5 + 6 = __
__ - 5 = 6
MISSING NUMBER: 11
7 + 2 = __
__ - 7 = 2
MISSING NUMBER: 9
NOTE:
Explain that the same number fills in the blanks in the pairs of lines for
each example. Write a few more examples like these for the student and help
the student figure out what number works for each pair of statements.