Activity 1: Addition of Integers
Let's Find Out: What are the rules for addition of integers?
Let's Use These Materials: Mathematics notebook and ballpen
Let's Do It This Way:
1. Copy the table in your Mathematics notebook.
2. Add the given integers.
3. Write the letter that corresponds to the answer in the appropriate box. The first one
is done for you.
Here we go...
Riddle: What goes up but never comes back down?
1. 78 + (-15) (0)
78 + (-15) = 63
Table
O
145
63
-55
120
-28
-85
23
2. (-65) + (-20) (G)
3. 47 + 98 (Y)
4. (-75) + 20
5. 38 + (-15) (E)
6. (-10) + (-18) (A)
7. 25 + 95 (R)
... only goes up but never comes down.
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Verified answer
Answer:
1.63
2.-85
3. 145
4. -55
5. 23
6. -28
7. 120