Multiplication
do the following
Brain teasers !
Math
equations
100

9x2

18

100

3/4=?

75

100

Divide 30 by ½ and add 10. What’s the answer?

t's 70. You’re dividing 30 by ½, not by two. Thirty divided by ½ is the same thing as multiplying it by two, which is 60. Plus 10 makes 70!

100

what is the mean of 1.55,1.60, 1.80,1.90

5.425

100

[32+2x17+(-6)]/15

4

200

1/2x2

1

200

fill in the blank

4,8,12,16,__,__

20,24

200

 farmer has 19 sheep on his land. One day, a big storm hits and all but seven run away. How many sheep does the farmer have left?

Seven. The riddle says all but seven run away, meaning there are seven left who didn’t.

200

To change a decimal to a percent you _

multiply by 100

200

9-(-3)=

12

300

114x3

342

300

what is the missing number

21, 42, 84, 168, 336, (?)

672

300

How many times can you divide 80 from 8

1 once only ,

use your brain and think !

300

what is 4/5 as a percent

80%

300

i am a number

tell my identity 

take me 2 times over

and add a 30

to reach double century 

you still need 52

x=59

400

234x2

468

400

0 , 9 , 18 , ___ , ___ , 45 ,__

27,36,54

400

A clerk at the butcher shop is six feet tall and wears size 10 shoes. What does he weigh?

Meat. He works at the butcher shop, so he weighs meat for a living.

400

what is 16 percent of 50

8

400

7x/4 = 1/7

4/49

500

2,345x4

9380

500

find the median

7, 5, 2, 14, 3, 1, 2, 6, 8, 5, 3, 16, 6, 2, 4, (?)

5

500

There are 5 people and they can build 5 houses in 5 days. if there are 100 people how much time will it take them to build 100 houses 

5 days !!

500

x *70 = 700

10

500

Solve for m:

2(m + 6) = 48

m=18

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