REK-MH2-1
Optellen
REK-MH2-2
Aftrekken
This lesson contains 18 slides, with interactive quizzes, text slides and 2 videos.
REK-MH2-1
Optellen
REK-MH2-2
Aftrekken
antwoord b
3 + (9) - 3 + 3 = 12
gehele getallen
optellen
plus:
1. a 900+20+7 b 600+5
c 1000+200+7 d 3000+70+8
2. a 132 b 123 c 69 d 600 e 240 f 139
4. b -46 c 168 e -526
5. 1042, 697, 941, 1096, 1133
6. 326
7. 218, 529, 608, 127, 718
8. a 360 b 189 c 555 d 2104
10. 24 + 41 = €65,-
basis:
1. a 8e streepje en 4,5e streepje b 10e streepje en 3,5e streepje
2. 250, 9840, 11000
3. de Volkskrant
4. a 24890 b 24900 c 25000 d 20000
5. 700, 800, 600, 900
6000, 5000, 7000, 4000
6. a (82 + 18) (13 + 87) (78 + 22) (41 +59)
b (45 + 55) (27 + 73) (44 + 56) (93 + 7)
7. 42 + 35 + 18 = 95
9. 173