Step-3

Title: Evaluating Algebric Expressions

Grade: 6-b Lesson: S2-L5

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

Discussion: Step1 Step2 Step3 Step4 Step5

Lesson Steps

Step Type Explanation Answer

1

Problem

Evaluate the expression \$(1/2)"x" + 3 \$ when x = 8.

2

Step

The given the expression is

\$(1/2)"x" + 3 \$

3

Hint

The value of x is 8.

4

Step

Now plug the value of x in the expression

\$(1/2) \times 8 + 3 \$

5

Step

Multiply values, then combine with addition

\$(1/2) \times 8 + 3 \$

⇒ 4 + 3

⇒ 7

6

Step

So, the value of the expression \$(1/2)"x" + 3 \$ when x = 8 is 7.

7

Choice.A

The calculation yields 7, not 3, hence this answer is incorrect based on our computation

4

8

Choice.B

The answer is wrong; our calculation yielded 7, not 11, as expected

11

9

Choice.C

This answer is incorrect because by the calculation we got the result as 7 not 3

3

10

Choice.D

The answer is accurate; we obtained 7 as the result through our calculations

7

11

Answer

Option

D

12

Sumup

Can you summarize what you’ve understood in the above steps?

Discussion: Step1 Step2 Step3 Step4 Step5


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