Unit 1
-7 - (-12)
5
7x + 9x + x
17x
James runs a mile in 1/4 of an hour. What is his hourly rate?
4 miles per hour
What do complementary angles have a sum of?
90 degrees
If I roll a dice how could I describe (with words) the chance of landing on an odd number?
Equally likely
-8.5 + (-4.5) - (-13)
0
11(3x - 4)
33x - 44
A deer walks 1/2 of a mile in 1/8 of an hour. What is the deer's speed?
4 miles per hour
Two angles are complementary. The first angle is 46 degrees. What must be the measure of the second angle?
44 degrees
If I spin a spinner with four equal sections labelled 1 -4, what is the probability of landing on a number less than 4? Say your answer as a percentage.
75%
27.3 feet
-9(6 - 4x)
-54 + 36x
36x - 54
James eats 10 Takis in 5 minutes.
Kim eats 5 Takis in 10 minutes.
Oliver eats 18 Takis in 9 minutes.
Lily eats 1 Taki in 3 minutes.
Which two people eat Takis at the same rate?
James and Oliver
Two angles are vertical. The measure of the first angle is 42 degrees and the measure of the second angle is 6x. What is the value of x?
7
A bag of marbles has 4 blue, 4 red, and 2 yellow. If a marble is drawn and replaced for 100 trials, how many can be predicted to be yellow?
20 yellow
A hot air balloon rises 110.7 feet, descends 45.8 feet, and then goes up 14.3 feet. What is the final elevation of the hot air balloon?
79.2 feet
8(2x - 4) + 21
16x - 11
A sloth moves 12 feet in 3 hours. How many feet will the sloth move after 5 hours?
20 feet
Two angles are supplementary. The first angle is 72 degrees and the second angle is (9x + 27) degrees. What is the value of x?
9
A survey of students' favorite color says that 10 students said purple, 17 said red, 8 said green, and 15 said blue. If there are 425 students in the school, how many can be predicted to choose green as their favorite color?
68 will say green
Amelia has $14.89 in her bank account at the beginning of the week. She buys three Dr. Peppers for $2.10 each and a bag of chips for $2.27. At the end of the week, her sister pays her back $5. What is her final balance?
$11.32
A slug can crawl 2/7 of a mile in 4 hours. How far can the slug travel in 7 hours?
1/2 or 0.5 miles
14
A bag of marbles has 15 orange, 19 purple, 12 green, 9 blue, and 20 pink. If a marble is drawn and replaced 15 times, how many marbles will be predicted to be orange?
3 orange