Fractions
1/2 + 1/2 =
2/2
1.0 + 4.9 =
5.9
10 x 10 =
100
How many degrees in a right angle?
90o
20÷5=
4
16/32 + 10/32 =
26/32
6.6 + 2.1 =
8.7
12x12=
144
What kind of angle forms a line?
Straight angle
100÷10=
10
1/10 + 66/100 =
76/100
0.71 + 0.02 =
0.73
13x12=
156
What kind of angle? 150o
Obtuse
63÷7=
9
3/10 + 22/100 =
52/100
9.7 + 2.3 +
12
20x20=
400
What kind of angle? 89o
Acute angle
144÷12=
12
3/10 + 4/20
10/20
7.9 + 0.9 =
8.8
21x21=
441
How many degrees does a straight angle have?
180
121÷11=
11