7th grade review
Equations & Inequalities
Algebra
Angles
Riddles
10

Jihan is building a house and needs to purchase 36,000 feet of wood. How many yards does he need to purchase?

What is 12,000 yards?

10

Translate using the appropriate inequality sign: Muntaha has at least $20 in his wallet Let "m" equal the amount in Muntaha's wallet.

What is m > 20

10

Write an expression equivalent to: 14a - 4a + 5a - 3a

What is 12a

10

Angles 1 and angles 3 are vertical. If m<1 = 128 degrees, find m<3

128 degrees

10

I’m tall when I’m young, and I’m short when I’m old. What am I?

Candle

20

Simplify the expression: 10^3 times 10^-7

Hint: The bases are the same, so.....

What is 10*-4

20
Solve for j: -7j - 10 = 11
What is j = -3
20

27a + 24b - 30c 

Factor this expression

3(9a + 8b - 10c)

20

If two of the angles have a sum of 68 degress what is the measure of the third angle? Double points if you can tell me what kind of triangle it is!

112 degrees and Obtue Triangle

20

What month of the year has 28 days?

All of them

30

A scale on a map reads: 1 cm = 75 miles If Kim measures the distance on the map bewteen to cities to be 5cm, what is the actual distance, in miles?

What is 375 miles.

30
Solve for y: 10y= 2(4y - 1)
What is y = -1
30

Simplfy the expression 12x - 4 + 3x

15x - 4

30

What does adjacent mean?

next to or close to something; (in angles) having a common vertex and a common side

30

What question can you never answer yes to?

Are you asleep yet?

40

Today, $1 USD = .6 Euros How many Euros would be equaivalent to $8 USD?

What is 4.8 Euros

40
Solve the equation below for x: 2(6 + 2x) = 8x
What is x = 3
40

Multiply: -10y(3x - 5)

-30xy + 50y

40

Angles 1 and 2 are complimetary. If angle 2 is 37 degrees what is the measure of angle 1?

53 degrees

40

A man dies of old age on his 25 birthday. How is this possible?

He was born on February 29.

50

Which is the better deal? $24.00 for 40 ounces OR $36.00 for 60 ounces?

Neither

50
Solve and graph on a number line: 7x - 10 < 9x
What is x > -5
50

What is a correspondence? 

A correspondence between two triangles is a pairing of each vertex of one triangle with one (and only one) vertex of the other triangle. 

50

12x + 6x + 2x = 180 

what does x equal? 

x = 9


50

 What has hands, but can’t clap?

A clock