Lesson Example Discussion Quiz: Class Homework |
Step-3 |
Title: Evaluating Algebric Expressions |
Grade: 6-a Lesson: S2-L5 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
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? |
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