### Chapter 3 - Real numbers and the coordinate plane

N McI

key terms from chapter 3; 8th grade students

 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Across
3.a number that is the square of a whole number
6.the number of degrees a figure rotates
7.gives the coordinates of the location of a point
9.the longest side in a right triangle
13.numbers that cannot be written in the form a/b, where a is any integer and b is any nonzero integer
15.a transformation that turns a figure about a fixed point
17.the vertical number line in a coordinate plane
18.any one of the four sections into which the coordinate plane is divided
19.the set of numbers that includes rational and irrational numbers
20.the number of horizontal units a point is from the origin
Down
1.the figure you get after a transformation
2.the figure that can be reflected over a line so its image matches the original figure has ...
4.a grid formed by the intersection of two number lines
5.a transformation that flips a figure over a line
8.a transformation that moves each point of a figure the same distance and in the same direction
10.a line that divides a figure into mirror images
11.a change in position, shape, or size of a figure
12.the point where the x-axis and the y-axis intersect
14.an equation whose solutions lie on a line
16.the two shorter sides of a right triangle

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