Unit 2 Cumulative Test

Place Value, GCF, LCM

100

How would you write this number in words?

2,143,687,921

two billion, one hundred forty three million, six hundred eighty seven thousand, nine hundred twenty one

200

Round to the nearest thousand:

5,347,699

5,348,000

300

Show the prime factors of 175 using exponents.

(*Hint: factor out the number using a factor tree)

5² X 7

400

What is the GCF (Greatest Common Factor) of 54 and 72

18

500

Find the LCM (Least Common Multiple) of 12 and 18.

36

Order of Operations & Distributive Property

100

Re-write (7x3) + (7x6) using the Distributive Property.

7 x (3 + 6)

200

Re-write 2 x (9 - 5) using the Distributive Property.

(2x9) - (2x5)

300

Solve using PEMDAS:

36 / 12 x 6 + 4

22

400

Solve using PEMDAS:

(3+4) x 3 + 2 x 4

29

500

Which best explains the expression (12 x 4) - 9

A)  9 minus the sum of 12 and 4

B)  the quotient of 4 and 12 minus 9

C)  9 less than the product of 12 and 4

C) 9 less than the product of 12 and 4

Exponents and Multiply/Divide by powers of 10

100

Solve:

____________ x 60 = 24,000

400

200

Solve:  72,000 divided by 120 

(HINT: remember you're dividing, do you add or take away zeros?)

600

300

Which expression shows 8⁵?

A) 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 

B) 8 x 8 x 8 x 8 x 8

C) 8 x 5

B)  8 x 8 x 8 x 8 x 8

400

Solve:    4² x 2 x 3² 

(HINT:  write it out completely and then solve)

288

500

Solve:  20 x 10³

(HINT:  how can we re-write 10³)

20,000

Multiply & Divide

100

Multiply:

34 x 26

884

200

Divide:

310 divided by 15

20 r. 10

300

Multiply: 

176 x 22

3,872

400

Divide:

1,191 Divided by 54

22 r. 3

500

Estimate, then divide: (HINT: use friendly numbers)

35,678 divided by 42 

Estimation:  36,000 divided by 40

Answer:  900

Word Problems

100

Given this set (1,3), (2,4), (3,5), (4,6)...what will the next set be?

(HINT:  what is the pattern?)

(5,7)

200

Jeff had 36 Skittles to share with 2 friends.  How many Skittles does each person get?

(HINT: Jeff gets Skittles, as well as 2 of his friends, so how many people are getting Skittles altogether?)

To solve:  36 divided by 3 people

Answers: 12 Skittles each

300

Martha has 325 baskets, and each basket has 16 oranges inside.  How many oranges does Martha have altogether? 

5,200

400

Donnie has 76 stickers.  He gave 16 to Mike, and 12 to Ben.  How many stickers did Donnie have left? 

48 Stickers

500

Julie has 36 oatmeal cookies.  She eats 6 and gives Stacy 4.  Which expression will show how many oatmeal cookies Julie has left? 

A) 36 + (6 - 4)                 B) 36 - (6 + 4)

C)  (36- 6) + 4                 D) (6 + 4) - 36

B)  36 - (6 + 4)