Unit 1: Number Sense Flashcards by Brooke Burns | Brainscape

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

A

25

Q

6 squared

A

36

Q

7 squared

A

49

Q

8 squared

A

64

Q

9 squared

A

81

Q

10 squared

A

100

Q

11 squared

A

121

Q

12 squared

A

144

Q

13 squared

A

169

Q

14 squared

A

196

Q

15 squared

A

225

Q

16 squared

A

256

Q

17 squared

A

289

Q

18 squared

A

324

Q

19 squared

A

361

Q

20 squared

A

400

Q

1 cubed

A

1

Q

2 cubed

A

8

Q

3 cubed

A

27

Q

4 cubed

A

64

Q

5 cubed

A

125

Q

distributive property

A

pass out a number

Q

additive inverse property

A

add the opposite and always get zero

Q

identity of addition property

A

add 0 to anything and get the original number

Q

identity of multiplication property

A

multiply a number by one and always get the original number

Q

multiplicative inverse property

A

multiply by the reciprocal and always get one

Q

communitive property

A

order changes

Q

associative property

A

move the parentheses

Q

zero property

A

multiply by zero and always get zero

Q

reflexive property

A

see the same thing

Q

transitive property

A

transfer the information

Q

symmetric property

A

split and fold so the parts match up