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0, 2, 4, 6, 8, 10, 12, 14
1, 3, 5, 7, 9, 11, 13, 15
www.sparklebox.co.uk/thumbs141-145/sbk15prev
You can count by 2’s by:
› Adding 2 to the last number
› Skipping every other number
0, 2, 4, 6, 8, 10› Always have an even number
1, 3, 5, 7, 9, 11› Always have an odd number
A. 12
B. 14
C. 10
D. 6http://coloringbookmaker.com/index.cfm?to
pic=show_number_4.cfm
When counting by 5’s your
number will end with a 5 or 0
0, 5, 10, 15, 20, 25, 30, 35
› Every other number is even or odd
A. 10
B. 15
C. 8
D. 11
http://www.clker.com/clipart-
4639.html
Addition: Combining objects
or numbers together to make
a sum
Sum: the answer to an addition problem
+ is the addition sign
http://www.wpclipart.com/signs_symbol/assorted/assorted_3/addition_sign.png.html
2 + 2 = 4
Addition Sum
http://www.volunteertoday.com/f
edgovt.html
1 + 1 = ? A. 3
B. 0
C. 2
D. 1
http://www.flickr.com/photos/nevrlndtink/240980093/
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.
Difference: is the answer to a
subtraction problem also called the
remainder.
- is the subtraction sign
http://manicmathmadness.blogspot.com/
A. 4
B. 2
C. 0
D. 1
4 – 3 =?
http://www.de-fact-o.com/fact_read.php?id=61
A. 1
B. 3
C. 4
D. 2http://www.galacticcircus.com.
au/redemption.html