Math Review

Naming Numbers

100

How do you spell "83" ?

What is eighty three?

200

What is the name of the first decimal place?

Tenths

300

Pronounce 31,542,475

Thirty one million, five hundred forty two thousand, four hundred seventy five.

400

Declare two prime numbers

2,3,5,7,11,13,17,19,23,29,41

500

What is pi? Extra point-how is it used?

3.14159

pi is the  ratio of a circle circumference to it's diameter

Converting Fractions

100

What is an example of 1 as as a fraction?

What is 1/1?

200

2 1/2 into an improper fraction

5/2

300

Is 1/4 = 25/100?

Yes

400

13/2 into a mixed fraction

6 1/2

500

Fill in the missing number- 1/5 = x/25

x = 5

Mental Math

100

2 x 8 =

16

200

6 x 8 =

48

300

9 x 7 =

63

400

9^{2 =}

81

500

121 / 11 =

12

Fraction Math

100

1/2 + 1/2 = 

1

200

2/5 + 5/5 =

7/5 or 1 2/5

300

3/2 x 1/2 =

3/4

400

3/5 - 1/2 =

1/10

500

2 1/5 x 3 5/8 =

6 1/8 (5/40)

Which is Greater?

100

3/1 or 5/2?

3/1

200

2/5 or 4/10

Equal!

300

6/12 or 2/3

2/3

400

4 1/2 or 4 4/9

4 4/9

500

5 1/2 or 18/4

5 1/2