حل تقييمات Math الأسبوع الرابع الصف الأول الإعدادي الترم الأول 2027

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حل تقييمات Math الأسبوع الرابع الصف الأول الإعدادي الترم الأول 2027

Group (A)

First: Choose the correct answer:

1. $-5 - (-3) = \dots\dots\dots\dots$

   • a) $2$

   • b) $-8$

   • c) $8$

   • d) $-2$ $\checkmark$

2. If $a = \vert{}-2\vert{}$, $b = -5$. What is the value of $ab$?

   • a) $10$

   • b) $7$

   • c) $-10$ $\checkmark$

   • d) $-7$

Second: Answer the following:

1. Use the addition properties in $\mathbb{Z}$ to find the result of: $(-10) + 2 + 10$

   • الحل:

     • Using Commutative & Associative properties:

     • $((-10) + 10) + 2$

     • $= 0 + 2 = 2$

     • Answer: $2$

2. If $a = 3$, $b = 8$, $c = -7$. Find in simplest form the value of the expression: $(2a + b) \div c$

   • الحل:

     • Step 1: $2a = 2 \times 3 = 6$

     • Step 2: $2a + b = 6 + 8 = 14$

     • Step 3: $14 \div (-7) = -2$

     • Answer: $-2$

3. If $A = 10$, $b = -5$. Find the result of:

   • (1) $\vert{}ab\vert{}$

     • $ab = 10 \times (-5) = -50$

     • $\vert{}-50\vert{} = 50$

   • (2) $\vert{}b + a\vert{}$

     • $b + a = -5 + 10 = 5$

     • $\vert{}5\vert{} = 5$

   • (3) $15 \div b$

     • $15 \div (-5) = -3$

Group (B)

First: Choose the correct answer:

1. $-7 - (-1) = \dots\dots\dots\dots$

   • a) $8$

   • b) $-8$

   • c) $6$

   • d) $-6$ $\checkmark$

2. If $a = \vert{}-4\vert{}$, $b = -3$. What is the value of $ab$?

   • a) $12$

   • b) $7$

   • c) $-12$ $\checkmark$

   • d) $-7$

Second: Answer the following:

1. Use the addition properties in $\mathbb{Z}$ to find the result of: $(-25) + 1 + 25$

   • الحل:

     • $((-25) + 25) + 1$

     • $= 0 + 1 = 1$

     • Answer: $1$

2. If $a = 2$, $b = 5$, $c = -2$. Find in simplest form the value of the expression: $(a + 2b) \div c$

   • الحل:

     • Step 1: $2b = 2 \times 5 = 10$

     • Step 2: $a + 2b = 2 + 10 = 12$

     • Step 3: $(a + 2b) \div c = 12 \div (-2) = -6$

     • Answer: $-6$

3. If $A = 15$, $b = -2$. Find the result of:

   • (1) $\vert{}ab\vert{}$

     • $ab = 15 \times (-2) = -30$

     • $\vert{}-30\vert{} = 30$

   • (2) $\vert{}b + a\vert{}$

     • $b + a = -2 + 15 = 13$

     • $\vert{}13\vert{} = 13$

   • (3) $12 \div b$

     • $12 \div (-2) = -6$

Group (C)

First: Choose the correct answer:

1. $-6 - (-1) = \dots\dots\dots\dots$

   • a) $5$

   • b) $-5$ $\checkmark$

   • c) $7$

   • d) $-7$

2. If $a = \vert{}-9\vert{}$, $b = -1$. What is the value of $ab$?

   • a) $10$

   • b) $9$

   • c) $-9$ $\checkmark$

   • d) $-10$

Second: Answer the following:

1. Use the addition properties in $\mathbb{Z}$ to find the result of: $(-17) + 3 + 17$

   • الحل:

     • Using associative property:

     • $[(-17) + 17] + 3$

     • $= 0 + 3 = 3$

     • Answer: $3$​​​​​​​