Real numbers
Slope
True or false
Patterns
Riddles
100

What group is 3.14 in.

irrational

100

What is the slope of a vertical line?

undefined

100

6 x 2 +1 =2 x 9

False

100

whats the pattern 2, 6, 10, 14, 18

skip counting by four

100

What is the smallest number that increases by 12 when it is flipped and turned upside-down?

 The answer is 86. When it is turned upside-down and flipped, it becomes 98, which is 12 more than 86.

200

what group is -17 in

integers

200

What is the slope of a horizontal line

0

200

6 x 4 = 15 + 3 x 3

True

200

Whats the pattern. 1, 5, 9, 13, 

every other odd number

200

Using only addition, add eight 8s to get the number 1,000.

888 + 88 + 8 + 8 + 8 = 1,000.

300

what group is 1/3 in

rational

300

What is the slope. 3x+4y=8

y=-3/4x+2

300

Free 300 points

Do you want it

300

what is the pattern. 6, 12, 18, 24, 30, 36

+6

300

 Add six to eleven, and get five. Why is this correct?

Think about the numbers on a clock. When it is 11 a.m., adding six hours makes it 5 p.m.

400

what group is 0 in

whole number

400

What is the slope. 9x+35=-5y

y=-9/5x-7

400

19 + 14 / 7=\ =3 x 7

True

400

What is the pattern. 2,6,24,78

+2 x3

400

One brother says of his younger brother: “Two years ago, I was three times as old as my brother was. In three years time, I will be twice as old as my brother.” How old are they each now?

They must be 17 and 7.

500

What group is 5 in

all of them


500

What is the slope. 2y-6=-6x

y=-3x+3

500

16 - 2 x 4 = 16 / (4 + 4)

False

500

What is the pattern. 1, 6, 11, 16, 21

+5
500

My twin lives at the reverse of my house number. The difference between our house numbers ends in two. What are the lowest possible numbers of our house numbers?

The lowest possible numbers for the houses are 19 and 91. The difference is 72.