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(U1, L1-L5) Review Flashcards | StudBud
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(U1, L1-L5) Review
(U1, L1-L5) Review
20 terms
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Leber
Flashcards
20 cards
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Practice quiz
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Host live
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Questions
20
Answers
1
A football team lost 20 yards, then gained 10 yards. What is their change in yardage?
-20 + 10 = -10; The team lost 10 yards .
-20 + -10= -30; The team lost 30 yards .
20 + 10 = 20; The team gained 30 yards .
20 + -10 = 10; The team gained 10 yards.
2
A kite falls 20 ft in the air, then rises 50 ft in the air. What is its new position?
-20 + 50= 30; the kite falls 30 ft in the air.
-20 + -50 = -70; the kite falls 70 ft in the air.
20 + 50= 70; the kite rises 70 ft in the air.
-20 + 50 = 30; the kite rises 30 ft in the air.
3
-10 · -5 = ______
-50
-2
2
50
4
A plane descends 200 ft in the air then ascends 100 ft. What is the planes change in elevation?
-200 + 100 = -200; The plane dropped -200 ft in the air.
200 + -100 = 100; The plan rose 100 ft in the air
-200 + -100 = -300; The plane dropped 300 ft in the air
-200 + 100 = -100; The plane dropped 100 ft in the air.
5
A lake's water level drops 2 ft per day. What is its change in water level after 3 days? (READ THE ANSWERS)
-2 · 3 = -6; The water drops -6 ft.
-2 · -3 = 6; The water rises 6 ft.
-2 · 3 = -6; The water drops 6 ft.
-2 · 3 = -6; The water rises 6 ft.
6
Add or Subtract the Integers
-11
11
17
35
7
-9 ÷ -3 = ______
27
-3
-27
3
8
Add the integers.
24
10
-10
-24
9
You can use this triangle to help you _____________________ integers.
Multiply
Subtract
Divide
Add
10
8 ÷ -2 = ______
-16
4
-4
16
11
Add the integers.
-5
7
5
-7
12
George has $1200 in the bank. He buys a $800 computer and $400 PS4. What is left?
1200 - 800 +400 = 800; George has 800 in the bank
1200 + 800 – 1200 = 800; George has a $800 in the bank
-1200 + 800 - 400 = -1600; George has a debt of $1600.
1200 - 800 - 400 = 0; George has $0.
13
Integer Operations.
- 9
15
- 15
9
14
A negative times a negative always equals a.....
It depends...
Negative
Positive
15
The rules for multiplying integers and dividing integers are...
different
the same
sometimes the same
16
11 · -4 = ______
44
7
22
-44
17
Dolphin A dove 40 ft below sea level; Dolphin B dove 5 times deeper. How deep is Dolphin B?
-40 x 5= -200; Dolphin B is -200 ft below sea level.
-40 x 5 =-200; Dolphin B is 200 ft below sea level.
-40 ÷ 5= -8; Dolphin B is 8 ft below sea level.
-40 x -5= 200; Dolphin B is 200 ft below sea level.
18
A negative times a positive is always a........
Negative
Positive
It depends
19
Hikers descend a mountain at a speed of 20 miles per hour. How long until they descend 140 mi?
-140 ÷ -20 = 7; It will take 7 hours to descend 140 miles.
-140 ÷ 20 = -7; It will take -7 hours to descend 140 miles.
140 - 20 = 120; It will take 120 hours to descend 140 miles.
140 ÷ 20 = 7; It will take 7 hours to descend 140 miles.
20
A new car decreases $200 in value each year. How many years until its value decreases by $600?
600 ÷ -200 = -3; It will take -3 years.
-600 ÷ -200 = 3; It will take 3 years.
-600 ÷ 200 = -3; It will take -3 years.
600 ÷ 200= 3, It will take 3 years.
