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SCIENCE > Math > Flashcards

Math Flashcards

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1
Q

What are integers ? 1/2, -2,0,4,3,2

A

Integers are negative and positive numbers. counting numbers- think of number line

→ -5,-4,-3,-2,-1,0,12,3,4,5

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2
Q

What is rational numbers,

51816,4,pie,square root of 4, square root of 7

A

Any number that can be written as a fraction or ratio

0.3 which equals 1/3

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3
Q

Whole numbers are

A

O ,1,2,3,4,5 …………

Non-negative counting numbers

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4
Q

Natural numbers. Aka counting numbers

A

Same as whole number except without. “0”
1,2,3,4,5…………………

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5
Q

List prime numbers between 30 and 40

A

Prime numbers are natural numbers that have only two fractions.

31,37,

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6
Q

Rational numbers

A
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7
Q

Irrational numbers

A
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8
Q

Composite Numbers are?

A
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9
Q

Composite numbers between 17 and 29

A
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10
Q

What are positive perfect squares?

A
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11
Q

List the first 4 positive perfect square

A
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12
Q

What are perfect cubes?

A
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13
Q

List the first four positive perfect squares.

A
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14
Q

Find the GREATEST common FACTOR for 36 and 48.

A
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15
Q

Formula for a cube ?

A
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16
Q

Find circumference of a square

A
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17
Q

Find the GREATEST common MULTIPLE for 36 and 48

A
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18
Q

Draw perpendicular sign

A
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19
Q

Draw parallel sign

A
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20
Q

Draw approximately equal to symbol

A
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21
Q

Cube numbers

A
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22
Q

how many yards in 1 mile?

A

1,760

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23
Q

How many feet are in 1 mile?

A

5,280

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24
Q

1 square foot is how many inches?

A

144 square inches

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25
Q

9 square feet is how many square yards?

A

1

26
Q

One ton is hoe many pounds?

A

2,000

27
Q

One pound is how many ounces

A

16 ounces

28
Q

How many cups in a pint

A

2 cups

29
Q

How many pints is a quart

A

2 pints

30
Q

Four quarts

A

1 gallon

31
Q

4 pecks

A

1 bushel

32
Q

52 weeks

A

1 year

33
Q

10 years is how many decades

A

1 decade

34
Q

Deca means

A

Ten

35
Q

12 1/2 % to a fraction in lowest terms.

A

(1). 12.5 /100
(2) simplify. 12.5 / 12.5 = 1
(3) 12.5 / 100 = 8

Answer =. 1/8

36
Q

Mode

A

The number that comes up most often

37
Q

Mean

A

The average

Add all numbers and divide it by the number of numbers

15+15+9= 39

39/ 3= 13
The answer is 13

38
Q

Median

A

Find the middle number or if there are two middle numbers then divide the two numbers.

To do so make sure to put all the numbers in order first

1,2,6,4,6,3,6,1,16
To

1,1,2,3,4,6,6,6,16

The median is 4

39
Q

Range

A

Divide the first number from the last number , don’t have to put them in order

40
Q

Between what two integers on a number line will you find square root of 45?

A

The square root is 6.70

So between 6 and 7 on the number line

41
Q

Simplify the radical expression square root 45

A
42
Q

How many centimeters are there in 2 meters

A
43
Q

How many centimeters in one inch?

A

2.54

44
Q

How many inches are in one meter?

A

39 inches in meters

A meter is 3 inches over a yard (36 inches)

45
Q

How many kilograms are in 30,000 grams?

A

Kilo means = 1,000
Grams = 1 unit

Divide 30,000 by 1000= 30

46
Q

3 liters =_________deciliters

A

Deci means 1/10
Liters = 33.814 ounce
1 quart is =32 ounces

1 liter = 10 deciliters

47
Q

Deci
Centi
Milli

A

Deci=1/10
Centi= 1/100
Milli= 1/1000

48
Q

12 ounces is what part of a pound

A

16 ounces in 1 pound

12/16 = 3/4

49
Q

54 inches is how many yards

A

36 inches in a yard

54/36= 9/6=3/2 or 1.5( if your divide 3/2)

50
Q

100 years is how may centuries

A

1 century

51
Q

Deca
Hecto
Kilo

A

Deca=10
Hecto=100
Kilo=1000

52
Q

A kilo gram is how many grams?

A

1000 grams

Kilo=1000

53
Q

A hectogram is how many grams?

A

100 hectograms

Hecto =100

54
Q

Deci
Centi
Milli

A

Deci= 0.1
Centi= .01
Milli= .001

55
Q

1000 kilograms is how many metric tons

A

1 metric ton

56
Q

Quotient means

A

Ratios

57
Q

Associative Property

A

Is only with addition and multiplication

58
Q

Distributive property

A
59
Q

Identity number for addition is 0

Identity number for multiplication is 1

A

Any number plus 0 is 0
Any number plus 1=1

60
Q

What is additive inverse?

A
61
Q

Factor means?

A
62
Q

What are multiples of numbers? 24 and 36

A

Multiples are the number multiples by natural numbers

24*1= 24
24x2= 48
24x3=72

24, 48, 72 are multiples of 24

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