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P. 228
14Mirror Mirror on the Wall Unit

Material Mirror

d. Have students check their answers using a
mirror.
+

+ = 36

e. - = 60

-

f. + = 79

+ What you need: Mirror

Use a mirror to check your answers.

14. Mirror Mirror on the Wall 131

Problem: Solve the problem without using a mirror. Solution:

-
- Answer: 97 24 73
-
-

3A Unit 14 211
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