1 1 000 + 3 100 + 4 10 +
2......+............+.............+..............2 589 =
+...........+.............+.....................3 765 =
12
03
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7/25/2019 Math2
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1
20
DA102
20
DA50
3
:
.
.
.
4
:
=5+80+400
=6+108+1004
=7+106+1003+1 0002
13
-
7/25/2019 Math2
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:
:
:
=10+10=1010
=100+100,=100100
:
999=9+109+1009
=.......7+105+1002+1 0001 =........5+102+1003+1 0004
=........3 000+500+80+3
.....=...1 000+300+30+5
=.........1 000+100+10+1
14
04
-
7/25/2019 Math2
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1
:
4 7833874
3 005............
9 701............
2
:5+104+1003+1 00011 345 =
.......+..........+..............+............4 921 =
.......+..........+..............+.............9 865 =
3
:
............
........
......................
..........
15
83.........
46 ....5
-
7/25/2019 Math2
17/116
:
0.25
0.5
0.75
:
:
.....45 + 15 =
.....58 17 =
......6 =21
......7 =42
:
:
18.252518
65.5...... 17.75......
11.25......
:
:
67.25
10.75
36.5
16
05
0.25
0.50.75
-
7/25/2019 Math2
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1-
:
-2
14.75,14.25,14.5.
3-
:
.....................
3.532.5.....................11.7510.759.75
.......................
6.75
6.56.25
)(-4 :
11.25
10.75 ,9.5
9.75
25.25.........25.75 ,36.5...........36.25
17.75.........17.25 ,31.5.. ..........30.75
17
-
7/25/2019 Math2
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:
:
:
dm......cm =.....=1m
cm......9 dm =
cm......12 dm =
A,B,C,D
)
( km70
km25
Akm30BCD
A
C
.........km
B
D
...........km
A
D
...........km
1
:
:BA
]AB[
.....cm
CD][
.....cmDC
]FF[
.....cm
FE
2
:)(
][AB
]CD[
]EF[
18
06
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7/25/2019 Math2
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1
m35m32
.
25m
40cm
18m
6dm.
2
km70
25km
18km.
19
-
7/25/2019 Math2
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:
)
(
:
:
10 =100
10 =1 000
100 =1 000
1 000 =1 000
:
5kg
600g7kg
300g4kg
250g
1
:
2
:
3
4
:
20
7
-
7/25/2019 Math2
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1
:
1kg=.....500g + 350g +
g = 1kg.........200g +
g = 1kg........1 200g -
g = 1kg.......1 500g -
2
:
938kg540kg
20kg
500g
2 350kg
1 780g
3g12 000
:
15500g
10250g
08125g
1
.
2
.
21
-
7/25/2019 Math2
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:
.
:
.5
:
1514131211109876543210
5
4.9
5.1
:
4.9 < 5< 5.1
6
.
.
...
-
7/25/2019 Math2
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1
:
-
7/25/2019 Math2
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:
:
15
:
7.5
8.7
87< 7.5
-
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1
:
43
-
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:
100,1 000
:
10,10
0
100
:
100,100
1 200
1 000,1 000
10 000
1
:
0100......400..................
01 000...3 000..................
100
1 000
100
.100
1 000
.1 000
:
6 = ..100,5 = 5 0001 000
8 = ..100,8 = .....1 000
700=......7,6 = 6 000..
..= 400100,. = 9 0001 000
26
1 00010010
-
7/25/2019 Math2
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1
200,200
200
1 800
100.............
1
000............
2 :
15 = 100
8 = .200
10 = 1 000
3
200
023456789
...........................
4
,
kg100
5
:
500kg
4500da
100kg.
800kg
640da
100kg.
5 700DA.
14 500DA.
.
27
200
-
7/25/2019 Math2
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:
:
A
:
ACEBD2 EB
.
DC
28
11
-
7/25/2019 Math2
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1
:2
6
:
3
4
8
3cm
29
-
7/25/2019 Math2
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1
:
3 150
...3 2003 225
............
2
1
5
8
6
3
:
3
:
1 356 3 000 1 983 2 338 2 308
3
:
( km )
240km
170km
700km
48km
: 4
30
01
-
7/25/2019 Math2
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5:
2 381 741
164 000
1 759 000
445 000
1 032 400
266 000
31
-
7/25/2019 Math2
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:
0.10.01
0.001
:
:
10 =20=1030
10 =60
:
1
.
:
1
0.110
2
.
3
.
32
:12
109876543210
0.10.010.001
-
7/25/2019 Math2
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:
100
.
1
0.01
100
:........................
:........................
