7th grade math assesment

1. X + 4 = 29. What does x equal?

25

34

27

15

To find the value of x, we need to isolate it on one side of the equation. Subtracting 4 from both sides of the equation, we get x = 29 - 4, which simplifies to x = 25. Therefore, x equals 25.

Explanation

To find the value of x, we need to isolate it on one side of the equation. Subtracting 4 from both sides of the equation, we get x = 29 - 4, which simplifies to x = 25. Therefore, x equals 25.

2. What is 200 divided by 5

400

1000

40

10

The correct answer is 40 because when you divide 200 by 5, you are essentially splitting 200 into 5 equal parts. Each part would be 40.

Explanation

The correct answer is 40 because when you divide 200 by 5, you are essentially splitting 200 into 5 equal parts. Each part would be 40.

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5. What is the GCF greatest common factor of 25, 15,100 and 35?

The greatest common factor (GCF) is the largest number that evenly divides all the given numbers. In this case, the factors of 25 are 1, 5, and 25. The factors of 15 are 1, 3, 5, and 15. The factors of 100 are 1, 2, 4, 5, 10, 20, 25, 50, and 100. The factors of 35 are 1, 5, 7, and 35. The only number that is common to all four sets of factors is 5. Therefore, the GCF of 25, 15, 100, and 35 is 5.

Explanation

The greatest common factor (GCF) is the largest number that evenly divides all the given numbers. In this case, the factors of 25 are 1, 5, and 25. The factors of 15 are 1, 3, 5, and 15. The factors of 100 are 1, 2, 4, 5, 10, 20, 25, 50, and 100. The factors of 35 are 1, 5, 7, and 35. The only number that is common to all four sets of factors is 5. Therefore, the GCF of 25, 15, 100, and 35 is 5.

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6. How would you show .25 in a fraction completely reduced?

The decimal number .25 can be expressed as a fraction by placing the decimal value over a power of 10. In this case, .25 can be written as 25/100. To reduce this fraction completely, we can divide both the numerator and denominator by their greatest common divisor, which is 25. Dividing 25/100 by 25 gives us 1/4, which is the completely reduced fraction equivalent to .25.

Explanation

The decimal number .25 can be expressed as a fraction by placing the decimal value over a power of 10. In this case, .25 can be written as 25/100. To reduce this fraction completely, we can divide both the numerator and denominator by their greatest common divisor, which is 25. Dividing 25/100 by 25 gives us 1/4, which is the completely reduced fraction equivalent to .25.

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7. Order the fractions from least to greatest: 3/12, 1/8, 8/14,19/18, 6/144.

1/8. 3/12, 8/14, 6/144, 19/18

6/144, 1/8, 3/12, 8/14, 19/18

6/144, 19/18, 8/14, 3/12, 1/8

1/8, 3/12, 6/144, 8/14, 19/18

The fractions are ordered from least to greatest based on their decimal equivalents. To compare fractions with different denominators, we need to find a common denominator. In this case, the common denominator is 144. We convert each fraction to its equivalent with a denominator of 144 and then compare the numerators. The fractions with the smaller numerators are placed first, while the fractions with larger numerators are placed later. Therefore, the correct order from least to greatest is 6/144, 1/8, 3/12, 8/14, 19/18.

Explanation

The fractions are ordered from least to greatest based on their decimal equivalents. To compare fractions with different denominators, we need to find a common denominator. In this case, the common denominator is 144. We convert each fraction to its equivalent with a denominator of 144 and then compare the numerators. The fractions with the smaller numerators are placed first, while the fractions with larger numerators are placed later. Therefore, the correct order from least to greatest is 6/144, 1/8, 3/12, 8/14, 19/18.

8. How would you show 1/5 as a decimal?

2.0

5.0

.5

.2

To convert a fraction to a decimal, you divide the numerator (1) by the denominator (5). In this case, 1 divided by 5 equals 0.2. Therefore, 1/5 can be represented as the decimal .2.

Explanation

To convert a fraction to a decimal, you divide the numerator (1) by the denominator (5). In this case, 1 divided by 5 equals 0.2. Therefore, 1/5 can be represented as the decimal .2.

7th Grade Math Assesment