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Counting, addition,

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Page 1: Counting, addition,
Page 2: Counting, addition,

0, 2, 4, 6, 8, 10, 12, 14

1, 3, 5, 7, 9, 11, 13, 15

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Page 3: Counting, addition,

You can count by 2’s by:

› Adding 2 to the last number

› Skipping every other number

Page 4: Counting, addition,

0, 2, 4, 6, 8, 10› Always have an even number

1, 3, 5, 7, 9, 11› Always have an odd number

Page 5: Counting, addition,

A. 12

B. 14

C. 10

D. 6http://coloringbookmaker.com/index.cfm?to

pic=show_number_4.cfm

Page 6: Counting, addition,

When counting by 5’s your

number will end with a 5 or 0

Page 7: Counting, addition,

0, 5, 10, 15, 20, 25, 30, 35

› Every other number is even or odd

Page 8: Counting, addition,

A. 10

B. 15

C. 8

D. 11

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4639.html

Page 9: Counting, addition,

Addition: Combining objects

or numbers together to make

a sum

Page 10: Counting, addition,

Sum: the answer to an addition problem

+ is the addition sign

http://www.wpclipart.com/signs_symbol/assorted/assorted_3/addition_sign.png.html

Page 11: Counting, addition,

2 + 2 = 4

Addition Sum

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edgovt.html

Page 12: Counting, addition,

1 + 1 = ? A. 3

B. 0

C. 2

D. 1

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Page 13: Counting, addition,

Subtraction: the removing of some

objects from a group.

› The meaning of 5-3=2 is: three objects taken away from a group of five objects two

objects remain.

Page 14: Counting, addition,

Difference: is the answer to a

subtraction problem also called the

remainder.

- is the subtraction sign

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Page 15: Counting, addition,

A. 4

B. 2

C. 0

D. 1

4 – 3 =?

http://www.de-fact-o.com/fact_read.php?id=61

Page 16: Counting, addition,

A. 1

B. 3

C. 4

D. 2http://www.galacticcircus.com.

au/redemption.html