أسئلة الرياضيات الصف الخامس مع الحل

15 سؤالاً تدريبياً في الرياضيات – الصف الخامس

1. الفصل: Divisibility by 3, 4 and 9 · سهل

   1. 704 is divisible by 4 because:

   • A. its digit sum is a multiple of 4
   • B. its last two digits (04) form a multiple of 4
   • C. it ends in an even digit
   • D. it is greater than 4
   أظهر الجواب ▾

   Answer: its last two digits (04) form a multiple of 4

   Explanation: Criterion for 4: the last two digits.

2. الفصل: Divisibility by 3, 4 and 9 · سهل

   2. 1 124 is divisible by 4 because:

   • A. its last two digits (24) form a multiple of 4
   • B. it ends in an even digit
   • C. it is greater than 4
   • D. its digit sum is a multiple of 4
   أظهر الجواب ▾

   Answer: its last two digits (24) form a multiple of 4

   Explanation: Criterion for 4: the last two digits.

3. الفصل: Common Multiples, Divisors and Common Divisors of Two Whole Numbers · سهل

   3. 17 is a prime number (exactly two divisors).

   • A. True
   • B. False
   أظهر الجواب ▾

   Answer: True

   Explanation: Divisors of 17: 1, 17 → prime.

4. الفصل: Common Multiples, Divisors and Common Divisors of Two Whole Numbers · سهل

   4. 13 is a prime number (exactly two divisors).

   • A. True
   • B. False
   أظهر الجواب ▾

   Answer: True

   Explanation: Divisors of 13: 1, 13 → prime.

5. الفصل: The Decimal Numeration System · سهل

   5. In 5 423.61, which digit is in the hundredths place?

   • A. 1
   • B. 10
   • C. 2
   • D. 3
   أظهر الجواب ▾

   Answer: 1

   Explanation: Places from the left: thousands 5, hundreds 4, tens 2, ones 3, tenths 6, hundredths 1.

6. الفصل: The Decimal Numeration System · سهل

   6. 100 hundredths = ?

   • A. 1 ten
   • B. 1 thousand
   • C. 1 tenth
   • D. 1 one
   أظهر الجواب ▾

   Answer: 1 one

   Explanation: Each place is worth 10 times the place to its right.

7. الفصل: Equality and Simplification of Fractions; Mixed Numbers · سهل

   7. To get 12/24 from 3/6, we:

   • A. add 4 to numerator and denominator
   • B. multiply only the numerator by 4
   • C. divide numerator and denominator by 4
   • D. multiply numerator and denominator by 4
   أظهر الجواب ▾

   Answer: multiply numerator and denominator by 4

   Explanation: Equal fractions: same multiplication of both terms.

8. الفصل: Equality and Simplification of Fractions; Mixed Numbers · سهل

   8. To get 6/16 from 3/8, we:

   • A. add 2 to numerator and denominator
   • B. multiply numerator and denominator by 2
   • C. multiply only the numerator by 2
   • D. divide numerator and denominator by 2
   أظهر الجواب ▾

   Answer: multiply numerator and denominator by 2

   Explanation: Equal fractions: same multiplication of both terms.

9. الفصل: Comparing and Representing Decimal Numbers · سهل

   9. Compare: 18.09 ___ 17.79

   • A. =
   • B. <
   • C. >
   أظهر الجواب ▾

   Answer: >

   Explanation: Compare whole parts, then tenths, then hundredths: 18.09 > 17.79.

10. الفصل: Comparing and Representing Decimal Numbers · سهل

    10. Compare: 5.27 ___ 5.25

    • A. =
    • B. >
    • C. <
    أظهر الجواب ▾

    Answer: >

    Explanation: Compare whole parts, then tenths, then hundredths: 5.27 > 5.25.

11. الفصل: Addition and Subtraction of Fractions · سهل

    11. 1/8 + 5/8 = ? (simplified)

    • A. 5/8
    • B. 7/8
    • C. 6/16
    • D. 3/4
    أظهر الجواب ▾

    Answer: 3/4

    Explanation: Same denominator: 6/8 = 3/4.

12. الفصل: Addition and Subtraction of Fractions · سهل

    12. What is the smallest common denominator for adding a fraction over 7 and a fraction over 10?

    • A. 10
    • B. 140
    • C. 70
    • D. 17
    أظهر الجواب ▾

    Answer: 70

    Explanation: Smallest common multiple of 7 and 10: 70.

13. الفصل: Adding and Subtracting Decimals with Several Decimal Places · سهل

    13. Before computing 4.5 − 0.328 in columns, how should 4.5 be written?

    • A. 4.5
    • B. 04.5
    • C. 4.500
    • D. 450
    أظهر الجواب ▾

    Answer: 4.500

    Explanation: Add zeros so both numbers have 3 decimal digits.

14. الفصل: Adding and Subtracting Decimals with Several Decimal Places · سهل

    14. Before computing 3.4 − 0.814 in columns, how should 3.4 be written?

    • A. 03.4
    • B. 3.400
    • C. 3.4
    • D. 340
    أظهر الجواب ▾

    Answer: 3.400

    Explanation: Add zeros so both numbers have 3 decimal digits.

15. الفصل: Multiplying Decimals; the Rule "Multiply by a Decimal"; Product of a Duration by a Whole Number · سهل

    15. Without calculating: is 1.6 × 0.1 smaller or greater than 1.6?

    • A. smaller
    • B. greater
    • C. equal
    أظهر الجواب ▾

    Answer: smaller

    Explanation: Multiplying by a number smaller than 1 gives a smaller result.

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