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4/22 Office Hours Flashcards | StudBud
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4/22 Office Hours
4/22 Office Hours
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Questions
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Answers
1
Kelsey has 67 old copies of books. She traded in several. If she has 23 copies left, which equation can you use?
23 X m = 67
67 + m = 23
67 - m = 23
67 / m = 23
2
Which equation matches the word problem?
22x + 3 = 1
3x − 1 = 22
3x + 1 = 22
22x − 3 = 1
3
Which equation matches the word problem?
4x + 5 = 49
5x + 4 = 49
5x − 4 = 49
4x − 5 = 49
4
Suppose that the water level of a river is 34 ft and it is receding at a rate of 0.5 ft per day. Equation?
d = L -0.5
d = 34 -d - 0.5
L= 34 - 0.5d
L = 0.5d + 34
5
Sam was earning $6.35 per hour in her old job. She changed jobs, and got a raise to $8.78 per hour. Which equation?
6.35 + r = 8.78
r / 6.35 = 8.78
8.78 + r = 6.35
6.35 X r = 8.78
6
What is the math lesson about this week?
Writing Equations From Word Problems
Solving Percent Problems
Putting Numbers into a Calculator
Solving Equations From Word Problems
7
What is mass?
The amount of matter in an object
The measure of gravity on an object
The amount of space an object takes up
None of the above
8
Density is determined by the mass-volume ratio
False
True
9
What does density tell about an object?
How much space an object takes up
How light an object is
How the length affects the width
How closely packed the particles are in an object
10
whats density
chicken
oink
disnsity is a good thing
Density is a measurement that compares the amount of matter an object
11
Dan has 3 times as many paper clips as Matt. Dan has 168 paper clips. Which equation can be used to find the number Matt
m / 3 = 168
3 X m = 168
168 - m - 3
m + 3 = 168
12
What is Density?
matter in a substance
what is up fellow kids?
Compactness of a substance
space a substance occupies
13
What is the mass?
142
202g
408
142g
14
There are 25 M&Ms in each bag. There are 40 bags in a machine. Write an equation you can use to find the number of M&Ms?
40 X m = 25
m / 25 = 40
40 - m = 25
40 / m = 25
15
How do you find density
?
Math
M/v
16
what's density?
the balance between volume and mass
density is density: that's it
volume and mass
17
For babysitting, Nicole changes a flat fee of $3 plus $5 per hour. Write an equation for the cost after h hours.
h = 5C +3
h + 3= C - 5
C = 5 + h + 3
C = 5h + 3
18
What is the volume?
30.7mL
30.2mL
30.4mL
30.6mL
19
What is the volume?
120 cm2
148 cm2
148 cm3
120 cm3
20
What is the mass?
254.5
545.2g
456.1g
545.2
21
Travis reads 20 pages in his book each hour. He reads for 6 hours. Which equation can you use to find how many pages?
20 X p = 6
p - 6 = 20
p + 6 = 20
p / 20 = 6
22
What is the science lesson about this week?
Observing Data and Trends
CER
Analyzing Data
Measuring Matter
23
Amy scored 21 points in a basketball game. Amy scored 7 more points than Kat. Which equation can you use for Kat's score
21 / 7 = d
d - 7 = 21
7 + d = 21
7 X d = 21
24
Kayla pays her plumber $22 per hour to replace her drainpipe. She ends up paying him $99. Which equation can you use?
22 + h = 99
22 X h = 99
22/h = 99
22 - h = 99
25
Which equation matches the word problem?
3x − 6 = 57
3x + 6 = 57
6x − 3 = 57
6x + 3 = 57
26
Find the volume.
28
36
14
18
27
What is the volume?
41mL
30.7L
31mL
30.3mL
28
Which equation matches the word problem?
2x + 5 = 23
2x − 5 = 23
5x − 2 = 23
5x + 2 = 23
29
Mass can be weighed in....
miles and kilometers
grams and kilograms
ounces and pounds
meters and centimeters
30
Mass is..
the amount of space that a substance or object occupies
the degree of compactness of a substance
the quantity of matter which a object contains
the material structure of an individual life form
31
Which equation matches the word problem?
4x − 9 = 51
9x + 4 = 51
9x − 4 = 51
4x + 9 = 51
32
Bob set a record high score. Later, Bill beat that record by 1,100 points. Bill's new record was 1,050,200. Find Bob's.
w + 1,100 = 1,050,200
w - 1,100 = 1,050,200
1,050,200 + w = 1,100
3 X w = 1,100
33
What is the best tool for measuring mass?
balance
spring scale
ruler
beaker
