MATHEMATICSSPECIAL EDUCATION

ADDITIONAL CONCEPTS 1-20

By : Siti Misalin Parnoh

NotesAdditional operation

Combining collection of object together

into a large collection

Addition is writing usig the plus sign ‘+’ between two term

The result is expressed with an

equal sign(=).

• Examples :

3 apples plus 2 other apples which is same as five

apples.

Instruction :

Choose the correct answer for the additional operation.

1)

a ) 4 c ) 6

b ) 7 d ) 5

a) 4

b) 7

c) 5

d) 6

2)

3)

a) 7 c) 5

c) 9 d) 10

4)

a) 7 c) 9

b) 12 d) 10

5)

a) 10

b) 13

c) 15

d) 16

6)

a) 10

b) 12

c) 14

d) 15

7)

a) 16 c) 19

b) 14 d) 20

8)

a) 14

b) 20

c) 17

d) 19