Show:
Sum of two digit numbers
Expressions
Sum of two digits and one digit numbers
Equations
addition
100

Cual es el total?

45+10=

55

100

23+10+5=

38

100

70+3=

73

100

Solve

____ + 3 = 53

50 + 3 = 53

100

12+45=

Add your tens 

10+40= 50

200

Cual es el total?

45+20=

65

200

20 + 10+ 2

32

200

43+8

51

200

Solve

30 + 22 = ____

30 + 22 = 52

200

12+45

Add your ones 

2+5=7

300

Cual es el total?

45+30=

75

300

26+2+3+10=

41

300

79+9

88

300

Solve

60 + 13 = ___

60 + 13 = 63

300

Add your tens and ones 

12+45=

10+40= 50

2+5= 7

50+7= 57

400

Cual es el total?

45+40=

85

400

Which equations have the same value 

24+ 16=

A. 20+4+10+6

B. 20+20

C. 30+5+5

D. 20+25+5

A. 20+4+10+6

B. 20+20

C. 30+5+5



400

74+6

80

400

Solve

60 - 20 = ____

60 - 20 = 40

400

To find 11+42, Arlo adds the ones 1+2= 3

Then he adds the tens 1+4= 5

Then he adds the ones and tens 3+5= 7

Do you agree or Disagree

Disagree 

500

Cual es el total?

45+50= 

95

500

Which equation has the same value 

25+18=

A. 20+3+20

B. 20+20

C. 30+5+5

D. 20+25+5

A. 20+3+20

500

99+3

102

500

Solve

42 + ____ = 62

42 + 20 = 62

500

To find 17+43, Joshua adds the ones 7+3=10

Then he adds the tens 1+4=5

Then he adds the ones and tens 10+5 =15

Do you agree or Disagree


Disagree