:
1km
1m
:
1kg
1g
:
1m = . dm
12dm = m
3dm = .m
1m = ..cm
1cm = m
123cm = .m
:
1km = 1 000m
1m = 0.001 km3 400m = 3.400km
33
-
7/25/2019 Math2
35/116
:
1
420.5 < 421 < ..
.< 375 < 375.2 2
.< 511 <
2
:
kg
520
519.400
520.200
518
.
.
34
-
7/25/2019 Math2
36/116
:
)
,
,
(
.
:
.
.....
35
13
-
7/25/2019 Math2
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-
7/25/2019 Math2
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:
1 2
3
1
2
3
37
-
7/25/2019 Math2
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:
1
:
95+50,87+23,70+65
2
450 cm = . m 630 cm = .. m 1 080 cm = m
3
:
=.....:630+4504504.50
+6.30 + 630 4.50 + 6.30 =.....:
:. . . . . .
............................................
:
1
:23.7 + 6.8 =
95.6 + 37.5 =
42.9 + 13.2 =
102.20 + 80.15 =
2
:
17.5 + . = 18.6
27.6 + ..= 31.9
38
14
-
7/25/2019 Math2
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1
:13.25 + 8.45 =
16.27 + 18.6 =
17.75 + 12.75 =
15.81 + 0.13 =
2
.501
.23.25
3
3
18.50kg
15.500kg
22kg
39
-
7/25/2019 Math2
41/116
:
.
:
:
=111715 =2813 =78
:
370cm = .. m
125cm = ..m245cm = ..m
:
125 = .3703703.70
.=.251.7031251.25-
. . . . . .
:
................................................................
:
1
:
25.85 13.61 =
78.18 55.13 =
121.21 21.15 =
2
:
75.1987.46365.32
. ... .. ... .. ... .
23.1551.23111.11
40
15
-
7/25/2019 Math2
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-
7/25/2019 Math2
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:
.
:
:
3.5 + 2.5 =
11.8 + 2.2 =
14.7 3.5 =
:
1
m16
m.554
3.40m.
2
:
1.5
3
:3.5m + 7.5 m =
13.5kg + 8.75kg =
28.35 14.15 =19.37 11.28 =
42
23456
1.5...............
16
-
7/25/2019 Math2
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1
:
15m + 3.75m + 5m = ..m
25 + 14.75 + 2.15 = ..18g + 14.85g + 12g = ..g
2
:
25.75 18 = ..150.50DA 50.25DA = DA36.5kg 19kg = ..kg
:
3
kg.2502
kg.5003
4
kg.50022
kg.2502.
5
DA2755,
DA7201.
6
DA70015,
DA5001.
43
-
7/25/2019 Math2
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:
.
:
431
2
1
2
:
1410
2.........
3.........
4.........3
44
17
-
7/25/2019 Math2
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1
:
2
3
.
4
:
....
....
....
45
-
7/25/2019 Math2
47/116
:
.
:
=:24+10+16
=10+100+1000
.
.
:
43 + 3 + 3 + 3 = 3
:34 + 4 + 4 = 4
:
...........................
:
831
.
.
2
9
15
.
46
18
-
7/25/2019 Math2
48/116
1
:76+6+6+6+++=6
53+3+3++= 3
9+9+9+9=
8+8+8+8+8=
0+0+0=
2
:
2 . 3 = 515 . 2 = 30
2 . 3 = 69 . 3 = 27
25 . 25 = 508 . 5 = 13
12 . 12 = 2417 . 2 = 19
3
kg2 000.
4
6
250DA
.
47
+
-
7/25/2019 Math2
49/116
:
.
:
15 + 14 =
48 17 =
3 =12
15 =15
1+
1
217+2 154
:2 154
217+
:2 154 + 217 = 2 3712 371
= :372+ 86
2
:
645 283
:14
:645 283 = 362645
3867652833-
362
48
19
-
7/25/2019 Math2
50/116
3
:4231
:
4 = 924231
:231
86084
8124
1+
249
4
92 781
:
9 = 3092 78192 781
:30927-
:51 530800
0-
18-
00
49
-
7/25/2019 Math2
51/116
1
:85
87
)(
2
45
9 kg
3
6 426 DA
6
.
4
:
205
:
6 000 DA
8 000 DA
51 000 DA
50
-
7/25/2019 Math2
52/116
:
.
:
:
1= d1= c1= m
1
)
(
:
102
:
100
1 000
3
:
10d= 2= d15c= 5= d20m= 10= c17m= 15= m
51
20
1
1d
1 c
1
m
-
7/25/2019 Math2
53/116
1
:3= d= c= m10d+ 5c=
5d= c= m15d+ 160c= 160m= c200c+ 1500m=
2
>
