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Open Up - Grade 8 - Mathematics - Unit 8 - Lesson 1

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Last updated 11 months ago
13 questions
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Question 1
1.

Find the area of each square. Each grid square represents 1 square unit.

Question 2
2.

Find the length of a side of a square if its area is:

81 square inches

Question 3
3.

Find the length of a side of a square if its area is:

\frac{4}{25} cm2

Question 4
4.

Find the length of a side of a square if its area is:

0.49 square units

Question 5
5.

Find the length of a side of a square if its area is:

m2 square units

Question 6
6.

Find the length of a side of a square if its area is:

3 inches

Question 7
7.

Find the length of a side of a square if its area is:

7 units

Question 8
8.

Find the length of a side of a square if its area is:

100 cm

Question 9
9.

Find the length of a side of a square if its area is:

40 inches

Question 10
10.

Find the length of a side of a square if its area is:

x units

Question 11
11.

Evaluate (3.1⋅10^{4})⋅(2⋅10^{6}). Choose the correct answer:

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?

Question 13
13.

Select all the expressions that are equivalent to 3^{8}.

"Source: Open Up Resouces (Download for free at openupresources.org.)"