Math Exam 1st Flashcards Preview

7 and 8 1st Sem Exams > Math Exam 1st > Flashcards

Flashcards in Math Exam 1st Deck (32):
0

3/5 + -5/10

-30/25

1

Similar shapes have to have...

Same basic shape
Same angle measures
Proportional side lengths

2

Additive inverse of a number

A+-A=0

3

Numerator

Top number of the fraction

4

Associative property of addition

(A+B)+C= A+(b+c)

5

Associative property of multiplication

(Axb)xc=ax(bxc)

6

Commutative property of addition

A+b=b+a

7

Comm of mult

Axb=bxa

8

Difference

The result of dividing one number by another

9

Distributive property

Ax(b+c)=axb +axc

10

Equation

A mathematical statement that two expressions are equal

11

Equivalent

Equal

12

Expression

The part of a number sentence that combines numbers and operations but doesn't have an equal sign

13

Factor

A whole number that divides ant other whole number equally

14

Greatest common factor

The largest factor two numbers have in common

15

Identity property of addition

A sum of any number and zero is the original number
A+0=a

16

Identity property of multiplication

A*1=A

17

Integer

A whole number, it's opposite and zero

18

Inverse operation

Operations that undo each other such as addition and subtraction

19

Least common multiple

The smallest common multiple of two numbers

20

Multiplicative inverse of a number

1_=1

21

Product

Multiplying two numbers

22

Proportions

Two ratios that are equal

23

Unit rate

Cost per unit of measure

24

9/5 +3 1/4 - 5/8

Do some problems like this one

25

0.12 as a fraction

3/25

26

1.8 as a fraction

1 4/5

27

11/50 as a percent

22%

28

19/25 as a percent

76%

29

.42 as a percent

42%

30

76% as a fraction in lowest terms

19/25

31

What happens when you multiply by a negetive number?

Flip the sign