7th grade math

Question 1

an equation showing that two ratios are equal is a

Answer 1

proportion

Question 2

the coordinates of a point on a grid are written as an

Answer 2

ordered pair

Question 3

a special ratio that compares a number to 100 and uses the symbol%

Answer 3

percent

Question 4

the set of whole numbers and their opposites, the number -3 is an

Answer 4

integer

Question 5

Write the following decimals as percents: 1. .77 2. .06 3. 0.9 4. 1.04

Answer 5

1. 77% 2. 6% 3. 90% 4. 104%

Question 6

Write the following percents as decimals: 1. 42% 2. 80% 3. 1% 4. 131%

Answer 6

1. .42 2. .8 3. .01 1.31

Question 7

What is 10% of 40

Answer 7

4

Question 8

What is 12% of 100

Answer 8

12

Question 9

What is 99% of 60?

Answer 9

59.4

Question 10

What is 100% of 81?

Answer 10

81

Question 11

What is 45% of 360?

Answer 11

162

Question 12

a base-10 place value system

Answer 12

decimal system

Question 13

an exact spot usually represented by a dot

Answer 13

point

Question 14

a straight path that has no thickness and extends forever in opposite directions, 2 points

Answer 14

line

Question 15

a flat surface that has no thickness and extends forever, 3 points

Answer 15

plane

Question 16

a part of a line with one end point, extends forever in one direction

Answer 16

ray

Question 17

a part of a line with two definite endpoints

Answer 17

line segment

Question 18

figures with the same shape and size

Answer 18

congruent

Question 19

How can you indicate congruent lines?

Answer 19

tick marks

Question 20

What is the tool used to measure angles?

Answer 20

protractor

Question 21

two angles that add up to a 90 degree angle

Answer 21

complementary angles

Question 22

two angles that add up to 180 degrees

Answer 22

supplementary

Question 23

How many degrees are in a straight line?

Answer 23

180

Question 24

two rays with a common endpoint

Answer 24

angle

Question 25

the common endpoint of two rays forming an angle is called what

Answer 25

vertex

Question 26

angles are measured in what units

Answer 26

degrees

Question 27

What is a right angle?

Answer 27

90 degrees

Question 28

angles less than 90 degrees

Answer 28

acute

Question 29

angles more than 90 degrees

Answer 29

obtuse

Question 30

angle that equals 180 degrees

Answer 30

straight angle

Question 31

line in the same plane that never cross

Answer 31

parallel

Question 32

when two parallel lines are intersected by a third line, what is the third line called?

Answer 32

transversal

Question 33

Name all the interior angles.

Question 34

Name the exterior angles.

Question 35

Which angles are alternate interior angles?

Answer 35

c and f d and e

Question 36

What are the alternate exterior angles?

Question 37

What are the corresponding angles? Are they congruent?

Answer 37

the angles in the same position relative to the parallel lines yes

Question 38

if the angles formed by two intersecting lines measures 90 degrees, what are the lines

Answer 38

perpendicular

Question 39

lines that don't intersect but aren't parallel

Answer 39

skew

Question 40

angles with a common vertex, a common side but no common interior points

Answer 40

adjacent

Question 41

the opposite angles formed by two intersecting lines Are they congruent?

Answer 41

vertical angles yes

Question 42

The sum of the angles in a triangle equals what? What is the missing angle?

Answer 42

180 degrees

Question 43

a line segment that connects two non-adjacent angles of a polygon

Answer 43

diagonal

Question 44

the sum of all the angles in a quadrilateral equals what

Answer 44

360 degrees