3. 4. 2020
Výsledky cvičení z matematiky z minulého týdne:
str. 98
cv. 18
< > > <
> > = >
cv. 19 Nejmenší číslo je 2,4, největší je 3,8. 2,4 < 3,1 < 3,8.
cv. 20
a) 6,81 5,6 4,7 2,82 5,27 5
b) 2,5 0,74 4,7 2,82 1,9 5
c) 4,7 2,82 5
cv. 22
2,35 m 5,6 dm 8,7 cm
3,05 m 2,33 dm 0,4 cm
str. 99
cv. 27
25 dm = 2 m 5 dm = 2,5 m; 82 dm = 8,2 m; 69 cm = 0,69 m
135 cm = 1 m 35 cm = 1,35 m; 40 dm = 4 m; 528 cm = 5,28 m
54 mm = 5 cm 4 mm = 5,4 cm; 67 mm = 6,7 cm; 204 cm = 2,04 m
cv. 28
358 cm = 3,58 m; 428 cm = 4,28m.
cv. 29
Petr 1,47 m 2.
Jirka 1,40 m 3.
Karel 1,51 m 1.
Pavel 1,39 m 4.
cv. 30
( 654 000 : 10 ) . 7 = 457 800
str. 101
cv. 2
0,6; 2,5; 0,77
0,7; 1,7; 2,40
1 4 1,58
cv.3
7,8 6,38 1,67
8,4 8,24 4,81
cv.5
81,2; 1 026,2; 102,47; 226,56; 1 018,24 ; 443,02.
str. 102
cv. 6
a) 147,16; 332,48; 405,02
b) 90,83; 939,72; 412,72
cv. 7 12,5 + 8,50 = 21. Maminka platila 21 Kč.
Početník 1 str. 32
cv. 1 potřebovali jsme vzoreček pro výpočet obvodu čtverce: o = 4 . a Nezapomeň PŘEVÁDĚT NA STEJNÉ JEDNOTKY
o = 36 cm; o = 228 mm; o = 76 dm
o = 828 dm; o = 392 mm; o = 18 000m
o = 628 km; o = 2 500 mm; o = 300cm ( ¾ m = 75 cm)
cv. 2 Potřebovali jsme vzoreček a = o : 4
j = 20 cm; k = 3 dm; l = 25 m
m = 11 km; n = 1 600 m; p = 179 mm
r = 50 cm nebo 5 dm; s = 6 cm; t = 125 m
cv. 3
150 . 4 = 600 cm = 6 m
6 . 8 = 48 Kč.
AJ5
str.53
cv. 3b
1 He‘s under the bed.
2 He‘s in front of the chest of drawers.
3 He‘s in the wardrobe.
4 He‘s behind the CD player.
5 He‘s between the books and the CDs.
6 He‘s next to the mobile phone.
7 He‘s opposite the radio.
cv. 4 a
2 The chir is in front of the desk.
3 The bedside table is between the bed and the desk.
4 The lamp is on the bedside table.
5 The desk is next to the bedside table.
6 The spider is under the bookshelf.
7 The bed is opposite the wardrobe / chest of drawers.
8 The bag is in the wardrobe.
PS str. 42
cv. 1
2 a mirror 5 a rug
3 a lamp 6 a chair
4 a bed 7 a desk
8 a chest of drawers
cv. 2
2 chair; 3 rug; 4Teddy bear; 5 bed; 6 CD player; 7 poster
cv. 3
lamp, poster, mirror, window, carpet, chair, wardrobe, desk, table, door, book
str. 43
cv. 5
3 x The chest of drawers is next to the bed.
4 x The football is in the wardrobe.
5 x The box is under the bed.
6 x The rug is under the table.
7 v
8 x The violin is behind the chest of drawers.
cv. 6
2 between the chest of drawers
3 in the wardrobe
4 on the table
5 on the bed
6 in the wardrobe
cv. 7
1 Anna; 2 Ben; 3 Alison; 4 Tony; 5 John; 6 Kenny.
Str. 44
cv. 1
2 bathroom
3 living room
4 hall
5 kitchen
6 dining room
7 garden
8 desk
9 wardrobe
10 shower
11 chest of drawers
12 bed
13 phone
14 television
15 door
16 table
17 chair
18 window
str. 45
cv. 2
2 There is
3 There are
4 There are
5 There is
6 There is
7 There are
8 There is
cv. 3
2 are
3 is
4 is
5 is
6 isn‘t
7 is
8 isn‘t
9 are