Antwoorden herhalingsommen hfst 2

Antwoorden volgorde bewerking:
1a

Anneke rekent eerst 5+4  uit: 9. Dan 9×3=27  .
Vinja rekent eerst 4×3  uit: 12. Dan 5+12=17  .

b

17 Vinja

 
2
a
11 + 5 x 2 =
11 + 10 = 21
 
b

10+2×3+4=

10+6+4=

16 + 4 = 20 



c)

6 × 7+5 × 6=

42 + 5 x 6 = 

42 + 30 = 72 

 
 
3

a)

100+10 :2 =

100+5=105 

b)

                                            e)

                                               100×10+2=

                                               1000+2=1002 

                                              f)

100×10:2=

1000:2=500 

                                              100−10+2=

                                                90 + 2 = 92 

c)

100−10:2=

100−5=95

d) 

                                                                      g)

                                                                       100:10+2=

                                                      10+2=12 

 

100:10:2=

10:2=5