Grade 1 - Addition and Subtraction

Vorgänger und Nachfolger

100

What is the number before and after 1?

0 and 2

200

What is the number before and after 8

7 and 9

300

What is the number before and after 16

15 and 17

400

What is the number before and after 20

19 and 21

500

What is the number before and after 23

22 and 24

Zählen in Schritten

100

0, 2, 4, ?

6

200

1, 4, 7, ?

10

300

2, 5 , 8, ?

11

400

17, 15, ?

13

500

21, 18, ?

15

Doubles

100

2+2=?

4

200

5+5=?

5+5=10

300

9+9=?

9+9=18

400

11+11=?

22

500

15+15=?

30

Subtraction

100

5-3=?

5-3=2

200

9-4=?

9-4=5

300

15-5=?

15-5=10

400

26-5=?

26-5=21

500

17-8=?

17-8=9

Überschreiten

100

8+4=?

8+4=12

200

6+5=?

6+5=11

300

7+9=

7+9=16

400

18+3=?

18+3=21

500

19+8=?

19+8=27