Show:
Doubles
2 digits addition
Which is it?
2 digit subraction
Counting
100

Solve the math problem:

10+10= ___

20

100

Solve the math problem:

22+11=

33

100

Number before 90

89

100

Number after 3

4

100

X X X X

X X X 

7

200

Solve the math problem:

20+20=

40

200

Solve the math problem:

34+28=

62

200

Number before 43

42

200

Number after 19

20

200

X X X X X

X X X X X

X X X X X

X X X 

18

300

Solve the math problem:

30+30=

60

300

Solve the math problem:

30+31=

61

300

which problem totals 66

22+44

21 + 11



22+44

300

Number after 11

12

300

X X X X X

X X X X X

10

400

Solve the math problem:

40+40=

80

400

Solve the math problem:

40+41=

81

400

Number before 15

14

400

Number after 17

18

400

X X X X X

X X X X X

X X X

13

500

Solve the math problem:

50+50= ___

100

500

Solve the math problem:

56+61=

117

500

solve each problem and find which number is greater than 78

25+55

21+13


25+ 55 = 80

500

Number after 6

7

500

X X X X X

5