Show:
Models
Partial Sums
Break Apart
More than 2-2 digits
Vocabulary
100

23  + 48 = __________

71

100

73 + 16 = ______________

70+10=80

3+6=9

80+9=89

100

24+29= ________________

53

100

41+14+27= _____________

82

100

Math you can do in your head.

Mental Math

200

17 + 30 = __________

47

200

79+16= _____________

95

200

16+25+32+12= ____________

85

200

When you make 10 ones into 1 ten.

Regrouping

300

79 + 19 = __________

98

300

72+8= _____________

80

300

The answer to an addition problem

Sum

400

64 + 27 = ____________

91

400

31+49= _____________

80

400

A picture/drawing used to help solve a problem

Models

500

44 + 52 = _______________

96

500

35+56= _________

91

500

Numbers that are added

Addends