Addition
5+8
13
9-8
1
7x2
14
a dime =
10 cents
x = addition sign
false
x = multiplication sign
+ = addition sign
9+7
16
10-0
10
3x6
yes or no - does the order matter when you're adding?
example:
7 + 4 + 2 = 4 + 2 +7
no, the order doesn't matter!
this is called "commutative property"
7 + 4 + 2 = 13 is the same as
4 + 2 + 7 = 13
8 is an odd number
false
8 is an even number
8 can be divided into 2 equal groups, any number ending in 0, 2, 4, 6, or 8 is EVEN
13+16
29
19-6
13
6x6
36
list the multiples of 3
hint: skip-count by three's up to 30
3, 6, 9, 12, 15, 18, 21, 24, 27, 30
7x4=28
true
12+38
50
20-16
4
8x5
40
how many hours are we in summer school for?
hint: 8:30 a.m. - 12:00 p.m.
3.5 hours
120 minutes = 2 hours
true
There are 60 minutes in 1 hour
60 minutes + 60 minutes = 120 minutes
25+37
62
29-19
10
10x11
110
what is the average body temperature?
98.6 0 F
4/4 = 1 whole
true
when the numerator and the denominator are the same, the fraction is equivalent to 1 whole