first/second grade math adding and easy multiplication

Super easy

100

5 + 5 =

10

200

7 + 7 =

14

300

1 * 1 =

1

400

80+1 =

81

500

9+9=

18

Easy

100

21+5=

26

200

30+5=

35

300

10+10=

20

400

2+21=

23

500

20+20=

40

Medium

100

100+100=

200

200

100+1=

101

300

300+5=

305

400

15+15=

30

500

8+90=

98

Hard

100

1000+1000=

2000

200

101+101=

202

300

88+11=

99

400

12+40=

52

500

2*2=

4

Very hard

100

9+999=

1008

200

89*1=

89

300

5+4+5=

14

400

7+7+9=

23

500

43+0+1=

44