Unit 4 Pre-Assessment

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CCSS.4.NF.A.2

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CCSS.4.NF.A.2

Answer explanation

The first situation calculates Elena's distance as half of Diego's 5 miles, resulting in 2.5 miles. The second situation totals Jada's water by multiplying 5 bottles by 0.5 liters each, giving 2.5 liters.

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CCSS.4.NF.B.4A

CCSS.4.NF.B.4B

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CCSS.4.NF.A.2

Division is the same as writing a

Answer explanation

Division can be expressed as a fraction, where the numerator is divided by the denominator. Therefore, the correct answer is 'fraction'.

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CCSS.5.NF.B.3

What is 3 ÷ 4?

Answer explanation

3 ÷ 4 equals 0.75. This is because dividing a smaller number (3) by a larger number (4) results in a fraction or decimal, specifically three-quarters of one.

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CCSS.5.NF.B.3

How do you multiply fractions? Write the steps below.

Answer explanation

To multiply fractions, follow these steps: 1. Multiply the numerators (top numbers) together. 2. Multiply the denominators (bottom numbers) together. 3. Simplify the resulting fraction if possible.

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CCSS.5.NF.B.6

Answer explanation

To compute \(\frac{5}{6} \cdot \frac{10}{11}\), multiply the numerators: 5 \cdot 10 = 50, and the denominators: 6 \cdot 11 = 66. Thus, \(\frac{50}{66}\) simplifies to \(\frac{25}{33}\). The answer is \(\frac{25}{33}\).

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CCSS.5.NF.B.6

How do you divide fractions? Write the steps below.

Answer explanation

To divide fractions, multiply the first fraction by the reciprocal of the second. Steps: 1) Flip the second fraction. 2) Multiply the numerators. 3) Multiply the denominators. 4) Simplify if necessary.

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CCSS.6.NS.A.1

Answer explanation

To compute 9 ÷ (1/4), multiply 9 by the reciprocal of 1/4, which is 4. Thus, 9 × 4 = 36. The answer is 36.

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CCSS.5.NF.B.7C

CCSS.5.NF.B.7B