Interactive multiple-choice quiz: الوحدة الرابعة - ريفيل: Operation with Rational Numbers
This assessment focuses on the conversion of rational numbers from fraction form to decimal notation. Students will practice identifying whether a resulting decimal is terminating or repeating. Understanding the representation of rational numbers is fundamental in middle school mathematics.
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اختبار شهادة تدريبي مؤقت للصف والمادة والفصل نفسه.
اختر إجابة واحدة لكل سؤال. عند الاختيار ستظهر النتيجة فورًا: الأخضر صحيح، والأحمر خطأ، وسيظهر تفسير الإجابة مباشرة إن كان متوفرًا. وبعد آخر سؤال ستظهر الدرجة النهائية تلقائيًا.
Write $-\frac{1}{25}$ as a decimal. Determine if the decimal is a terminating decimal.
Explanation
To convert $-\frac{1}{25}$ to a decimal, divide 1 by 25 and apply the negative sign. Since $1 \div 25 = 0.04$, the decimal is -0.04. Because the division terminates without a remainder, it is a terminating decimal.
Question 2
Points: 10
Write $-\frac{1}{25}$ as a decimal. Determine if the decimal is a terminating decimal.
Question 3
Points: 10
Write $\frac{5}{9}$ as a decimal. Determine if the decimal is a terminating decimal.
Question 4
Points: 10
During field day, a school held a long-jump contest. The six results are shown in the table. The teacher will award one ribbon to the longest jump by a 6th grader, one ribbon to the longest jump by a 7th grader, and a trophy for the longest jump overall. Who receives the ribbons and trophy?
Question 5
Points: 10
Write 5/8 as a decimal and classify it.
Question 6
Points: 10
Write -3/4 as a decimal and classify it.
Question 7
Points: 10
Write 2/9 as a decimal and classify it.
Question 8
Points: 10
Write -5/6 as a decimal and classify it.
Question 9
Points: 10
Write -4/5 as a decimal and classify it.
Question 10
Points: 10
Write 23/50 as a decimal and classify it.
Question 11
Points: 10
Write -9/22 as a decimal and classify it.
Question 12
Points: 10
Write 17/24 as a decimal and classify it.
Question 13
Points: 10
Write -1/33 as a decimal and classify it.
Question 14
Points: 10
Write -11/40 as a decimal and classify it.
Question 15
Points: 10
Write 7/32 as a decimal and classify it.
Question 16
Points: 10
Write -3/7 as a decimal and classify it.
Question 17
Points: 10
Find the additive inverse of -1/8.
Question 18
Points: 10
Zoey spent 12 on a video and25.82 on a poster. What was the total amount she spent?
Question 19
Points: 10
What is the additive inverse of Zoey's total spending of $37.82?
Question 20
Points: 10
Which situation offsets Zoey's spending of $37.82 so that her net change for the week is zero?
Question 21
Points: 10
Find -3 1/6 + (-2 5/6).
Question 22
Points: 10
Find -3 1/3 + 5 1/4.
Question 23
Points: 10
Find 2/5 + (-0.75).
Question 24
Points: 10
Find -1/6 + 0.20 + 2 5/9.
Question 25
Points: 10
A hot-air-balloon flight began at 98.1 meters above sea level. The table shows the altitude changes recorded every half hour. What was the balloon's altitude after two hours?
Question 26
Points: 10
A forest initially covered 472 7/10 acres. The table shows the change in its area during each of four years. What was its area after four years?
Question 27
Points: 10
Find the additive inverse of -1/2.
Question 28
Points: 10
Find the additive inverse of 0.25.
Question 29
Points: 10
Find the additive inverse of 9/10.
Question 30
Points: 10
Find the additive inverse of -0.4.
Question 31
Points: 10
Quinn earned 24.50 dog-sitting and12.70 for recycling cans. How much did he earn in total?
Question 32
Points: 10
Rachel spent 3.89 on a magazine and4.86 on a smoothie. How much did she spend in total?
Question 33
Points: 10
Find 3 5/6 + (-1 1/6).
Question 34
Points: 10
Find -13 1/4 + 4 1/4.
Question 35
Points: 10
Find -2/3 + 2 3/8.
Question 36
Points: 10
Find 2 1/2 + (-1/3).
Question 37
Points: 10
Find -3.7 + 1/4.
Question 38
Points: 10
Find -1 1/4 + 0.75 + 0.45.
Question 39
Points: 10
Find -0.25 + 3 1/6 + 2 1/12.
Question 40
Points: 10
Marlee began with 115 inches of wire. She used 25.75 inches for rings, received 30 1/4 more inches, then used 38 1/2 inches for bracelets and 60.2 inches for necklaces. How much wire remained?
Question 41
Points: 10
Find -4.2 - 3.57.
Question 42
Points: 10
Find 3 1/2 - (-1 3/10). Write the answer in simplest form.
Question 43
Points: 10
Evaluate x - y if x = 3 3/4 and y = -4.2.
Question 44
Points: 10
Find -2.45 - (-3.9).
Question 45
Points: 10
Find -4.6 - (-2.31).
Question 46
Points: 10
Find 5.47 - (-2.8).
Question 47
Points: 10
Find -6.2 - 3.79.
Question 48
Points: 10
Find 7 5/12 - (-3 3/4).
Question 49
Points: 10
Find 5 9/10 - (-8 2/5).
Question 50
Points: 10
Find -7/8 - 2 1/6.
Question 51
Points: 10
Find -8/15 - 3 4/5.
