Fractions
What does the top number in a fraction represent?
The number of pieces that are shaded.
What type of lines go in the same direction but don't touch each other?
parallel
What does 'tri' mean?
3
2 x 7
14
6 + 4
10
What does the bottom number in a fraction represent?
The number of equal pieces that a shape is broken into.
What type of lines cross each other and form acute angles?
intersecting
What do you call a triangle that has 3 equal sides and 3 equal angles?
equilateral
4 x 9
36
8 + 6
14
What fraction of this set is circles?
O X X X O O O X
4/8 or 1/2
What do you call two lines the meet to form a right angle (90 degree angle)?
Perpendicular
What is a scalene triangle?
A triangle that has sides of 3 different lengths.
8 x 7
56
20 - 7
13
Are these two fractions equivalent? Why or why not?
3/4 and 6/8
Yes, they are equivalent because if I multiply 3 by 2 I get 6. If I multiply the bottom by 2 as well, I get 8.
Draw a picture of 2 parallel lines.
Answers will vary.
What do you call a triangle that has a 90 degree angle?
7 x 6
42
35/5
7
10/12 or 15/18 or 20/24
Draw a picture of perpendicular lines.
Answers will vary.
What do you call a triangle that has an angle greater than 90 degrees?
obtuse triangle
7 x 7
49
32 - 17
15