Show:
True or False?
Open Number Line
Break Apart
Show Compensation!
How many Tens? How many Ones?
100

2+2=5

FALSE! 2+2=4

100

Show your work on Open Number Line!

25+35=

Show your Work!

60

100

Show Break Apart!


12+14

Show your work!


26

100

Show Compensation!

12+13

25

100

How many TENS are in the number 12?

1

200

12+8=20

True! 

200
Show your Work on an Open number line!


10+10

20

200

Show Break Apart!


21+12

Show your work!


33

200

Show Compensation!

15+15

30

200

How many ONES are in 12?

2

300

23+22=35

FALSE! 23+22=45
300

Show your work on an open number line!


26+27

Show your work!


53

300

Show Break Apart!


26+27

Show your work!


53

300

Show Compensation!

24+26

50

300

How many Tens are in 37?

3

400

42+37=79

TRUE!

400

Show your work on an open number line!


54+24

Show your work!


78

400

Show Break Apart!


54+24

78

400

Show Compensation!

24+57

81

400

How many ONES are in 37?

7

500

35+45=100

FALSE! 35+45=80

500

Show your work on an open number line!


49+49=

Show your work!


98

500

Show Break Apart!


49 + 49

98

500

Show Compensation!

55+55

110

500

How many tens are in 120?

2