Addition

Addition

Lara GhanemGrade 1

2014-2015

Addition of 2 numbers.

Addition of 3 numbers.

Outline: Lara Ghanem, 1st year masters in Educational Technology

2

Karim loves to

play with balls:

Addition of 2 numbers:

Lara Ghanem, 1st year masters in Educational Technology

3

he has 5 red

balls and 3

blue balls

Karim:Lara Ghanem, 1st year masters in Educational Technology

4

How many coins does he have in all?

LET’S COUNT:

Lara Ghanem, 1st year masters in Educational Technology

5

5 3+ = 8

Addition sentence: Lara Ghanem, 1st year masters in Educational Technology

6

Aya is

collecting

fruits:

Addition of 3 numbers:

Lara Ghanem, 1st year masters in Educational Technology

7

she collects:

2 bananas

3 apples

4 oranges.

Aya:Lara Ghanem, 1st year masters in Educational Technology

8

How many fruits does she have in all?

LET’S COUNT:

Lara Ghanem, 1st year masters in Educational Technology

9

2 3+ + 4

Addition sentence:

= 9

Lara Ghanem, 1st year masters in Educational Technology

10

7

6

5

9

3

Exercise:

2 + 3 =

3 + 4 =

2 + 1 + 3 =

1 + 2 =

3 + 4 + 2 =

Lara Ghanem, 1st year masters in Educational Technology

11

Use the PowerPoint pen

7

6

5

9

3

2 + 3 =

3 + 4 =

2 + 1 + 3 =

1 + 2 =

3 + 4 + 2 =

Lara Ghanem, 1st year masters in Educational Technology

11

Exercise: Use the PowerPoint pen

THANK YOU

12

Lara Ghanem, 1st year masters in Educational Technology