Embed Size (px)
Citation preview
NAME DATE PERIOD
Open Up Resources (openupresources.org) 1
Unit 5: End-of-Unit Assessment Do not use a calculator.
1. Select all the true statements.
A. 2.3 + (−2.3) is equal to zero.
B. (−3.7) + (−4.1) is positive.
C. −2.6 − (−124
) is positive.
D. 52
+ (−2.5) is negative.
E. 72 − (−100) is negative.
2. A heron is perched in a tree 50 feet above sea level. Directly below the heron, a pelican is flying 17 feet above sea level. Directly below the birds is a trout, swimming 23 feet below sea level.
Select all the true statements.
A. The difference in height between the pelican and the heron is -33 feet. B. The difference in height between the pelican and the heron is 33 feet. C. The distance between the heights of the pelican and heron is -33 feet. D. The difference in height between the pelican and the trout is -40 feet. E. The difference in height between the pelican and the trout is 40 feet. F. The distance between the heights of the pelican and the trout is 40 feet.
3. Let 𝑥𝑥 = −11
8 and 𝑦𝑦 = −11
4.
Which expression has a negative value?
A. 𝑥𝑥 + 𝑦𝑦 B. 𝑥𝑥 − 𝑦𝑦 C. 𝑥𝑥 ⋅ 𝑦𝑦 D. 𝑥𝑥
𝑦𝑦
NAME DATE PERIOD
Open Up Resources (openupresources.org) 2
4. Calculate the value of each expression.
A. (−8) ⋅ 23 = ___________________
B. (−8) ⋅ (−2
3) = __________________
C. −18
3 = ____________________
D. 18
(−3) = ____________________
E. (−18)
(−3) = ___________________
5. Solve each equation.
A. 13𝑎𝑎 = −5
a = __________________
B. 12 − 𝑏𝑏 = 12.5 b = __________________
C. −0.1 = −10𝑐𝑐 c = __________________
NAME DATE PERIOD
Open Up Resources (openupresources.org) 3
6. The table shows transactions from five different bank accounts. Fill in the missing numbers.
old account balance transaction amount new account balance 352 -48 304 432 512 75 -100
52 12 -10 -30
7. Jada walks up to a tank of water that can hold up to 10 gallons. When it is active, a drain empties water from the tank at a constant rate. When Jada first sees the tank, it contains 7 gallons of water. Three minutes later, the tank contains 5 gallons of water.
A. At what rate is the amount of water in the tank changing? ___________________ gallons per minute
B. How many more minutes will it take for the tank to drain completely? ___________________ minutes
C. How many minutes before Jada arrived was the water tank completely full? ___________________ minutes
Student:___________________________Test:Gr7U5RationalNumberDA211001-2018-19
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
StudentID
A B C D E 1.
A B C D E F2.
A B C D 3.
0 1 2 3 4.
0 1 2 5.
0 1 2 6.
0 1 2 7.
FormIdentifier--Donotmark
