Unit 2: Real Numbers and Algebraic Expressions

Combine Like Terms

100

Combine like terms:

3x+4-10x+1

-7x+5

200

Combine like terms:

-5x+10-10x+2

-15x+12

300

Combine like terms:

6+6x-6 -19y

6x-19y or -19y + 6x

400

Combine like terms:

-12x + 4x + 5 - 7 + 9x

1x-2 or x-2

500

Combine like terms:

45x +100 -45x + 23x -75 + 4y

25 + 4y + 23x 

Simplify the expression

100

Simplify the expression 

6(3 + 1b) 

18 + 6b

200

Simplify the expression

3 + 1s + 5

8 + 1s or 1s + 8

300

Simplify the expression

5(6m)

30m

400

Simplify the expression

8 + 1n + 1

9 + 1n or 1n + 9

500

Simplify the expression

8(4n) + 2(12y)

32n + 24y

Distribute

100

What is the expression simplified using the distributive property....

3(7+1m)

21 + 3m

200

What is the expression simplified using the distributive property....

5(1s -4)

5s - 20

300

What is the expression simplified using the distributive property....

7(2d - 4)

14d - 28

400

What is the expression simplified using the distributive property....

6(3a + 4)

18a + 24

500

What is the expression simplified using the distributive property....

6(8 + 1c + 1a)

48+ 6c + 6a

Combine Like Terms and Use Distributive Property

100

Simplify and combine like terms:

6 + 3(8 - 1g)

30 - 3g

200

Simplify and combine like terms:

5(7 + 1n) - 12

23 + 5n

300

Simplify and combine like terms:

6(z + 5) + 9

6z + 39

400

Simplify and combine like terms:

3(4w + 5) -5 + 27

12w + 22

500

Simplify and combine like terms:

3w + w + 2w

6w

Classifying Numbers

100

A rational number can be written as a _______________ of integers

fraction

200

Integers and whole numbers have _____________ past the decimal point

nothing

300

Name five integers

five numbers, positive or negative, with nothing past the decimal point

400

Is 0 a whole number?

Yes

500

Name three irrational numbers

Accept any three numbers with a non-terminating, non-repeating decimal

Ordering Numbers

100

Which is the greater number?

5.2 or 5.15

5.2

200

Which is the greater number?

5.25 or 

5.bar25

5.bar25

300

Which number is greater?

-10 or -30

-10

400

Put the following numbers in order:

abs(-5), 4.9, 26/5, 5 1/10

4.9, abs(-5), 5 1/10, 26/5

500

Put the following numbers in order: 

-3, -10/3, -3.25, -3 2/5

-3 2/5, -10/3, -3.25, -3

Rational & Integer Operations

100

-4 + (-5)

-9

200

2/9 div-7/5

-10/63

300

4 2/3 + -5

-1/3

400

sqrt(45/5)

3

500

abs(3/5+(-5/6)

7/30

Name that Property

100

xy=yx

Commutative Property of Multiplication

200

a(bc)=(ab)c

Associative Property of Multiplication

300

5(2x+6)=10x+30

Distributive Property

400

(3+z)+5r = 3+(z+5r)

Associative Property of Addition

500

(2+y)+w = w+(2+y)

TRICKY TRICKY

Commutative Property of Addition

(notice the grouping did not change)