Semester Review!

Fractions/Decimals/Percents

100

1/8 + 3/8 =

1/2

-----------------

1/8 + 3/8 = 4/8 = 1/2

200

Convert 0.4 into a fraction

2/5

------------------------

4/10 = 2/5

300

Convert 3% into a decimal

.03

400

2/3 + 1/5 =

13/15

--------------

10/15 + 3/15 = 13/15

500

Convert 3/4 into a percent

75%

---------------------

3/4 = .75 = 75%

PEMDAS and Rounding

100

12 - 3 x 3 - 1 =

4

--------------------

12 - 9 + 1

3 + 1

4

200

Round 341 to the nearest HUNDRED

300

300

Round 0.1277 to the nearest THOUSANDTH

0.128

400

24 + 6 ÷ 3 x 5 x 2^3 - 9

95

500

Round 113.512 to the nearest WHOLE number

114

Significant Figures and Scientific Notation

100

How many SF does 429 have?

3

200

How many SF does 4,005 have?

4

300

Put 367 into scientific notation

3.67 x 10^2

400

How many SF does 0.00900 have?

3

500

put 0.000189 into scientific notation

1.89 x 10^-4

Ratios and Proportions

100

convert this ratio to a fraction 3:4

3/4

200

Simplify  6:14

3:7

300

If there are 18 cats and 9 dogs what is the ratio of DOGS to CATS?

1:2

400

If it takes 2 people 2 hours to clean, but it takes 1 person 4 hours to clean. Are the NUMBER OF PEOPLE and the NUMBER OF HOURS Directly Proportional or Inversely Proportional?

INVERSELY

500

$20 needs to be split between 2 people in a 1:4 ratio. How much money does the first person get?

$4

Measurement (units, 2D shapes, 3D shapes)

100

Convert 3 m into cm

(1 m = 100 cm)

300 cm

200

Convert 33,000 mg into g

(1 g = 1,000 mg)

33 g

300

Find the Perimeter of a rectangle with length 12 cm and width 4 cm

32 cm

--------------

12 + 12 + 4 + 4

400

How do you find the Area of a circle?

pi r^2

500

What is the difference between Surface Area and Volume?

SA -The area of an object's surface

(square units)

Volume - the amount of space an object takes up (cubed units)