Question 52
Points: 10
Find -9 7/10 - (-4 3/5).
Question 53
Points: 10
Find 5/6 - (-3/4).
Question 54
Points: 10
Find -2/3 - (-1/2).
Question 55
Points: 10
Find -7/10 - (-4/15).
Question 56
Points: 10
Evaluate x - y if x = -5 1/4 and y = -6.8.
Question 57
Points: 10
Evaluate s - t if s = 1/4 and t = -1.75.
Question 58
Points: 10
Find (-7/8)(4/14).
Question 59
Points: 10
Find (-1 7/8)(-2 2/5). Write the answer in simplest form.
Question 60
Points: 10
Find -0.64(-1/4).
Question 61
Points: 10
Evaluate (2/3)xy if x = -3 1/6 and y = -5 1/4.
Question 62
Points: 10
Evaluate abc if a = -2.8, b = -2 1/7, and c = -3/13.
Question 63
Points: 10
Lena dove to a depth of -63.4 feet. On her second attempt her depth changed by 2/5 of the original depth. How deep was her second dive?
Question 64
Points: 10
Find (-1/2)(-4/5).
Question 65
Points: 10
Find (3/8)(-8/9).
Question 66
Points: 10
Find (-1/4)(-4/5).
Question 67
Points: 10
Find (1 4/9)(-2 4/7).
Question 68
Points: 10
Find (1 1/10)(-6 7/8).
Question 69
Points: 10
Find (-5 1/4)(-4 2/3).
Question 70
Points: 10
Find (-1/6)(2.4).
Question 71
Points: 10
Find (2/5)(-3.75).
Question 72
Points: 10
Find (-1/4)(-8.6).
Question 73
Points: 10
Evaluate (1/4)xy if x = -2/3 and y = 0.6.
Question 74
Points: 10
Evaluate -(4/5)xz if x = -2/3 and z = -1 7/8.
Question 75
Points: 10
Evaluate (1/2)yz if y = 0.6 and z = -1 7/8.
Question 76
Points: 10
Evaluate -xyz if x = -8.4, y = 0.25, and z = 3 4/5.
Question 77
Points: 10
Find -6/7 ÷ 12.
Question 78
Points: 10
Find -1 1/3 ÷ 2 2/15.
Question 79
Points: 10
Evaluate x/y if x = -6.85 and y = -2 2/5. Round to the nearest hundredth.
Question 80
Points: 10
The table shows the student council's profit over five weeks. What was the average weekly profit?
Question 81
Points: 10
Find -6/7 ÷ 3/14.
Question 82
Points: 10
Find -3/4 ÷ (-1/2).
Question 83
Points: 10
Find 2/3 ÷ (-4/9).
Question 84
Points: 10
Find 4/7 ÷ 8/9.
Question 85
Points: 10
Find 3/5 ÷ (-3/4).
Question 86
Points: 10
Find -5 3/4 ÷ 2 1/16.
Question 87
Points: 10
Find 7 1/2 ÷ (-2 5/6).
Question 88
Points: 10
Find 3 4/9 ÷ (-2 1/3).
Question 89
Points: 10
Find 2 2/3 ÷ (-1 1/6).
Question 90
Points: 10
Find -3 2/5 ÷ (-5 1/10).
Question 91
Points: 10
Find -5 1/4 ÷ 7/8.
Question 92
Points: 10
Find 8 1/3 ÷ (-5/9).
Question 93
Points: 10
Evaluate x/y if x = 4/5 and y = -0.1.
Question 94
Points: 10
Evaluate c/d if c = -4.75 and d = -1 1/4.
Question 95
Points: 10
Evaluate a + bc + d if a = -3.6, b = 2 4/5, c = -1/2, and d = 6 3/4.
Question 96
Points: 10
Evaluate x + y(0.4 + z) if x = -2.6, y = -1/2, and z = -5/8.
Question 97
Points: 10
A rectangular skate park is 31 1/3 yards wide and 24 2/3 yards long. Fencing is sold in 8-foot sections at $67.99 per section. How much will it cost to fence the entire park?
Question 98
Points: 10
Evaluate a/b - c + d if a = 7/8, b = -7/16, c = 0.8, and d = 1/4.
Question 99
Points: 10
Evaluate a + b + cd if a = 7/8, b = -7/16, c = 0.8, and d = 1/4.
Question 100
Points: 10
Evaluate c - a + b/d if a = 7/8, b = -7/16, c = 0.8, and d = 1/4.
Question 101
Points: 10
Evaluate b/a + c/d if a = 7/8, b = -7/16, c = 0.8, and d = 1/4.
Question 102
Points: 10
Evaluate d2 - b if b = -7/16 and d = 1/4.
Question 103
Points: 10
Evaluate a + b/c - d if a = 7/8, b = -7/16, c = 0.8, and d = 1/4.
Question 104
Points: 10
Evaluate (1/2)(a - b) + c if a = 7/10, b = 3/5, and c = -1.9.
Question 105
Points: 10
Evaluate 0.25(a + b) - d if a = 7/10, b = 3/5, and d = -1/5.
Question 106
Points: 10
Evaluate b + 0.2(c - d) if b = 3/5, c = -1.9, and d = -1/5.
Question 107
Points: 10
Evaluate (b + d) - a if a = 7/10, b = 3/5, and d = -1/5.
Question 108
Points: 10
Evaluate b2 + (1/10)(d - b) if b = 3/5 and d = -1/5.
Question 109
Points: 10
Evaluate b + c/d if b = 3/5, c = -1.9, and d = -1/5.
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