Multiplication
Geometry
Fractions
Mental Math
5th Grade Math Mystery
100

5,523 x 8 = 

44,184

100

A square has one side that is 12 cm long.  What is the area of the square?


144 square cm

100

3/8 + 1/4 =

5/8

 

100

Solve for x:

600 x 4 = x

2,400

100

Which is greater, 0.05 or 0.48?

0.48

200

12 x 58 =

696

200

True or False:

A rectangle is a square.

False

200

1/4 + 2/4=

3/4

200

Solve for x:

20 x 20 = x

400

200

What is the name of the angle that measures greater than 90 degrees?

Obtuse

300

13 x 85 =

1,105

300

What is the name of the angle that measures less than 90 degrees?

Acute

300

Change this fraction to a mixed number.

26/3

8    2/3

300

Solve for x:

250 x 2 = x

500

300

What do you call the answer to a multiplication problem?

Product

400

8,251 x 9 =

74,259

400

What is the name of the triangle that has TWO sides of equal length?

Isosceles

400

Change this mixed number to a fraction greater than a whole (improper fraction).

2   1/8

17/8

400

Solve for x:

120 + 120 + 20 + 20 + 1 = x

281

400

Solve for x:

4,027 - 2,738 = x

1,289

500

25 x 64 =

1,600

500

A square has one side that is 12 cm long.  What is the perimeter of the square?

48 cm

500

Luis ate 4/2 oranges in the morning and ate another 3/2 oranges after lunch. How many oranges did he eat? 

3    1/2 oranges

500

Solve for x:

800 x 20 = x

16,000

500

What is 6/18 written in simplest form?

1/3