Open Up - Grade 8 - Mathematics - Unit 8 - Lesson 1
By Formative Library
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Last updated about 3 years ago
13 Questions
1 point
1
Question 1
1.
Find the area of each square. Each grid square represents 1 square unit.
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1 point
1
Question 2
2.
Find the length of a side of a square if its area is:
81 square inches
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1 point
1
Question 3
3.
Find the length of a side of a square if its area is:
\frac{4}{25} cm2
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1
Question 4
4.
Find the length of a side of a square if its area is:
0.49 square units
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1
Question 5
5.
Find the length of a side of a square if its area is:
m2 square units
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1 point
1
Question 6
6.
Find the length of a side of a square if its area is:
3 inches
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1
Question 7
7.
Find the length of a side of a square if its area is:
7 units
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1
Question 8
8.
Find the length of a side of a square if its area is:
100 cm
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1
Question 9
9.
Find the length of a side of a square if its area is:
40 inches
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1
Question 10
10.
Find the length of a side of a square if its area is:
x units
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1
Question 11
11.
Evaluate (3.1⋅10^{4})⋅(2⋅10^{6}). Choose the correct answer:
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Question 12
12.
Noah reads the problem, “Evaluate each expression, giving the answer in scientific notation.” The first problem part is: 5.4⋅10^{5}+2.3⋅10^{4}. Noah says, “I can rewrite 5.4⋅10^{5} as 54⋅10^{4}. Now I can add the numbers: 54⋅10^{4}+2.3⋅10^{4}-56.3⋅10^{4}.” Do you agree with Noah’s solution to the problem?
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1 point
1
Question 13
13.
Select all the expressions that are equivalent to 3^{8}.
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