Friday Math Jeopardy

GCF

100

The GCF of 18 & 36 is ____.

18

200

The GCF of 17 & 30 is ____.

1

300

The GCF of 36 & 90 is _____.

18

400

The GCF of 45 & 75 & 120 is  _____.

15

500

The GCF of 16x²  and 24x  is _____.

8x

Distributive Property

100

2(x+1)

2x+2

200

4(2x + 5)

8x + 20

300

2x(x + 5)

2x² + 10x

400

3x(5 - 2x²)

15x - 6x³

500

2x(x + 3 + 5x²)

2x² + 6x + 10x³

Evaluate Expressions

100

2x + 4 when x = 3

10

200

7t - 4 when t =4

24

300

2(2x + 5) when x = 1/2

12

400

x²+2x+1 when x = 4

25

500

x³- 3x²+2x - 1 when x = 3

5

math riddles

100

I am an odd number, take away a letter and I'm even, I am the number _____

seven

200

A pound of feathers and a pound of bricks are fighting over who weighs more. They weigh....

the same

300

9 + 4 + 59 + 8 = 74 equation can be true but only if you______.

turn the 9's upside down

400

What time does math class start?

12:20

500

A circle has _____ sides.

2, inside & outside

math puzzles

100

There are 5 apples and you take 3 away. The numbers of apples you have is___.

3

200

It is less than 90, greater than 50, it is an even number, it is a multiple of 8 and a factor is 24. The mystery number is___.

72

300

If a baby elephant weighs 50kg more than half her weight she weighs ____kg        

100kg

400

Write down eight eights so that they add up to one thousand.

888+88+ 8+8+8

500

It is a prime number, less than 40, 2 digits, if you double it and take away 9, you end up with a perfect square number....                                              

    

17