Math

algebra

100

what is x in x-3=8

x=?

x=11

200

(4y-4)/4=16

y=17

300

what is b in 4b-3=2b

b=3/2

400

4.7x-3.3=1.4

x=1

500

1/4x+16-9=2/3x+5

x=24/5

inequalities

100

what is the less than or equal sign mean

At most

200

what does the greater than or equal to sign mean?

At least

300

Solve the inequality

x+3>9

x>6

400

(x+3)/8>4

x>29

500

(x+3*5)/15>2

x>15

integers

100

Which of these numbers are integers?

1, -0.3, 1/5, 9/10, 20/2, -4, 0.

1, 20/2, -4, 0.

200

If an elevator starts at the ground floor, goes down 3 levels, and goes up 8. What level is the elevator at?

level 5

300

What is an integer?

A positive or negative whole number(can be in fraction or percent form), and zero.

400

A swimmer went down 5 feet a minute for 15 minutes, what is the swimmer's change in depth? (represented by a integer)

-75

500

A climber climbed 17 feet a minute for 2 minutes. Then he slipped and descended 2 yards. What is his position represented by a integer

28 feet

ratios

100

Name a equivalent ratio to 39:47

78:94

200

Jack wins 75 out of 100 games that he plays. What is the ratio of games won to games lost?

3/1

300

Name 5 equivalent ratios to 2/4

1/2, 3/6, 4/8, 5/10, 6/12........

400

Name 5 equivalent ratios to 1/3

2/6, 3/9, 4/12, 5/15, 6/18, 7/21, 8/24, 9/27.......

500

Jack has 5 grey owls, and 17 total owls, the rest are brown owls. What is the ratio of brown owls to grey owls?

12:5

try it

500

Guess the number. It's less than 1000, it's the sum of two consecutive numbers, it's divisible by three and five.

The number is 975.

975<1000

487+488=975

975/5=195

975/3=325