Show:
easy addition
easy subtraction
hard subtractions
hard addition
shapes
100

5+10

15

100

3-2=

1

100

20-10=

10

100

20+10

30

100

🟩

Square

200

9+7=

16

200

4-2=

2

200

22-11=

11

200
22+11

33

200

🔺

Triangle

300

2+4=

6

300

7-4=

3

300

30-20=

10

300

15+14

29

300

⚪️

Circle

400

7+7=

14

400

10-5=

5

400

25-23=

2

400

12+10=

22

400

❤️

Heart

500

3+4=

7

500

14-7=

7

500

25-25=

0

500

30+20=

50

500

⭐️

Star