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MATEMAATIKA
Kordamine tasemetööks
Merlin Roosi
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LIITMINE JA LAHUTAMINE
• Kirjaliku liitmise ja lahutamise puhul paigutan arvu järgud üksteise alla kohakuti!
7 2 9 8
+ 1 4 6 7
9 0 0 4
- 2 6 7 4
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KORRUTAMINE
7 · 9 = 63
K _ _ R _ T _ S
T _ G _ _; _ E _ U _ ;Leia arvude 8 ja 1000 korrutis.
0 · 3 =
6 · 0 =
7 · 14 =
23 · 3 =
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JAGAMINE
72 : 8 = 9
JAGATAV JAGAJA JAGATIS
40+8
48 : 2 = 20+4 = 24
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60 : 15 =
Leian proovimise teel
2 · 15 =
3 · 15 =
4 · 15 =
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96 : 4 =
= (80 + 16): 4=
= 20+4= 241. Leian neljaga jaguva lähima täiskümne.
2. Lahutan lähima täiskümne jagatavast.
3. Jagan mõlema järgu eraldi jagajaga ning tulemused liidan.
4. Saangi jagatise!!!
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TUNNIKONTROLL1. 48 : 16 =
2. 100 : 25 =
3. 75 : 3 =
4. 55 : 5 =
5. 56 : 14 =
6. 72 : 12 =
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TEHETE JÄRJEKORD• KUI AVALDISES ON SULUD,
SIIS ESIMESENA TEEME SULGUDES OLEVA TEHTE, SIIS KORRUTAME, JAGAME JA SEEJÄREL LIIDAME JA LAHUTAME.
2 1 360 : (40 – 20) + 8 =
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TÄHT ARVU TÄHISENA
7 · c = 28
c = 28 : 7
c = 4,
7 · 4 = 28
a · 15 = 45
a = 45 : 15
a = 3,
3 · 15 = 45
75 : b = 25
b = 75 : 25
b = 5,
75 : 5 = 25
d : 11 = 6
d = 6 · 11
d = 66,
66 : 11 = 6
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a + 84 = 167
a = 167 - 84
a = 83
83 + 84 = 167
27 + a = 96
a = 96 - 27
a = 69
27 + 69 = 96
88 - a = 42
a = 88 - 42
a = 46
88 - 46 = 42
a - 56 = 13
a = 56 + 13
a = 69
69 - 56 = 13
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TUNNIKONTROLL
1. b · 12 = 36
2. 8 · a = 64
3. c : 4 = 36
4. 99 : d = 11
5. a – 253 = 460
6. a + 4325 = 10 000
7. 3695 – a = 1937
8. 257 + a = 2300
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MASSIÜHIKUD
GRAMM
KILOGRAMMTSENTNERTONN
1 t = 1000 kg 1 ts = 100 kg 1 kg = 1000 g1 t = 10 ts
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TUNNIKONTROLL• Teisenda8 kg =……… g
4 t = ……….kg
7 ts = …….. kg
7000 g = ………kg
9000 kg = ………. t
500 kg = …….. ts
• Teisenda
3 t 200 kg = ……….. kg
5 ts 20 kg = ……….. kg
2536 kg = …….t ……kg
395 kg = …….ts…….kg
8kg 9 g = …………..g
• Arvuta
8 ts 60 kg+15 ts 20 kg =
9 kg 700 g+ 6 kg 300g =
4 t 600 kg+8 t 17 kg =
5 t 200 kg+3 t 900 kg =
9 t – 300 kg =
7 ts – 40 kg =
8 kg – 200 g =
5 kg 300 g+20 kg 80g =
6 ts 20 kg – 5 ts 10 kg =
20 kg 500g – 10 kg 100 g=
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PIKKUSÜHIKUD
·
mm
cm
dm
m
km
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Pikkusühikute teisendamine
1 km = 1000 m
1 m = 10 dm1 m = 100 cm1 m = 10 000 mm
1 dm = 10 cm1 dm = 100 mm
1 cm = 10 mm
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TUNNIKONTROLL• Teisenda5 cm = ….. mm
3 dm= ….cm
8 m = ….. dm
3 km = …. m
325 cm =….m…..cm
8m7dm=…..dm
1km7m=……m
52 dm=….m…dm
9m9cm=…….cm
7001 m=…….km …….m
• Arvuta7 m 40 cm – 3 m 25 cm =
9 m 60 cm+2 m 40 cm =
6 km – 400 m =
9 km 25 m+1 km975m =
3 m – 5 cm =
6 cm – 9 mm =
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AJAÜHIKUD
1 ööpäev = 24 h
1 h = 60 min
1 min = 60 s
13.50 10.2503.00
14.27
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TEISENDA. ARVUTA.
120 min = ….. h
2 h = ……s
3 h = ……min
½ ühest tunnist on ……… min.
¼ ühest ööpäevast on …….h.
1/6 ühest minutist on …….s.• Rong väljub kell 15.15 ja on teel 1 h ja 45 min. Millal
jõuab rong sihtjaama?• Etendus kestis 2 h ja 15 min ja lõppes 20.15. Mis kell
etendus algas?
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GEOMEETRILISED KUJUNDID
RUUT• 4 KÜLGE• 4 TIPPU
• Ü = 4 · a• S = a²
a
a
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RISTKÜLIK
Ü = 2 · (a + b)
S = a · b
b
a
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KORRAPÄRANE HULKNURK
Ü = AB+BC+CD+DE+EF+FG
4 CM
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OLED VÄGA TUBLI!