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Title: Determine the value of an expression

Grade: 7-a Lesson: S1-L8

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Step	Type	Explanation	Answer
1	Problem	Determine the value of an expression when c = 6.2 \$ 12c^2 - 256 \$
2	Hint	Substitute "c" value in the expression	\$ 12(6.2)^2 - 256 \$
3	Step	\$(6.2)^2 = 38.44 \$ then we get	\$ 12(38.44) - 256 \$
4	Step	simplyfying the terms	\$ 461.28 - 256 \$
5	Step	After Simplification	205.28
6		Answer	A

Step

Type

Explanation

Answer

Problem

Determine the value of an expression when c = 6.2
\$ 12c^2 - 256 \$

Hint

Substitute "c" value in the expression

\$ 12(6.2)^2 - 256 \$

Step

\$(6.2)^2 = 38.44 \$ then we get

\$ 12(38.44) - 256 \$

Step

simplyfying the terms

\$ 461.28 - 256 \$

Step

After Simplification

205.28

Answer

Tutor: Questions

Seq	Type	Question
1	Problem	What did you learn from this problem?
2	Clue	What did you learn from the clues?
3	Hint	What did you learn from the Hints?
4	Step	What did you learn from the Steps?
5	Step	How can we improve the Steps?

Seq

Type

Question

Audio

Problem

What did you learn from this problem?

Clue

What did you learn from the clues?

Hint

What did you learn from the Hints?

Step

What did you learn from the Steps?

Step

How can we improve the Steps?