Place Value, GCF, LCM
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
7 x (3 + 6)
Solve:
____________ x 60 = 24,000
400
Multiply:
34 x 26
884
Given this set (1,3), (2,4), (3,5), (4,6)...what will the next set be?
(HINT: what is the pattern?)
(5,7)
Round to the nearest thousand:
5,347,699
5,348,000
Re-write 2 x (9 - 5) using the Distributive Property.
(2x9) - (2x5)
Solve: 72,000 divided by 120
(HINT: remember you're dividing, do you add or take away zeros?)
600
Divide:
310 divided by 15
20 r. 10
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
Show the prime factors of 175 using exponents.
(*Hint: factor out the number using a factor tree)
52 X 7
Solve using PEMDAS:
36 / 12 x 6 + 4
22
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
Multiply:
176 x 22
3,872
Martha has 325 baskets, and each basket has 16 oranges inside. How many oranges does Martha have altogether?
5,200
What is the GCF (Greatest Common Factor) of 54 and 72
18
Solve using PEMDAS:
(3+4) x 3 + 2 x 4
29
Solve: 42 x 2 x 32
(HINT: write it out completely and then solve)
288
Divide:
1,191 Divided by 54
22 r. 3
Donnie has 76 stickers. He gave 16 to Mike, and 12 to Ben. How many stickers did Donnie have left?
48 Stickers
Find the LCM (Least Common Multiple) of 12 and 18.
36
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
Solve: 20 x 103
(HINT: how can we re-write 103)
20,000
Estimate, then divide: (HINT: use friendly numbers)
35,678 divided by 42
Estimation: 36,000 divided by 40
Answer: 900
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)