Unit 1: Number Sense Flashcards by Brooke Burns

Q

algebraic expression

A

an expression made of numbers, operations, variables,

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Q

absolute value

A

a number’s distance from 0

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Q

coefficient

A

the number in front of a variable

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Q

constant

A

a number that stays the same

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Q

evaluate

A

plugging a number into an expression then solving

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Q

integers

A

positive and negative whole numbers

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Q

like terms

A

same letter raised to the same power

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Q

order of operations

A

the order in which you solve an equation: PEMDAS

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Q

simplify

A

when you make the expression smaller and easier to solve

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Q

substitute

A

to change a variable to a number

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Q

term

A

parts joined together by addition

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Q

variables

A

a letter that takes the place of a number

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Q

irrational numbers

A

numbers that never end and never repeat

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Q

rational numbers

A

numbers that can be written as fractions

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Q

integers

A

positive and negative whole numbers

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Q

whole numbers

A

0, 1, 2…

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Q

natural numbers

A

1,2,3…

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Q

1 squared

A

1

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Q

2 squared

A

4

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Q

3 squared

A

9

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Q

4 squared

A

16

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Q

5 squared

Study These Flashcards

A

25

Q

6 squared

Study These Flashcards

A

36

Q

7 squared

Study These Flashcards

A

49

8 squared

64

9 squared

81

10 squared

100

11 squared

121

12 squared

144

13 squared

169

14 squared

196

15 squared

225

16 squared

256

17 squared

289

18 squared

324

19 squared

361

20 squared

400

1 cubed

1

2 cubed

8

3 cubed

27

4 cubed

64

5 cubed

125

distributive property

pass out a number

additive inverse property

add the opposite and always get zero

identity of addition property

add 0 to anything and get the original number

identity of multiplication property

multiply a number by one and always get the original number

multiplicative inverse property

multiply by the reciprocal and always get one

communitive property

order changes

associative property

move the parentheses

zero property

multiply by zero and always get zero

reflexive property

see the same thing

transitive property

transfer the information

symmetric property

split and fold so the parts match up