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

Math Exam 1st Flashcards

0
Q

Similar shapes have to have…

A

Same basic shape
Same angle measures
Proportional side lengths

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1
Q

3/5 + -5/10

A

-30/25

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2
Q

Additive inverse of a number

A

A+-A=0

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3
Q

Numerator

A

Top number of the fraction

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4
Q

Associative property of addition

A

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

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5
Q

Associative property of multiplication

A

(Axb)xc=ax(bxc)

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6
Q

Commutative property of addition

A

A+b=b+a

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7
Q

Comm of mult

A

Axb=bxa

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8
Q

Difference

A

The result of dividing one number by another

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9
Q

Distributive property

A

Ax(b+c)=axb +axc

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10
Q

Equation

A

A mathematical statement that two expressions are equal

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11
Q

Equivalent

A

Equal

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12
Q

Expression

A

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

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13
Q

Factor

A

A whole number that divides ant other whole number equally

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14
Q

Greatest common factor

A

The largest factor two numbers have in common

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15
Q

Identity property of addition

A

A sum of any number and zero is the original number

A+0=a

16
Q

Identity property of multiplication

A

A*1=A

17
Q

Integer

A

A whole number, it’s opposite and zero

18
Q

Inverse operation

A

Operations that undo each other such as addition and subtraction

19
Q

Least common multiple

A

The smallest common multiple of two numbers

20
Q

Multiplicative inverse of a number

A

1_=1

21
Q

Product

A

Multiplying two numbers

22
Q

Proportions

A

Two ratios that are equal

23
Q

Unit rate

A

Cost per unit of measure

24
Q

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

A

Do some problems like this one

25
Q

0.12 as a fraction

A

3/25

26
Q

1.8 as a fraction

A

1 4/5

27
Q

11/50 as a percent

A

22%

28
Q

19/25 as a percent

A

76%

29
Q

.42 as a percent

A

42%

30
Q

76% as a fraction in lowest terms

A

19/25

31
Q

What happens when you multiply by a negetive number?

A

Flip the sign

7 and 8 1st Sem Exams (14 decks)

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