1.1 Describing Patterns

1.2 Variables and Expressions

1.3 Powers and Exponents

1.4 Order of Operations

1.5 Equations and Mental Math

100

Describe the pattern. Then write the next three

1, 5, 25, 125,...

Multiply the previous number by 5: 625, 3125, 15,625

100

Copy and complete: A ____ is a letter used to represent one or more numbers.

variable

100

Write the product as a power

3X3X3X3X3

3^{5}

100

6+7X4

6+7X4

6+28

34

100

Tell whether the given value of the variable is a solution of the equation

16+Y=22, when Y=8

No

16+8=24

200

Describe the pattern. Then write the next three numbers.

100, 91, 82, 73,...

subtract 9 from the previous

64, 55,46

200

X+14 when X=8

(8)+14= 22

200

Write the product as a power

K x K x K x K

k^{4}

200

(1+6)(5-2)^{2}

(1+6)(5-2)^{2}

(7)(9)

63

200

Tell whether the given value of the variable is a solution of the equation

9=z-12, when z=20

No

8=20-12

300

Describe the pattern. Then write the next three numbers

2, 3, 6, 11, 18,...

add 1, then add 3, then add 5, then add 7, and so on: 27, 38, 51

300

6/S when S=3

6/(3)= 2

300

Write the number as a power

49

7^{2}

300

9/3X3^{4}

9/3X3^{4}

9/3X81

3x81

243

300

solve the equation using mental math

10X=120

10(12)=120

X=12

400

Consider the patterns 12, 21, 30, 39,.... Will the 15th number have a value that is less then 100? less then 200? Explain

you are adding 9 each time. by the 15th number you added 9 fourteen times, and 14X9=126. The 15th number is 12+126=138, which is greater than 100 and less then 200.

400

mx when m=13 and x=3

(13)(3)= 39

400

Write the number as a power

625

5^{4 or }25^{2}

400

16/(3^{2}-1)

16/(3^{2}-1)

16/(9-1)

16/(8)

2

400

Solve the equation using mental math

20-b=3

20-(17)=3

b=17

500

Each pattern below uses the same rule. Find the rule.

2,11,38,119... 3,14,47,146... 4,17,56,173...

Multiply the previous number by 3, then add 5

500

Copy and complete the statement using <,>, or = when x=7 and y=15

3x ___ Y+6

3(7) = (15)+6

21 = 21

500

copy and complete the statement using <,>, or =

3^{5} ____ 5^{3}

>

500

Copy and complete the statement by placing parentheses to make the statement true.

20-3^{2}X2+8=30

(20-3^{2})X2+8=30

500

Solve the Equation using mental math

4-2a=0

4-2(2)=0

4-(4)=0

a=2