adding and subtracting Integers
-15 + -8 =
-23
-10 times -10 =
100
Solve
90 =
1
and Joao can tell us why!!!!!
Is the number 43 prime?
Why
yes
It only has 2 factors, 1 and 43
If the temperature drops 10 degrees each day for a week, how what is the change in temperature?
-70
Mrs. Drake eats Reese's every two days and gummy nerds every 6 days. If she had both today, in how many days will she have both again?
6 days
- 6 - 9 =
-15
100 (-12) =
-1200
Solve
23 + 32 =
17
Is the number 89 prime or composite?
prime
Oscarie is playing a board game with friends. She starts her token at space 5. Her next turn she gains 6 spaces. After a bad luck roll, she must go back 9 spaces. On her last turn she rolls a double 6 and moves ahead 12 spaces. Where did Oscarie land?
14
Mrs. Drake is dividing beads to make bracelets. She has 75 black beads and 125 purple beads. If Mrs. Drake wants the same number of black and purple beads in each bracelet with no left overs, how many bracelets can she make?
25 bracelets
-23 - (-40) =
17
27
What is the exponential form of 8 x 8 x 8 x 8
84
What is the Prime Factorization of 50 using exponents?
2 x 52
Mrs. Drake says that the prime factorization of 1800 is
23 x 32 x 52 x 1 Evan thinks it is 23 x 32 x 52 . Who is correct? Why?
Evan is correct because 1 not a prime number.
Mathew made brownies for all of his friends. If Matthew made 4 pans of brownies and each pan holds 16 brownies, how many brownies did he make.
If Matthew kept 1/8 of the brownies for his family, how many did he keep?
Matthew made 64 brownies
Matthew kept 8 brownies
-23 - l-10l + (-30) =
-63
Find the quotient of 9x9x9 and -9x9.
-9
What is the exponential form of the following:
3 x 3 x 4 x 5 x 5 x 3 x 6 x 6 x 4
33 x 42 x 52 x 62
What is the prime factorization of 168 using exponents?
23 x 3 x 7
If the temperature in a water bottle is raising by .5 degrees an hour, how many hours will it take for the water bottle to warm by 30 degrees?
60 hours
Kayren is learning to scuba dive. Before getting in the water, she is 6 feet above sea level. After getting in the water, Kayren dives to a depth of 29.25 feet. She sees a baby octopus 4 feet below her. Which of the following statements are true?
A. Kayren's depth can be expressed as 29.25 in relation to sea level.
B. The octopus's depth can be expressed as 33.25 feet below sea level.
C. Kayren's location before diving can be expressed as -6 feet above sea level.
D. Kayren's change in altitude can be written as -29.25 feet.
A and B only
l-9l - l-5l + (-6) - (-7) =
5
l-25l x (-5) divided by (-10)
12.5
l-33l x l33l x (20) x (-9)2
59,049
What is the prime factorization of 3240 using exponential form?
23 x 34 x 5
Which water bottle will warm 10 degrees the fastest?
Bottle A: warming 2 degrees every hour
Bottle B: warming .5 degrees every 15 minutes?
The are warming at the same rate.
Emily fills her cup with 2/3 cup oatmeal, 1/6 cup chopped apples, and the rest with granola. If her cups holds 1 1/3 cups total, how much of it is granola?
1/2 cup