Vocabulary
6-7
Brain Teasers
Don't Show Your Work (Mental Math)
Practice & Final Jeopardy
100
a relation for which each input value has exactly one output value
function
100
67 x √12
67
100
A farmer had 17 sheep. All but 9 of them ran away. How many does she have left?
9 sheep
100
90 x 400
36,000
100
Practice 1: About how many people live in India?
about 1.47 billion people
200
an equation that contains variables (x,y) and constants, cannot contain exponents, roots, or absolute value, and results in a straight line when graphed
linear equation
200
Is a triangle with these side measurements a right triangle? Why or why not?
6cm, 7cm, √67 cm
No, because 85 (62 + 72) does not equal 67 (√672).
200
A boy is 2 years old. His brother is half as old as him. When the first boy is 100, how old will his brother be?
99 years old
200
14,000 / 70
200
200
Practice 2: What's for lunch today?
300
algebraic terms that contain the exact same variable raised to the same power. They can be combined to simplify expressions.
like terms
300
Put these in order from LEAST to GREATEST:
6/6, 6.7, 6 6/7, √6
6/6, √6, 6.7, 6 6/7
300
Mr. Lee has 4 daughters. Each of his daughters has one brother. How many children does Mr. Lee have?
5 children; 4 daughters and 1 son
300
A tree is 40 ft tall. There are 12 inches in each foot. How tall is the tree in inches?
480 inches tall
400
When two figures have the exact same size and shape, even if they have undergone a translation, rotation, or reflection, the two figures are ___________.
congruent
400
Find the slope of a line that contains the points (6, 7) and (7, 6)
m= -1
400
Using only addition, add eight 8s to get 1000.
888 + 88 + 8 + 8 + 8 = 1000
400
8 + 20(4 x 6)
488
500
a 3D solid shape with 6 rectangular faces, twelve edges, and eight vertices, where all faces meet at right angles.
rectangular prism
500
If a cylinder has a diameter of 6 and a height of 7, what is its volume? (use 3.14 for π)
V=πr2h
197.82
500
When does 9 + 5 = 2?
When you're telling time.
9:00 + 5 hours = 2:00
500
6,000 x 1100 + √1
6,600,001
500
FINAL JEOPARDY: (Worth the # of points you wagered)
Use the numbers 2, 3, 4, and 5, and the symbols + and = to make a true math equation.
2+5 = 4+3