Step-4

Title: Adding signed numbers

Grade: 6-b Lesson: S1-L2

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

Addition of integers:
\$ (- 7) + (- 6) + 34 \$

2

Hint

The integers are

\$ - 7,- 6 and 34 \$

3

Formula:

Here we apply the rule of addition of positive and negative integers

\$ (+) + (-) = "use the sign of larger absolute value number" \$

4

Step

Let us add the positive and negative integers

\$ -7 + (- 6) + 34 \$

5

Step

After simpification

\$-7 - 6 + 34 \$

6

Step

After adding the positive and negative integers

\$+34 - 13 \$

7

Step

After adding

\$ 21 \$

8

Step

Therefore, the addition of integers is \$ 21 \$.

9

Choice.A

Incorrect: It inaccurately reflects the total of the given integers

15

10

Choice.B

Incorrect as it summed integers without regard for signs, resulting in (-7) + (- 6) + 34 ≠ 42

42

11

Choice.C

This representation is accurate as it precisely reflects the total of the given integers

21

12

Choice.D

Incorrect as it only presents the final number without executing the necessary addition calculation

34

13

Answer

Option

C

14

Sumup

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

Discussion: Step1 Step2 Step3 Step4 Step5


Copyright © 2020-2022 saibook.us Contact: info@saibook.us Version: 1.5 Built: 13-August-2024 09:20AM EST