Download ~ Answer Key ~ 5th Grade Unit 7 Checking Progress

5th
~ Answer Key ~
Grade Unit 7 Checking Progress
Complete the table
1.
Exponential Notation
44
53
64
Products of Factors
4 * 4 * 4 * 4
5*5*5
6 * 6 * 6 * 6
Standard Notation
256
125
1,296
7e. Understand and apply exponential notation.
2.
3-4
5-6
1
2
3
Complete the table.
Standard Notation
60,000
500,000
400,000
Scientific Notation
6 * 104
5 * 105
4 * 106
7a. Understand and apply scientific notation.
3.
0-2
1
2
3
1
2 3
Complete the following pattern.
10² = 10 * 10 = 100
10³ =
1,000
104 =
10 * 10 * 10 * 10
7b. Understand and apply powers of 10.
=
10,000
1
2
3
1
2 3
Using the rules of order of operations, circle the correct answer. (Because of the
rules of order of operations, some of the problems do not need parentheses.)
4.
a. 9 + (2 * 5) = 19
b. (9 + 2) * 5 = 19
5.
a. (12 + 8) ÷ 2 = 16
b. 12 + (8 ÷ 2) = 16
6.
a. (3 + 7) x 5 = 38
b. 3 + (7 x 5) = 38
7c. Understand and apply order of operations to evaluate
expressions and solve number sentences.
1
2
3
1
2 3
Put in the parentheses to make each equation true.
7.
(7 + 43) ÷ 5 = 10
8.
3 + (5 * (2 + 6)) = 43
9.
-2 + (3 x 4) = 10
OR
3 + 5 x (2 + 6) = 43
7g. Understand and apply the use of parentheses in
number sentences.
1
2
3
1
2 3
Solve.
10. (-9) + (-6) = -15
12. (-8) – (-5) =
11. 16 + (-5) =
11
-3
7d. Add and subtract positive and negative numbers.
1
2
3
1
2
3
Write >, <, or =.
13. -4
< 3
14. -12
<
-10
16. -8
= 5 + (-13)
17. –4 + (-4)
>
15. 37
-11
7h. Order and compare positive and negative
numbers.
>
-42
18. 12 + (-6)
>
1-2
3-4
5-6
1
2
3
19. Circle all of the true number sentences.
14 + 25 < 50
6x6
2 * 10³
21 + 39 = 60
11 * 11 * 11 = 33
19
7f. Identify number sentences. Tell whether a
number sentence is true or false.
0-2
3-4
5-6
1
2
3
-15
Level 4 Opportunities
7e., 7a. and 7b.
All must be correct – compare, <, >, =
73 ___<___ 6 x 102
100,000 ___<___ 8 x 105
103 ___>___ 252
7c.
Order of Operations
6 x (3 + 2)2 ÷ 2 = 75
7g.
Parentheses
36 + 18 ÷ (9 – 6) – 4 = 38
7d.
Add and subtract positive and negative numbers.
(9 + (-6)) – ((-4) + 2) = 5
7h.
Order and compare positive and negative numbers.
-5 + 20 ÷ 5 ___>___ -2 + 3 x 4
7f.
Give an example of a true number sentence and explain what makes a number
sentence.
SA