Questionmark Perception
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Introduction

Maak de sommen.


Question

1
Reken uit.
900 + 50 - 4 =

Question

2
Reken uit.
670 - 340 =

Question

3
Samen 1000.
905 + = 1000

Question

4
Samen 1000.
845 + = 1000

Question

5
Reken uit.
400 - 80 - 3 =

Question

6
Reken uit.
654 + 123 =

Question

7
Samen 1000.
900 + = 1000

Question

8
Reken uit.
600 - 90 - 4 =

Question

9
Reken uit.
900 + 80 + 2 =

Question

10
Reken uit.
361 + 217 =