Decimal Expansion

Decimal Expansion

8th Grade

15 Qs

quiz-placeholder

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Decimal Expansion

Decimal Expansion

Assessment

Quiz

Mathematics

8th Grade

Hard

CCSS
8.NS.A.1, 7.NS.A.2D

Standards-aligned

Created by

Anthony Clark

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the decimal expansion of 34/8?

4.125

4.25555...

4.25

0.25

Answer explanation

Media Image

When we divide 34/8 we get 4.25.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

State which of the following 25/8 or 123/210 will have a terminating decimal expansion.

25/8

123/210

Both

None

Answer explanation

25/8 =( 5 x5) / (2 x2 x2) = (5²) / (2³) Hence 25/8 will have a terminating decimal Expansion

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

State whether( 23) / (2³. 5⁴.7³) will have a terminating decimal expansion or a non-terminating repeating decimal expansion

Terminating

Non-terminating

Non-terminating Repeating

No Decimal expansion

Answer explanation

Since the denominator is not of the form 2ᵐ x 5ⁿ, and it also has 7 as its factor, the decimal expansion is non-terminating repeating.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Identify which of the following are rational numbers.. 6.75, 8.432432, 8.432467842….., 7/100,√5

6.75, 8.432432, 8.432467842…….

6.75, 8.432432 ,7/100

6.75, 8.432467842…..,√5

8.432467842….., 7/100,√5

Answer explanation

Terminating decimals and fractions with denominator of the 2ᵐ x 5ⁿ form are rational numbers

Tags

CCSS.8.NS.A.1

5.

OPEN ENDED QUESTION

1 min • 1 pt

Evaluate responses using AI:

OFF

Tags

CCSS.8.NS.A.1

6.

OPEN ENDED QUESTION

1 min • 1 pt

Write each fraction as a decimal. Write each decimal as a fraction.

Evaluate responses using AI:

OFF

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

7.

OPEN ENDED QUESTION

1 min • 1 pt

Write each fraction as a decimal.

Evaluate responses using AI:

OFF

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