8th Grade : Unit 0

Invisible Math

100

Fractions are ________

Division

200

What is the exponent?

7

1 or 7¹

300

Put a + sign 

somewhere logical

                  90

+90

400

Put into fractional form

5

5/1

500

What operation is between these?

             xy  =  x   y

Multiplication

600

What does this equal?

              42⁰  =

1

Multiplication

100

11² =

12² =

11² = 121

11² = 144

200

Write "5 multiplied by 5" by using parenthesis.

5(5) OR (5)(5)

300

6² =

7² =

6² = 36

7² = 49

400

120

x 5

600

500

(-5)(5)(-5)

Positive or Negative?

Positive

600

3*3= 9

5*5 = 25

What special name do we have for numbers like 9 and 25?

Perfect Squares

Fractions/Decimals

100

Convert .5 to a fraction

1/2 or 5/10..

200

What is 75 cents in decimal form?

.75

300

(2/3)(2/5)

4/15

400

How many cents does 0.05 represent?

5 cents

500

(3/5) + (2/5)

5/5 or 1

600

Correctly add a Decimal point to this number.

10

10.0

Negatives

100

a negative times a negative is a _________

Positive

200

a negative times a positive is a ________

Negative

300

(-3)(4)=

-12

400

 (-2) + (9)  =  

7

500

  (-10) - ( -5) =

-5

600

(-7)(-7)

49

Place Value

100

What place value is the 7 in?

5623.23711

Thousandths

200

What is the place value of 3?

3.674

Ones/Wholes

300

What is the value of 7?

35.447

Thousandths

400

What is the value of 9?

 112.1579

Ten Thousandths

500

What place value does Money stop on?

Hundredths

600

Which place value is the 0 in?

566.68790

hundred-thousandths

Rounding

100

Round to the nearest whole number.

54.56

55

200

Round to the nearest tenth.

671.2461

671.2

300

Round the hundredths

5.031

5.03

400

Round to the tens

 27.35

30

500

Round to the thousandths 

0.0042

0.004

600

Round to the ones

5.5555

6