Page 130 - New Medley 1 Semester 1

Competencies
C-8.6

• Critical Thinking
• Logical Reasoning
21st CENTURY SKILLS • Problem Solving
6 Addition and

Subtraction up to 19

Add by Drawing Lines and Counting

Suppose we have to add 6 and 4.

This can be done by drawing lines and counting.

6

+ 4 (We count lines. There are 10 lines)

1 0

So 6 + 4 = 10

A. Draw lines and add the following:
1. 2. 3.
4 7 7

+ 7 + 5 + 6

4. 5. 6.
8 8 9

+ 6 + 7 + 7

7. 8. 9.
8 9 9

+ 8 + 8 + 9

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