True or False?
2+2=5
FALSE! 2+2=4
Show your work on Open Number Line!
25+35=
Show your Work!
60
Show Break Apart!
12+14
Show your work!
26
Show Compensation!
12+13
25
How many TENS are in the number 12?
1
12+8=20
True!
10+10
20
Show Break Apart!
21+12
Show your work!
33
Show Compensation!
15+15
30
How many ONES are in 12?
2
23+22=35
Show your work on an open number line!
26+27
Show your work!
53
Show Break Apart!
26+27
Show your work!
53
Show Compensation!
24+26
50
How many Tens are in 37?
3
42+37=79
TRUE!
Show your work on an open number line!
54+24
Show your work!
78
Show Break Apart!
54+24
78
Show Compensation!
24+57
81
How many ONES are in 37?
7
35+45=100
FALSE! 35+45=80
Show your work on an open number line!
49+49=
Show your work!
98
Show Break Apart!
49 + 49
98
Show Compensation!
55+55
110
How many tens are in 120?
2