Flashcards

Question 0

Identity property

Answer 0

a + 0 = a

a x 1 = a

Question 1

Roman numerals

Answer 1

I = 1 L = 50
V = 5 C = 100
X = 10 D = 500
M = 1,000

Question 2

Commutative property

Answer 2

a + b = b + a

a x b = b x a

Question 3

Rules for writing and saying numbers with words

Answer 3

Don’t say “and” unless you mean the decimal point.
Commas go exactly where they do when you write digits.
All hyphenated numbers are between 21 and 99.

Question 4

Digits

Answer 4

0 1 2 3 4 5 6 7 8 9

Question 5

What is the place value system?

Answer 5

The position (place) of a number determines its value.

Question 6

Counting numbers

Answer 6

123456…

Question 7

Whole numbers

Answer 7

0123456…

Question 8

Parts of an addition problem

Answer 8

Addend, addend, sum

Question 9

Parts of a subtraction problem

Answer 9

Minuend, subtrahend, difference

Question 10

Parts of a multiplication problem

Answer 10

Multiplicand, multiplyer, product

Or

Factor, factor, product

Question 11

Parts of a division problem

Answer 11

Dividend, divisor, quotient

Question 12

Sample

Answer 12

The people asked survey questions.

Question 13

Population

Answer 13

The group that the sample comes from.

Question 14

Associative law

Answer 14

(a + b) + c = a + (b + c)

a x b) x c = a x (b x c

Question 15

Obtuse, right, acute angles

Answer 15

Obtuse- greater than 90 degrees

Right- angle measuring 90 degrees

Acute- less than 90 degrees

Question 16

Triangle types: scalene, isosceles, equilateral

Answer 16

Scalene- triangle with 3 sides of different lengths

Isosceles- triangle with 2 sides the same length

Equilateral- triangle with 3 sides the same length

Question 17

Triangle types: acute, right, obtuse

Answer 17

Acute triangle- all angles are acute

Right triangle- one angle is a right angle

Obtuse triangle- one angle is obtuse

Question 18

Polygon

Answer 18

A shape with straight sides that is closed

Question 19

Polygons

Answer 19

Triangle-             3 sides
Quadrilateral-     4 
Pentagon-           5
Hexagon-            6
Octagon-             8

Question 20

Area of a rectangle

Answer 20

Area of a rectangle equals length times width

Question 21

Parts of a fraction

Answer 21

Numerator, denominator

Question 22

Dividing by 1

Answer 22

Any number divided by 1 is itself.

Question 23

Dividing by itself

Answer 23

Any number divided by itself equals 1

Question 24

Dividing 0

Answer 24

0 divided by any number equals 0

Question 25

Diving by 0

Answer 25

YOU CAN’T DO IT!!!!!!!